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RULES

  1. Introduction
  2. MA Structure
  3. General Competition Rules And Making Rule Changes
  4. Jurisdiction s
    1. 1.1 Definitions
    2. 1.2 Purpose of Rules
    3. 1.3 Repeal of Current Gcrs
    4. 1.4 by Laws
  5. Administration s
    1. 2.1 The Controlling Bodies
    2. 2.2 Sports Development Levy
    3. 2.3 Sports Development Account
    4. 2.4 Officials
  6. Licensing s
    1. 3.1 Licensing Requirements
    2. 3.2 Licensing General
    3. 3.3 Licensing Seniors
    4. 3.4 Licensing Juniors
    5. 3.5 Licensing Entrants
    6. 3.6 Licensing Speedway Mechanics
    7. 3.7 Licence Issuing And Renewals
    8. 3.8 Junior Coaching Program
  7. Competitions s
    1. 4.1 Venues
    2. 4.2 The Promotion And Conduct of Competitions
    3. 4.3 MA Events
    4. 4.4 Protocols
  8. Alternative Forms of Competition s
    1. 5.1 Alternative Activities
    2. 5.2 Venues Alternative Activities
    3. 5.3 Permits : Alternative Activities
    4. 5.4 Supplementary Regulations Alternative Activities
    5. 5.5 Licensing of Competitors Alternative Activities
    6. 5.6 Technical Specifications Alternative Activities
  9. Recreational Motorcycle Activity s
    1. 6.1 Purpose
    2. 6.2 Recreational Activities
    3. 6.3 Controlling Bodies Recreational Activities
    4. 6.4 Officials Recreational Activities
    5. 6.5 Venues Recreational Activities
    6. 6.6 The Promotion And Conduct of Recreational Activity
    7. 6.7 Permits Recreational Activities
    8. 6.8 Entries
    9. 6.9 Licensing of Participants
  10. Offences Protests And Appeals s
    1. 7.1 Offences
    2. 7.2 Protests
    3. 7.3 Appellate Bodies
    4. 7.4 Appeals
  11. Judicial Committee Guidelines s
    1. 8.1 MA Hearing Guidelines
  12. National Personal Accident Insurance s
    1. 12.1 Summary of Policy Coverage
    2. 12.2 Capital Benefits
    3. 12.3 Weekly Benefits
    4. 12.4 Definitions
  13. Road Racing s
    1. SECTION 13 A: AUSTRALIAN CHAMPIONSHIPS
    2. SECTION 13 B: COMPETITION CLASSES
    3. SECTION 13C: COMPETITION RULES
    4. SECTION 13 D: TECHNICAL REGULATIONS
    5. SECTION 13 E: TECHNICAL REGULATIONS: SOLO CLASSES
    6. SECTION 13 F: TECHNICAL REGULATIONS: SIDECARS
    7. SECTION 13 G: TECHNICAL REGULATIONS: JUNIOR CLASSES
    8. SECTION 13 H: MINIMOTO
  14. Historic Road Racing s
    1. SECTION 14 A: AUSTRALIAN CHAMPIONSHIPS
    2. SECTION 14 B: COMPETITION CLASSES
    3. SECTION 14 C: COMPETITION RULES
    4. SECTION 14 D: TECHNICAL REGULATIONS: GENERAL
    5. SECTION 14E: TECHNICAL REGULATIONS: PERIOD
  15. Motocross And Supercross s
    1. SECTION 15 A: AUSTRALIAN CHAMPIONSHIPS
    2. SECTION 15 B: COMPETITION CLASSES
    3. SECTION 15 C: COMPETITION RULES
    4. SECTION 15 D: TECHNICAL REGULATIONS
  16. Classic Motocross And Dirt Track s
    1. SECTION 16 A: AUSTRALIAN CHAMPIONSHIPS
    2. Section 16 B Competition Classes
    3. SECTION 16 C: COMPETITION RULES
    4. SECTION 16 D TECHNICAL REGULATIONS
  17. Enduro And Reliability Trials s
    1. SECTION 17A: AUSTRALIAN CHAMPIONSHIPS
    2. SECTION 17B: COMPETITION CLASSES
    3. SECTION 17C: COMPETITION RULES
    4. SECTION 17D: TECHNICAL REGULATIONS
    5. SECTION 17E: AUSTRALIAN FOUR-DAY ENDURO CHAMPIONSHIPS
  18. ATV s
    1. SECTION 18A: AUSTRALIAN CHAMPIONSHIPS
    2. SECTION 18B: COMPETITION CLASSES
    3. SECTION 18C: COMPETITION RULES
    4. SECTION 18D: TECHNICAL REGULATIONS
  19. Speedway s
    1. SECTION 19A: AUSTRALIAN CHAMPIONSHIPS
    2. SECTION 19B: AUSTRALIAN SPEEDWAY CHAMPIONSHIP
    3. SECTION 19C: AUSTRALIAN TEAM CHAMPIONSHIPS
    4. SECTION 19D: COMPETITION RULES
    5. SECTION 19E: TECHNICAL REGULATIONS
  20. Dirt Track s
    1. SECTION 20A: AUSTRALIAN CHAMPIONSHIPS
    2. SECTION 20B: COMPETITION CLASSES
    3. SECTION 20C: COMPETITION RULES
    4. SECTION 20D: TECHNICAL REGULATIONS
  21. Track s
    1. SECTION 21A: AUSTRALIAN CHAMPIONSHIPS
    2. SECTION 21B: COMPETITION CLASSES
    3. SECTION 21C: COMPETITION RULES
    4. SECTION 21D: TECHNICAL REGULATIONS
  22. Supermoto s
    1. SECTION 22A: AUSTRALIAN CHAMPIONSHIPS
    2. SECTION 22B: COMPETITION CLASSES
    3. Section 22c Competition Rules
    4. SECTION 22D: TECHNICAL REGULATIONS
  23. Trial s
    1. SECTION 23A: AUSTRALIAN CHAMPIONSHIP
    2. SECTION 23B: COMPETITION CLASSES
    3. SECTION 23C: COMPETITION RULES
    4. SECTION 23D: TECHNICAL REGULATIONS
    5. SECTION 23E: CLASS TECHNICAL REGULATIONS
  24. Minikhana s
    1. SECTION 24A: MINIKHANA CLASSES
    2. SECTION 24B: COMPETITION RULES
    3. SECTION 24C: TECHNICAL REGULATIONS
    4. SECTION 24D: MINIKHANA COURSES
  25. Policies s
    1. 25.1 Member Protection Policy
    2. 25.2 Anti-doping Policy
    3. 25.3 Anti Match-fixing Policy
    4. 25.4 Privacy Regulation
    5. 25.5 Occupational Health and Safety Policy
    6. 25.6 Environmental Sustainability Policy
    7. 25.7 National Team Selection Policy

