Please Note: A motorcycle / engine / frame are NOT PERMITTED to be raced until it has gone through the complete process of homologation and been deemed legal to use.

2024 Superlite Rules

The original Bucket Racing Class started back in 1988.

1. Classes: One Class combining:
   
   - 125cc 2 Stroke air cooled max capacity 125cc
   - 180cc 4 stroke air cooled max capacity 189cc
   
   
2. Frames:
   Frames shall be from homologated, non-competition, Road or Trail machines only. Frames can be twin shock or single shock design
   
   Frames currently homologated are as follows:
   
   ACE:
   Ace125 4 stroke model.
   
   Honda:
   CB 125E, CB 100/125/175 K, J, S, N, T, CB200,
   XL100/125/175/185, SL100/125, SL175 H 100, MT125, CT100/125/185, XR200
   CBR125 Rolling Chassis
   
   Kawasaki:
   KH 100/125, G4, G7, KE100/125 KV 100, KM 100
   
   Suzuki:
   GP 100/125, A 100, TS 100/125, TF 100/125, GS 125, DR 125 DS 80, GT 125, TC 100/125
   
   Yamaha:
   DX100, DT100/125/175, RX100/125, LS1, LS3, RD 125, RT 100, AS3, YL1, YB1,
   YFZR125/150 rolling chassis
   
   Modifications may be made to the frame to allow the fitment of race seat, triple clamps (steering stops), shock mount positions, and fuel tanks. The addition of bracing and removal of unnecessary brackets. No restrictions on the use of swing arms.
   
   
3. Forks:
   Forks sizes are free. Conventional forks only, no upside down forks.
   
   
4. Engines:
   Heads, Barrels & Crankcases shall be from homologated non-competition Road or Trail machines only. The following are currently homologated:
   
   Ace
   Ace 125 4stroke
   
   Honda:
   CB125E, CB100/125/175 K, J, S, N, T. CB200, SL100/125/175, SL175, H100, MT125, CT/125/185/200, XL100/125/175/185/200, ATC200 XR200.CB125E, CB100/125/175 K, J, S, N, T SL100/125, H100, MT125, CT/125/185/200,
   
   Jianshe:
   JS125Y (Complete 124cc engine), JS150Y Engine less Cylinder head.
   XR200 (with XL185 barrel)
   
   Kawasaki:
   100cc 2 Stroke.
   KH 100/125, G4, G7, KE100/125 KV 100, KM 100
   
   Suzuki:
    100cc 2 Stroke
   GP100/125, A100, TS100/125, TF100/125, GS125, DR125, GT125, TC100/125, DFI25, DR200, TLF200 (Head & Cylinder only)
   
   Yamaha:
   100cc 2 Stroke
   DX100, DT100/125/175, RX100/125, LS1, LS3, RD125, XT125, RT100, AS3, YL1, YB1
   
   Engine Modifications:
   
   4a) 4 stroke Cylinder head modifications:
   

   (Only 2 valves per cylinder are permitted on 4 strokes)

   4ai) 4 stroke cylinder heads shall remain in original configuration i.e. Valves shall retain original angles and position and shall remain standard sizes only.
   Maximum valve sizes: Inlet 30mm, Exhaust 26mm.

   4aii) Porting is permitted
   
   4aiii) Camshaft modifications are permitted. Note: Camshafts that interchange between homologated models may be used. i.e. CB may be used in XL, GS may be used in DR etc.
    
   4b) 2 stroke cylinder modifications:
   
   2 stroke barrels/cylinders shall be restricted to an exhaust port width of 70% of the bore diameter with the standard number of ports ONLY.
   

5. Brakes:
   
   Brake modifications are free.
   
   
6. Tyres:
   
   Tyres to be readily available in Australia; No slicks or wet racing tyres; Tyres are to be as they left the manufacturer, No modifications (ie. No re grooving) Tyre sizes free
   
   
7. Fuel:
   
   Shall be as per the GCRs. No additives or (octane boosters) other than oil for lubrication.
   
   
8. Induction:
   
   Induction will be by carburettors only.
   28mm (carburettor maximum on 2 strokes).
   
    - No fuel injection.
    - No forced air induction.
   


9. Fairings:
   
   Full fairing allowed.
   
   The implementation and enforcement of the BRA Racing Rules is governed by the BRA committee. Penalties for non-compliance will be determined by the committee.
   
