2023 Superlite Rules
Superlites the original Bucket class was started all of 35 years ago and still provides excellent racing and enjoyment for it’s participants. Numbers have been decreasing over the past few years but some suitable available modern donor bikes may keep this resilient class alive.
- Classes: One Class combining:
– 125cc 2 Stroke air cooled max capacity 125cc
– 180cc 4 stroke air cooled max capacity 189cc - 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. - Forks:
Forks sizes are free. Conventional forks only, no upside down forks. - 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 or pre 2014 CRF150 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. - Brakes:
Brake modifications are free. - 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 - Fuel:
Shall be as per the GCRs. No additives or (octane boosters) other than oil for lubrication. - Induction:
Induction will be by carburettors only.
28mm (carburettor maximum on 2 strokes).
– No fuel injection.
– No forced air induction. - 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)
MAY BE CARRIED OUT DURING THE YEAR.