Rules

SECTION 13 F: TECHNICAL REGULATIONS: SIDECARS


13.27 ALL CLASSES

13.27.1 Lanyards

13.27.1.1 A lanyard operated ignition cut-out switch, operating on the primary circuit, must be fitted to Road Race sidecars. The lanyard may be up to a maximum of one (1) metre in length.

13.27.2 Engine Capacity Tolerances

13.27.2.1 The actual engine capacity of a machine competing in a sidecar capacity class may not exceed the prescribed capacity, the engine capacity tolerance is 0%.

13.28 FORMULA ONE SIDECARS

13.28.1 Frames and Parts

13.28.1.1 The distance between the tracks left by the centre lines of the rear motorcycle wheel and the sidecar wheel must be at least 800mm, but not more than 1150mm.
13.28.1.2 The overall width of the motorcycle and sidecar, including exhausts must not exceed 1700mm.
13.28.1.3 The overall height of the motorcycle and sidecar must not exceed 800mm, but the airbox and the immediate bodywork over the airbox only may be a maximum of 950mm.
13.28.1.4 The overall length of the motorcycle and sidecar must not exceed 3300mm.
13.28.1.5 The wheelbase must not exceed 2300mm.
13.28.1.6 The minimum weight of the sidecar including passenger and rider at the completion of practice, qualifying or racing is 375 kg.
13.28.1.7 The ground clearance, measured at the lowest point of the motorcycle and sidecar, race-ready with rider and passenger on board and with the handlebars in the straight ahead position, must be not less than 65mm. After a race, a tolerance of -5mm is allowed. After a wet race this check is not performed.
13.28.1.8 Devices which reduce the ground clearance during the course of a race are not permitted.
13.28.1.9 Attachment points between motorcycle and sidecar:

  1. Must be not less than 4 if the sidecar is not integrated with the motorcycle,
  2. Must not allow movement at the joints,
  3. If the angle of inclination is changeable, must be secured by locking and not merely clamped.
13.28.1.10 The engine must be positioned:

  1. In such a way that the centre line of the engine must not exceed 160 mm beyond the centre line of the rear wheel of the motorcycle,
  2. In front of the rear wheel.
13.28.1.11 The drive must be transmitted to the ground only through the rear wheel.
13.28.1.12 The underside of the platform must be flat.
13.28.1.13 The lean of the motorcycle must not exceed 10 degrees from the vertical.
13.28.1.14 Banking sidecars are prohibited.
13.28.1.15 Machines must have a solid and effective protective barrier between the engine and the rider’s torso.
13.28.1.16 Stirrup fittings for the passenger’s feet are not permitted.
13.28.1.17 A suitable passenger hand-hold must be provided on the outer side of the rear wheel.
13.28.1.18 Hand-holds must:

  1. Be molded or positioned so as to prevent direct access by the rider or passenger to any moving parts of the machine, and
  2. Not project beyond the outer edge of the sidecar mudguard or bodywork.
13.28.1.19 Sidecars must be equipped with a rear-facing red lamp:

  1. Measuring a minimum of 35cm2 and a maximum of 100cm2,
  2. Fitted with LED lights, a 2.5 watt halogen bulb or a 10 watt conventional bulb,
  3. Installed at the rear of the main body and mounted above the driving wheel, at least 400mm above the ground,
  4. Visible at all times, and
  5. Switched on when the track is declared wet.

