Maximum 125cc/Minimum 115cc OE engine
The use of superchargers or turbochargers is prohibited
Only four stroke OE homologated road engines.
No competition engines
Seat subframe may be modified/changed
Fuel mapping plug in boxes eg. power commanders/resistors/ignition boxes can be fitted but standard OE ECU/CDI must still be used
Exhaust front pipe maybe modified or replaced
The only permitted end can for 4 stroke engines will be the factory Original Equipment or an “unmodded/undamaged” powertech
Air filter and box may be changed or removed.
Original OE Fuel Injection to remain as fitted from manufacturer
Only OE supplied ECU/CDI permitted (Euro/USA/UK all models ECU/CDI permitted) NO altered or race ECU/CDI
Engine Tuning is not permitted and must remain OE standard with no modifications at all.
Starter motors if originally fitted must remain and be functional.
Cutting of the ignition/fueling for the purpose of changing gears is allowed by a quickshifter mechanism.
Any aftermarket fibreglass bodywork is permitted
Standard road bodywork is permitted but must have mirrors/stands removed. Head lamp and rear light glasses must be adequately taped to prevent splintering. Unused wiring for lights and switches etc may be removed.
Replacement parts, only OE or pattern to OE spec parts can be used in engines
The forks must remain standard OE, any internal modifications are allowed, external preload adjusters allowed.
ANY forks fitted to the same make/model of bike irrespective of year eg YZF-125 any year YZF-r125 forks/wheels, CBR125 any year forks/wheels “BUT” all parts must be originally fitted from the same Manufacturer
Rear shocks can be modified/replaced with no restrictions as long as they fit the original mounting points
Pads, lines, master cylinders, discs, and footrest/hangers are allowed to be changed. Disc’s must remain the OE diameter for the model of bike.
Chain & sprockets
Any chain and sprocket size can be used
Remain OE fitment for manufacturer permitted size 16″ 17″ 18″.
Any tyres permitted, tyre warmers are also allowed.
The only liquid engine coolant permitted is water
Oil sump plug and filler plug must be lock wired
A red rain light fitted to the rear of the Motorcycle
2022 Streetstock Champions