Capacity Liquid cooled 290 - 300cc
Bore Aluminium / Iron liner 76 - 77mm
Stroke 64 mm
Rod Yamaha YZ250 125 mm
Transfers 129 deg.
Exhaust closed 180 deg.
Exhaust open 198 deg.
Based on the Rotax SkiDoo 583 Snowmobile engines combined with heavy duty Gran Turismo custom crank shaft and Aprilia RS125 generator ignition.
Casing, side casing, mag housing & cover, crank, Cylinder kit, Head, seal plates, stator plate, gearbox end plate, Manifold, VHSB34 carb, crown wheel, reed chamber, reed valve, Primary drive set, Chain, Tensioner, Wiring loom, Mounting bracket set, studs/bearings/seals/gaskets
Parts required
RS125 ECU, rectifier, Coil, Flywheel, Stator & pickup, Radiator, Expansion bottle, Clocks, Battery, BGM Pro clutch centre, SX200 gearbox, Exhaust, Rear axle, Side case/gear selector/ rear brake furniture. Radiator cowling, water pump, mounting kit, Expansion & battery tray. Radiator cowling, water pump, mounting kit, Expansion & battery tray