13.28.2 Sidecar Measurements

13.28.2.1 The passenger must be carried in a suitably constructed sidecar with minimum platform dimensions of 800mm x 300mm, measured at a height of 150mm above the platform.
13.28.2.2 The body must be forward of the centre line of the baseboard, a forward portion of which must have an area of 230mm high, 300mm wide and 300mm long with at least 25mm radius to all corners.
13.28.2.3 The maximum space between motorcycle and sidecar baseboard must be 50mm with the rider in a normal racing position.
13.28.2.4 The body must be covered in at the front end.
13.28.2.5 Where a fairing is fitted:

  1. The forward extremity of the streamlining must not be more than 400mm in front of the foremost part of the front tyre,
  2. The extreme rear edge of the streamlining must not be more than 400mm beyond the rear edge of the rear wheel,
  3. The rear wheel and sidecar wheel must be enclosed down to the level of the sidecar platform on the inside and to the top of the rim flange on the outside,
  4. Spoilers and other aerodynamic devices are authorised on condition they do not extend beyond the overall dimensions of the bodywork and are an integral part of the fairing and/or body. These shall not exceed neither the width of the fairing nor the height of the handlebars.

13.28.3 Oil Containment and Underside Protection

13.28.3.1 In case of an engine breakdown, an oil containment tray must be constructed directly below the engine to:

  1. Hold at least half of the total oil and engine coolant capacity of the engine (minimum 5 litres), and
  2. Protect the rear wheel from any possible oil spray.
13.28.3.2 The edges of the oil containment tray must be at least 50mm above the bottom of the tray.
13.28.3.3 The front of the oil containment tray must extend upward to the base of the barrel or assumed bottom of the barrel line if barrel is integral.
13.28.3.4 The underside of fuel tanks, engine casings and drain plugs must be protected from direct contact with the road surface by:

  1. Their location, or
  2. The fitting of an underpan, which must cover the area of the underside of the tank, case or plug.
13.28.3.5 Where a guard or underpan is used it must be constructed of:

  1. Steel, which must have wired or rolled edges, and a minimum thickness of 1.6mm, or
  2. Aluminium which must have wired or rolled edges, and with a minimum thickness of 3mm, or
  3. Fibreglass which must have edges rounded and smoothed and with a minimum thickness of 3mm.
13.28.3.6 Oil cooler(s) and oil tanks must be mounted below the main body, in a crash secure position.
13.28.3.7 The fuel tank breather pipe must be fitted with a non-return valve and must discharge into a catch tank with a minimum capacity of 500cc.
13.28.3.8 Any oil breather pipe fitted must discharge into a catch tank:

  1. With a minimum capacity of 2 litres,
  2. Which is located in an easily accessible position,
  3. Which must be empty before the start of each meeting.
13.28.3.9 All fuel and oil lines must be of an approved type with high-pressure fittings.

13.28.4 Brakes

13.28.4.1 Brakes must:

  1. Have at least two circuits operating independently, one of which must operate the sidecar and rear wheel, the other must operate the front wheel,
  2. Be designed so that if one circuit fails, the other works efficiently.
13.28.4.2 Carbon brakes are not permitted.

13.28.5 Rider’s Seat

13.28.5.1 In the normal riding position, the rider’s feet must be positioned behind the knees.
13.28.5.2 The rider’s seat must be a minimum of 150mm above ground level, and a minimum of 200mm width.
13.28.5.3 Notwithstanding the provisions of the preceding two sub-Rules, “feet forward” sidecars constructed before the 1st January 1998:

  1. May compete below State Championship level,
  2. Must be registered with MA.

13.28.6 Steering

13.28.6.1 Steering must be to the front wheel only, and may be by direct or indirect linkage.
13.28.6.2 The motorcycle must be steered by handlebars.
13.28.6.3 The handlebar extremities must not be:

  1. Lower than the front wheel axle, nor
  2. More than 500mm behind the front wheel axle.
13.28.6.4 Whatever the position of the handlebars, there must be a space of at least 20mm between the streamlining and the ends of the handlebars or other steering systems including any attachments thereto.
13.28.6.5 The steering axis must not be offset more than 75mm from the motorcycle front wheel centre line.

13.28.7 Engine and Gearbox

13.28.7.1 Engines in Formula One must comply with the following:

  1. 4-strokes (maximum four (4) cylinders) up to 1000cc maximum,
  2. Engines must be commercially manufactured and readily available to the public,
  3. Bore and stroke must be as specified by engine manufacturer,
  4. Increasing the bore size to reach class limits is not allowed,
13.28.7.2 The following may be altered or replaced:

  1. The original cylinder head, but the number of ports must remain as originally produced by the manufacturer,
  2. Camshaft, but method of cam drive must remain as originally produced by the manufacturer,
  3. Pistons, rings and pins,
  4. Conrods, however titanium or carbon rods are not permitted,
  5. The ignition system, but maximum revs are restricted to 13,000rpm,
  6. Carburettors,
  7. Crankshaft by lightening and balancing,
  8. Clutch basket, clutch plates, springs and hub,
  9. Sump, oilpan and oil pump.
  10. Oil lines containing positive pressure, but must be of metal reinforced construction with swaged or threaded connectors.
13.28.7.3 The gearbox must have no more than six (6) gear ratios.
13.28.7.4 The following are permitted if originally fitted by the manufacturer:

  1. Dry clutch,
  2. Fuel injection. Throttle bodies must be as originally produced by engine manufacturer,
  3. Vacuum slides may be removed or fixed in the open position,
  4. Secondary throttle valves and shafts may be removed or fixed in the open position and the electronics may be disconnected or removed.

