Datasheet:
- Single-cylinder 2 stroke engine with six-speed gearbox
- Displacement 125 cc
- Reed valve intake in the crankcase
- Liquid-cooled through external pump
- Push-to-start system
- Mixture-lubricated
- PVL analogic ignition
- Dry clutch
- Dell’Orto VHSH Ø 30mm carburettor
- Arrow intake silencer
- Dell’Orto fuel pump
- Bore and stroke 54x54.5mm
- Cast iron made cylinder
- 5/3 transfer ducts intake
- Oval exhaust and 2 boosters
- 43HP at 13.900 Rpm
- Max 14.000 Rpm
- Shifter Rok moulded exhaust
- Exhaust silencer
- Front clutch gearbox system
- Radial bearing C4
The Rok Shifter was born to meet the needs
of many drivers who want to compete in a category with the gearbox, but always according to the Rok philosophy: low costs and steady regulations over the time.
The engine has the following features:
Single-cylinder 2 stroke engine with 6-speed gearbox with front clutch system, displacement 125 cc, reed valve intake in the crankcase. Liquid-cooled through external pump (not supplied in the kit).
The engine comes in two configurations: bare engine or in a complete kit with Dell'Orto VHSH Ø 30mm carburettor, Dell'Orto fuel pump, Arrow intake silencer, moulded exhaust and exhaust silencer.
Ready for a power of 43 HP, the Rok Shifter is the engine that provides the best combination of performance and operating costs.
The engine has the following features:
Single-cylinder 2 stroke engine with 6-speed gearbox with front clutch system, displacement 125 cc, reed valve intake in the crankcase. Liquid-cooled through external pump (not supplied in the kit).
The engine comes in two configurations: bare engine or in a complete kit with Dell'Orto VHSH Ø 30mm carburettor, Dell'Orto fuel pump, Arrow intake silencer, moulded exhaust and exhaust silencer.
Ready for a power of 43 HP, the Rok Shifter is the engine that provides the best combination of performance and operating costs.
Includes complete exhaust, Dellorto carb, airbox, j-arm, drive gear and engine mount. Requires radiator, hoses, water pump, pulley and belts.