   

RANDOM INSPECTIONS OF:
-- FUEL,
-- ENGINE CAPACITY,
-- 2 STROKE CYLINDERS,
-- 2 STROKE CARBURETTOR SIZE
-- 4 STROKE HEADS (VALVE SIZES)  WILL BE CARRIED OUT DURING THE YEAR.

2024 Motolite Rules

1. Classes: One class combining:
   
   
   • 125cc Air-cooled single cylinder 2 stroke
   • 200cc Air-cooled 2 valve twin cylinder
   • 175cc Air-cooled 3, 4 or 5 valve 1cyl. 4 stroke
   • 190cc Air-cooled Horizontal 4 Valve 4 speed
     gearbox (Laydown Motor)
   • 230cc Air-cooled 2 valve single cylinder 4 stroke
   • 85cc Water-cooled 2 stroke
     
   • 159cc Water-cooled 4 valve single cyl. 4 stroke
   • *200cc Water-cooled 4 valve single cyl. 4 stroke
     Production ADR road motorcycle Min Weight. 120KGM
   • 210cc Water-cooled 2 valve single cyl 4 stroke
     
     

   These capacities are maximum sizes, a tolerance of 5% is included within these capacities.
   Open to any grade of rider.

2. Engines: Choice of engine is open. Any engine conforming to capacity & valve constraints under Classes section 1.
3. Forks: Forks may be of any diameter, conventional or upside down
   
4. Frames: Frames are open.
   
5. Fairings: Modern style race fairings allowed.
   
6. Brakes: Brake modifications are permitted.
   
7. Tyres: Tyres are open
   
8. Fuel: Shall be as per the GCRs. only.
   
9. The implementation and enforcement of the BRA Racing Rules is governed by the BRA committee. Penalties for non-compliance will be determined by the committee.
   
10. Motolite number plates to be as per MOMS.
    
11. Production based ADR 4 stroke 150 to 200cc sports and commuter motorcycles. Minimum weight 120Kgms.
    
    

RANDOM INSPECTIONS OF
-- FUEL
-- ENGINE CAPACITY,
 WILL BE CARRIED OUT DURING THE YEAR.

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2024 Commuterlite Rules

Racing class open to all 4 stroke 125cc Commuter Bikes.

To be eligible for racing, the motorcycle must have:

ADR Compliance.

• Standard 4 stroke engine of 125cc.
• The motorcycle must be made to comply with any general requirements of road racing rules in the MOMS.

The following items may be modified from OEM.

1. Body work may be removed or replaced, provided the replacement bodywork provides a similar profile as OEM see...
   
2. Carburettor jetting / Fuel injection mapping.
3. Air filter, air box may be modified / removed.
4. Exhaust system.
   
5. External gearing and drive chain.
   
6. Tyres: No Slicks or Wet Weather Racing Tyres.
7. Brake pad material, braided brake lines allowed.
8. Handlebars, hand and foot controls.
9. Front Fork springs and internals.
10. Rear shock(s) and springs.
11. Instrument cluster may be removed or replaced with aftermarket instruments.
12. Pillion sub-frame may be modified. ( Only as per Figure 1 see below)
    
    
    
    

Please Note:

1. OEM ECU must be retained, no modifications allowed. Checks will be made on ECU rev limiting to specification.
2. Starter motor, battery and alternator must remain standard and operational. (Engine must start from bikes own starter motor).

• Rules will continue to be revised (if needed) at the 2017 BRA Annual General Meeting.
• The BRA Committee has the discretionary power to alter the above rules if required within the next 12 months.

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2024 BRA Production160 Rules

Racing class open to 4 stroke 160cc sports and commuter Motorcycles.

• Any Standard road Sports/Commuter 4 stroke motorcycle up to 160cc with ADR Compliance
• Standard exhaust system must be used.
• Starter motor, battery and alternator must remain standard and operational. (Engine must start from bikes own starter motor).
• No modifications except for those listed below
• The motorcycle must comply with any requirements for road racing in the MOMs

The following items may be modified.

1. Body work may be removed or replaced, provided the replacement bodywork has a similar profile as OEM
2. Fibreglass fairing and seat cowling allowed.
3. External gearing.
4. Standard forks and springs, oil may be changed and preload added
5. Rear shock can be reoiled and pre load added.
6. Tyres: No Slicks or Wet Weather Racing Tyres.

Mandatory MOMS.

• Sump plug drilled and wired. (See MA rules)
• Oil filler cap drilled and wired.
• Radiator cap drilled and wired.
• For Oil, fuel, water and radiator overflow bottle breather pipes see options in the MOMS, page 38 6.1.17.11 .

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