13.29 FORMULA TWO SIDECARS

13.29.1 Frame and Parts

13.29.1.1 The minimum weight (without fuel) is 136.5kg.
13.29.1.2 The maximum overall width is 1,700mm.
13.29.1.3 The maximum overall height is 800mm.
13.29.1.4 The maximum wheelbase is 1,651mm.
13.29.1.5 Track, as measured from the centre of the rear wheel to the centre of the sidecar wheel shall be:

  1. Maximum of 1100mm,
  2. Minimum of 800mm.
13.29.1.6 The ground clearance, measured at the lowest point of the motorcycle and sidecar, with the handlebars in the straight ahead position must be not less than 65mm.
13.29.1.7 The forward extremity of the streamlining must not be more than 400mm in front of the foremost part of the front tyre.
13.29.1.8 The extreme rear edge of the streamlining must not be more than 400mm to the rear extreme edge of the rear tyre.
13.29.1.9 At all positions of the handlebars, there must be a minimum space of 20mm between the ends of the handlebars and all other parts of the machine.
13.29.1.10 The passenger platform must be at least 800mm long and 300mm wide, measured 150mm above the platform.
13.29.1.11 Hinged sidecars and steerable sidecar wheels are not permitted.
13.29.1.12 The rider and passenger must not be attached to the machine or in any way restrained from separating from the machine.
13.29.1.13 Glass rear view mirrors are not permitted.
13.29.1.14 Reinforcement of the steering head is allowed to a maximum of 225mm from the centre line of the steering head.
13.29.1.15 Monocoque construction is not permitted.
13.29.1.16 The frame tubing must be of good quality steel tube, with a maximum diameter of 100mm at the broadest point.
13.29.1.17 Composite construction may only be used in the sidecar platform.
13.29.1.18 Titanium may not be used in the construction of the frame, front forks, handlebars, swinging arm and wheel axles.
13.29.1.19 Light alloys may not be used for wheel axles.
13.29.1.20 The streamlining must be easily detachable for scrutineering.
13.29.1.21 Aerofoil’s or spoilers on streamlining are not permitted.
13.29.1.22 A solid and effective protection must be fitted between the driver and the engine, so as to prevent:

  1. Direct contact between the rider’s body or clothing,
  2. Escaping flames or leaking fuel or oil.
13.29.1.23 The rider’s seat must be at least 200mm long and 150mm wide and be fitted at least 150mm above the sidecar platform.
13.29.1.24 Cooling air intakes must have no forward projection or protrusion.
13.29.1.25 The battery must be covered such that neither the driver nor the passenger can come into contact with the battery or its contents.
13.29.1.26 Sidecars must be equipped with a rear-facing red lamp:

  1. Measuring a minimum of 35cm2 and a maximum of 100cm2,
  2. Fitted with LED lights, a 2.5 watt halogen bulb or a 10 watt conventional bulb,
  3. Installed at the rear of the main body and mounted above the driving wheel, at least 400mm above the ground,
  4. Visible at all times, and
  5. Switched on when the track is declared wet.

13.29.2 Oil Containment and Underside Protection

13.29.2.1 In case of an engine breakdown, an oil containment tray must be constructed directly below the engine to:

  1. Hold at least half of the total oil and engine coolant capacity of the engine (minimum 5 litres), and
  2. Protect the rear wheel from any possible oil spray.
13.29.2.2 The edges of the oil containment tray must be at least 50mm above the bottom of the tray.
13.29.2.3 The front of the oil containment tray must extend upward to the base of the barrel or assumed bottom of the barrel line if barrel is integral.
13.29.2.4 The fuel tank must be independently protected from the ground.
13.29.2.5 The fuel tank breather pipe must be fitted with a non-return valve and must discharge into a catch tank with a minimum capacity of 500cc.
13.29.2.6 The fuel filler cap must be in such a position that it does not protrude from the fairing and cannot be torn off in a crash.
13.29.2.7 Any oil breather pipe fitted must discharge into a catch tank:

  1. With a minimum capacity of 500ml,
  2. Which is located in an easily accessible position,
  3. Which must be empty before the start of each meeting.

13.29.3 Wheels, Suspension and Brakes

13.29.3.1 Hub centre steering, remote steering linkages and the use of articulated joints in the steering mechanism are not permitted.
13.29.3.2 The minimum diameter of an inflated tyre must be 400mm.
13.29.3.3 All wheels must be of metal construction and unmodified from original manufacture.
13.29.3.4 The front suspension must be either a leading or trailing fork, or links with the wheel equally supported on each side.
13.29.3.5 The rear suspension must be of the swinging arm type and may be single sided.
13.29.3.6 Minimum suspension travel must be 20mm.
13.29.3.7 A sidecar must have a brake system which must consist of:

  1. one main system with at least two (2) circuits operating separately, one of which must operate on at least two (2) of the three (3) wheels,
  2. An emergency system operated by a handlebar lever with a simple circuit operating on either the front or rear wheel of the motorcycle.
13.29.3.8 The rear mudguard must cover at least 240° of the rear wheel on the side nearest to the sidecar wheel.
13.29.3.9 The rear driving wheel must be covered down to the level of the sidecar platform and around the periphery.
13.29.3.10 The sidecar wheel must be enclosed from the sidecar platform and level with the sidecar platform on the outside and around the periphery.

13.29.4 Steering and Control Levers

13.29.4.1 Handlebar levers must:

  1. Have ball ends attached with a minimum diameter of 19mm,
  2. Measure no more than 200mm from the fulcrum to the extremity of the ball.
13.29.4.2 Handlebar grips must be:

  1. Attached to the end of the handlebars,
  2. No longer than 150mm.
13.29.4.3 Handlebars must;

  1. Be above the mid-point of the riders seat,
  2. Be 450mm wide,
  3. Be located on the sprung portion of the front suspension,
  4. Not touch any part of the streamlining, regardless of the position of the bars.
13.29.4.4 All controls must be independently mounted.
13.29.4.5 Steering of the front wheel must be by non-adjustable handlebars fixed directly to the steering head of the motorcycle.
13.29.4.6 The front wheel axle must support the machine equally on each side of the wheel.
13.29.4.7 Steering lock angle each side of straight ahead position and measured horizontally at ground level must be a minimum of 20°.
13.29.4.8 Handlebar clamps must be radiused and engineered so as to avoid fracture points in the bar.
13.29.4.9 The steering head centre may be offset no more than 75mm from the centre line of the rear wheel.

13.29.5 Rider and Passenger

13.29.5.1 The rider seated in the normal driving position must be completely visible, with the exception of the rider’s forearms, from the side opposite the sidecar and from above.
13.29.5.2 The rider’s position, regardless of whether a driving seat is fitted, must be such that the rider’s feet are positioned behind the knees.
13.29.5.3 The passenger must be able to lean out to either side of the sidecar and for this purpose the vehicle must be fitted with suitable closed loop type hand holds.

13.29.6 Engine and Gearbox

13.29.6.1 Subject to the required and permitted alterations set out below, Formula Two Sidecars must be fitted with a 4-stroke engine:

  1. For two cylinder engines, with an engine capacity of no more than 1,000cc,
  2. For three cylinder engines, an engine capacity of no more than 675cc,
  3. For four cylinder engines, with an engine capacity of no more than 600cc.
13.29.6.2 The engine must be positioned such that the lateral centre line of the engine must not be more than 160mm beyond the centre line of the rear wheel of the motorcycle.
13.29.6.3 The engine must be positioned behind the steering head and in front of the driver.
13.29.6.4 Throttle controls must be self-closing.
13.29.6.5 The drive must be transmitted through the rear wheel.
13.29.6.6 Exhaust fumes must be discharged towards the rear but not so as to raise dust, foul the tyres or brakes or inconvenience a passenger or any other rider.
13.29.6.7 The furthest extremity of the exhaust pipe must not exceed a vertical line drawn at a tangent to the rear edge of the sidecar platform.
13.29.6.8 On the side opposite the sidecar, the exhaust pipes must not extend beyond the streamlining.
13.29.6.9 On the other side, the exhaust pipe must not extend beyond the width of the sidecar.
13.29.6.10 Exhaust pipes must be fitted and positioned so as to prevent entanglement with other machines.
13.29.6.11 The gearbox must have no more than six gear ratios.

SECTION 13 F: TECHNICAL REGULATIONS: SIDECARS


13.27 ALL CLASSES

13.27.1 Lanyards

13.27.1.1 A lanyard operated ignition cut-out switch, operating on the primary circuit, must be fitted to Road Race sidecars. The lanyard may be up to a maximum of one (1) metre in length.

13.27.2 Engine Capacity Tolerances

13.27.2.1 The actual engine capacity of a machine competing in a sidecar capacity class may not exceed the prescribed capacity, the engine capacity tolerance is 0%.

13.28 FORMULA ONE SIDECARS

13.28.1 Frames and Parts

13.28.1.1 The distance between the tracks left by the centre lines of the rear motorcycle wheel and the sidecar wheel must be at least 800mm, but not more than 1150mm.
13.28.1.2 The overall width of the motorcycle and sidecar, including exhausts must not exceed 1700mm.
13.28.1.3 The overall height of the motorcycle and sidecar must not exceed 800mm, but the airbox and the immediate bodywork over the airbox only may be a maximum of 950mm.
13.28.1.4 The overall length of the motorcycle and sidecar must not exceed 3300mm.
13.28.1.5 The wheelbase must not exceed 2300mm.
13.28.1.6 The minimum weight of the sidecar including passenger and rider at the completion of practice, qualifying or racing is 375 kg.
13.28.1.7 The ground clearance, measured at the lowest point of the motorcycle and sidecar, race-ready with rider and passenger on board and with the handlebars in the straight ahead position, must be not less than 65mm. After a race, a tolerance of -5mm is allowed. After a wet race this check is not performed.
13.28.1.8 Devices which reduce the ground clearance during the course of a race are not permitted.
13.28.1.9 Attachment points between motorcycle and sidecar:

  1. Must be not less than 4 if the sidecar is not integrated with the motorcycle,
  2. Must not allow movement at the joints,
  3. If the angle of inclination is changeable, must be secured by locking and not merely clamped.
13.28.1.10 The engine must be positioned:

  1. In such a way that the centre line of the engine must not exceed 160 mm beyond the centre line of the rear wheel of the motorcycle,
  2. In front of the rear wheel.
13.28.1.11 The drive must be transmitted to the ground only through the rear wheel.
13.28.1.12 The underside of the platform must be flat.
13.28.1.13 The lean of the motorcycle must not exceed 10 degrees from the vertical.
13.28.1.14 Banking sidecars are prohibited.
13.28.1.15 Machines must have a solid and effective protective barrier between the engine and the rider’s torso.
13.28.1.16 Stirrup fittings for the passenger’s feet are not permitted.
13.28.1.17 A suitable passenger hand-hold must be provided on the outer side of the rear wheel.
13.28.1.18 Hand-holds must:

  1. Be molded or positioned so as to prevent direct access by the rider or passenger to any moving parts of the machine, and
  2. Not project beyond the outer edge of the sidecar mudguard or bodywork.
13.28.1.19 Sidecars must be equipped with a rear-facing red lamp:

  1. Measuring a minimum of 35cm2 and a maximum of 100cm2,
  2. Fitted with LED lights, a 2.5 watt halogen bulb or a 10 watt conventional bulb,
  3. Installed at the rear of the main body and mounted above the driving wheel, at least 400mm above the ground,
  4. Visible at all times, and
  5. Switched on when the track is declared wet.

13.28.2 Sidecar Measurements

13.28.2.1 The passenger must be carried in a suitably constructed sidecar with minimum platform dimensions of 800mm x 300mm, measured at a height of 150mm above the platform.
13.28.2.2 The body must be forward of the centre line of the baseboard, a forward portion of which must have an area of 230mm high, 300mm wide and 300mm long with at least 25mm radius to all corners.
13.28.2.3 The maximum space between motorcycle and sidecar baseboard must be 50mm with the rider in a normal racing position.
13.28.2.4 The body must be covered in at the front end.
13.28.2.5 Where a fairing is fitted:

  1. The forward extremity of the streamlining must not be more than 400mm in front of the foremost part of the front tyre,
  2. The extreme rear edge of the streamlining must not be more than 400mm beyond the rear edge of the rear wheel,
  3. The rear wheel and sidecar wheel must be enclosed down to the level of the sidecar platform on the inside and to the top of the rim flange on the outside,
  4. Spoilers and other aerodynamic devices are authorised on condition they do not extend beyond the overall dimensions of the bodywork and are an integral part of the fairing and/or body. These shall not exceed neither the width of the fairing nor the height of the handlebars.

13.28.3 Oil Containment and Underside Protection

13.28.3.1 In case of an engine breakdown, an oil containment tray must be constructed directly below the engine to:

  1. Hold at least half of the total oil and engine coolant capacity of the engine (minimum 5 litres), and
  2. Protect the rear wheel from any possible oil spray.
13.28.3.2 The edges of the oil containment tray must be at least 50mm above the bottom of the tray.
13.28.3.3 The front of the oil containment tray must extend upward to the base of the barrel or assumed bottom of the barrel line if barrel is integral.
13.28.3.4 The underside of fuel tanks, engine casings and drain plugs must be protected from direct contact with the road surface by:

  1. Their location, or
  2. The fitting of an underpan, which must cover the area of the underside of the tank, case or plug.
13.28.3.5 Where a guard or underpan is used it must be constructed of:

  1. Steel, which must have wired or rolled edges, and a minimum thickness of 1.6mm, or
  2. Aluminium which must have wired or rolled edges, and with a minimum thickness of 3mm, or
  3. Fibreglass which must have edges rounded and smoothed and with a minimum thickness of 3mm.
13.28.3.6 Oil cooler(s) and oil tanks must be mounted below the main body, in a crash secure position.
13.28.3.7 The fuel tank breather pipe must be fitted with a non-return valve and must discharge into a catch tank with a minimum capacity of 500cc.
13.28.3.8 Any oil breather pipe fitted must discharge into a catch tank:

  1. With a minimum capacity of 2 litres,
  2. Which is located in an easily accessible position,
  3. Which must be empty before the start of each meeting.
13.28.3.9 All fuel and oil lines must be of an approved type with high-pressure fittings.

13.28.4 Brakes

13.28.4.1 Brakes must:

  1. Have at least two circuits operating independently, one of which must operate the sidecar and rear wheel, the other must operate the front wheel,
  2. Be designed so that if one circuit fails, the other works efficiently.
13.28.4.2 Carbon brakes are not permitted.

13.28.5 Rider’s Seat

13.28.5.1 In the normal riding position, the rider’s feet must be positioned behind the knees.
13.28.5.2 The rider’s seat must be a minimum of 150mm above ground level, and a minimum of 200mm width.
13.28.5.3 Notwithstanding the provisions of the preceding two sub-Rules, “feet forward” sidecars constructed before the 1st January 1998:

  1. May compete below State Championship level,
  2. Must be registered with MA.

13.28.6 Steering

13.28.6.1 Steering must be to the front wheel only, and may be by direct or indirect linkage.
13.28.6.2 The motorcycle must be steered by handlebars.
13.28.6.3 The handlebar extremities must not be:

  1. Lower than the front wheel axle, nor
  2. More than 500mm behind the front wheel axle.
13.28.6.4 Whatever the position of the handlebars, there must be a space of at least 20mm between the streamlining and the ends of the handlebars or other steering systems including any attachments thereto.
13.28.6.5 The steering axis must not be offset more than 75mm from the motorcycle front wheel centre line.

13.28.7 Engine and Gearbox

13.28.7.1 Engines in Formula One must comply with the following:

  1. 4-strokes (maximum four (4) cylinders) up to 1000cc maximum,
  2. Engines must be commercially manufactured and readily available to the public,
  3. Bore and stroke must be as specified by engine manufacturer,
  4. Increasing the bore size to reach class limits is not allowed,
13.28.7.2 The following may be altered or replaced:

  1. The original cylinder head, but the number of ports must remain as originally produced by the manufacturer,
  2. Camshaft, but method of cam drive must remain as originally produced by the manufacturer,
  3. Pistons, rings and pins,
  4. Conrods, however titanium or carbon rods are not permitted,
  5. The ignition system, but maximum revs are restricted to 13,000rpm,
  6. Carburettors,
  7. Crankshaft by lightening and balancing,
  8. Clutch basket, clutch plates, springs and hub,
  9. Sump, oilpan and oil pump.
  10. Oil lines containing positive pressure, but must be of metal reinforced construction with swaged or threaded connectors.
13.28.7.3 The gearbox must have no more than six (6) gear ratios.
13.28.7.4 The following are permitted if originally fitted by the manufacturer:

  1. Dry clutch,
  2. Fuel injection. Throttle bodies must be as originally produced by engine manufacturer,
  3. Vacuum slides may be removed or fixed in the open position,
  4. Secondary throttle valves and shafts may be removed or fixed in the open position and the electronics may be disconnected or removed.

13.29 FORMULA TWO SIDECARS

13.29.1 Frame and Parts

13.29.1.1 The minimum weight (without fuel) is 136.5kg.
13.29.1.2 The maximum overall width is 1,700mm.
13.29.1.3 The maximum overall height is 800mm.
13.29.1.4 The maximum wheelbase is 1,651mm.
13.29.1.5 Track, as measured from the centre of the rear wheel to the centre of the sidecar wheel shall be:

  1. Maximum of 1100mm,
  2. Minimum of 800mm.
13.29.1.6 The ground clearance, measured at the lowest point of the motorcycle and sidecar, with the handlebars in the straight ahead position must be not less than 65mm.
13.29.1.7 The forward extremity of the streamlining must not be more than 400mm in front of the foremost part of the front tyre.
13.29.1.8 The extreme rear edge of the streamlining must not be more than 400mm to the rear extreme edge of the rear tyre.
13.29.1.9 At all positions of the handlebars, there must be a minimum space of 20mm between the ends of the handlebars and all other parts of the machine.
13.29.1.10 The passenger platform must be at least 800mm long and 300mm wide, measured 150mm above the platform.
13.29.1.11 Hinged sidecars and steerable sidecar wheels are not permitted.
13.29.1.12 The rider and passenger must not be attached to the machine or in any way restrained from separating from the machine.
13.29.1.13 Glass rear view mirrors are not permitted.
13.29.1.14 Reinforcement of the steering head is allowed to a maximum of 225mm from the centre line of the steering head.
13.29.1.15 Monocoque construction is not permitted.
13.29.1.16 The frame tubing must be of good quality steel tube, with a maximum diameter of 100mm at the broadest point.
13.29.1.17 Composite construction may only be used in the sidecar platform.
13.29.1.18 Titanium may not be used in the construction of the frame, front forks, handlebars, swinging arm and wheel axles.
13.29.1.19 Light alloys may not be used for wheel axles.
13.29.1.20 The streamlining must be easily detachable for scrutineering.
13.29.1.21 Aerofoil’s or spoilers on streamlining are not permitted.
13.29.1.22 A solid and effective protection must be fitted between the driver and the engine, so as to prevent:

  1. Direct contact between the rider’s body or clothing,
  2. Escaping flames or leaking fuel or oil.
13.29.1.23 The rider’s seat must be at least 200mm long and 150mm wide and be fitted at least 150mm above the sidecar platform.
13.29.1.24 Cooling air intakes must have no forward projection or protrusion.
13.29.1.25 The battery must be covered such that neither the driver nor the passenger can come into contact with the battery or its contents.
13.29.1.26 Sidecars must be equipped with a rear-facing red lamp:

  1. Measuring a minimum of 35cm2 and a maximum of 100cm2,
  2. Fitted with LED lights, a 2.5 watt halogen bulb or a 10 watt conventional bulb,
  3. Installed at the rear of the main body and mounted above the driving wheel, at least 400mm above the ground,
  4. Visible at all times, and
  5. Switched on when the track is declared wet.

13.29.2 Oil Containment and Underside Protection

13.29.2.1 In case of an engine breakdown, an oil containment tray must be constructed directly below the engine to:

  1. Hold at least half of the total oil and engine coolant capacity of the engine (minimum 5 litres), and
  2. Protect the rear wheel from any possible oil spray.
13.29.2.2 The edges of the oil containment tray must be at least 50mm above the bottom of the tray.
13.29.2.3 The front of the oil containment tray must extend upward to the base of the barrel or assumed bottom of the barrel line if barrel is integral.
13.29.2.4 The fuel tank must be independently protected from the ground.
13.29.2.5 The fuel tank breather pipe must be fitted with a non-return valve and must discharge into a catch tank with a minimum capacity of 500cc.
13.29.2.6 The fuel filler cap must be in such a position that it does not protrude from the fairing and cannot be torn off in a crash.
13.29.2.7 Any oil breather pipe fitted must discharge into a catch tank:

  1. With a minimum capacity of 500ml,
  2. Which is located in an easily accessible position,
  3. Which must be empty before the start of each meeting.

13.29.3 Wheels, Suspension and Brakes

13.29.3.1 Hub centre steering, remote steering linkages and the use of articulated joints in the steering mechanism are not permitted.
13.29.3.2 The minimum diameter of an inflated tyre must be 400mm.
13.29.3.3 All wheels must be of metal construction and unmodified from original manufacture.
13.29.3.4 The front suspension must be either a leading or trailing fork, or links with the wheel equally supported on each side.
13.29.3.5 The rear suspension must be of the swinging arm type and may be single sided.
13.29.3.6 Minimum suspension travel must be 20mm.
13.29.3.7 A sidecar must have a brake system which must consist of:

  1. one main system with at least two (2) circuits operating separately, one of which must operate on at least two (2) of the three (3) wheels,
  2. An emergency system operated by a handlebar lever with a simple circuit operating on either the front or rear wheel of the motorcycle.
13.29.3.8 The rear mudguard must cover at least 240° of the rear wheel on the side nearest to the sidecar wheel.
13.29.3.9 The rear driving wheel must be covered down to the level of the sidecar platform and around the periphery.
13.29.3.10 The sidecar wheel must be enclosed from the sidecar platform and level with the sidecar platform on the outside and around the periphery.

13.29.4 Steering and Control Levers

13.29.4.1 Handlebar levers must:

  1. Have ball ends attached with a minimum diameter of 19mm,
  2. Measure no more than 200mm from the fulcrum to the extremity of the ball.
13.29.4.2 Handlebar grips must be:

  1. Attached to the end of the handlebars,
  2. No longer than 150mm.
13.29.4.3 Handlebars must;

  1. Be above the mid-point of the riders seat,
  2. Be 450mm wide,
  3. Be located on the sprung portion of the front suspension,
  4. Not touch any part of the streamlining, regardless of the position of the bars.
13.29.4.4 All controls must be independently mounted.
13.29.4.5 Steering of the front wheel must be by non-adjustable handlebars fixed directly to the steering head of the motorcycle.
13.29.4.6 The front wheel axle must support the machine equally on each side of the wheel.
13.29.4.7 Steering lock angle each side of straight ahead position and measured horizontally at ground level must be a minimum of 20°.
13.29.4.8 Handlebar clamps must be radiused and engineered so as to avoid fracture points in the bar.
13.29.4.9 The steering head centre may be offset no more than 75mm from the centre line of the rear wheel.

13.29.5 Rider and Passenger

13.29.5.1 The rider seated in the normal driving position must be completely visible, with the exception of the rider’s forearms, from the side opposite the sidecar and from above.
13.29.5.2 The rider’s position, regardless of whether a driving seat is fitted, must be such that the rider’s feet are positioned behind the knees.
13.29.5.3 The passenger must be able to lean out to either side of the sidecar and for this purpose the vehicle must be fitted with suitable closed loop type hand holds.

13.29.6 Engine and Gearbox

13.29.6.1 Subject to the required and permitted alterations set out below, Formula Two Sidecars must be fitted with a 4-stroke engine:

  1. For two cylinder engines, with an engine capacity of no more than 1,000cc,
  2. For three cylinder engines, an engine capacity of no more than 675cc,
  3. For four cylinder engines, with an engine capacity of no more than 600cc.
13.29.6.2 The engine must be positioned such that the lateral centre line of the engine must not be more than 160mm beyond the centre line of the rear wheel of the motorcycle.
13.29.6.3 The engine must be positioned behind the steering head and in front of the driver.
13.29.6.4 Throttle controls must be self-closing.
13.29.6.5 The drive must be transmitted through the rear wheel.
13.29.6.6 Exhaust fumes must be discharged towards the rear but not so as to raise dust, foul the tyres or brakes or inconvenience a passenger or any other rider.
13.29.6.7 The furthest extremity of the exhaust pipe must not exceed a vertical line drawn at a tangent to the rear edge of the sidecar platform.
13.29.6.8 On the side opposite the sidecar, the exhaust pipes must not extend beyond the streamlining.
13.29.6.9 On the other side, the exhaust pipe must not extend beyond the width of the sidecar.
13.29.6.10 Exhaust pipes must be fitted and positioned so as to prevent entanglement with other machines.
13.29.6.11 The gearbox must have no more than six gear ratios.