The engine has the following features: single-cylinder 2 stroke engine with 6-speed gearbox with front clutch system, displacement 125 cc, 4 reed valve intake in the crankcase. Liquid-cooled through external pump (not supplied in the kit).
The engine comes in a complete kit with Dell’Orto VHSH Ø 30 mm carburettor, Dell’Orto fuel pump, Arrow in- take 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.
Technical Specifications
| Model |
Vortex ROK Shifter 125cc |
|---|---|
| Description |
Single cylinder – 2 stroke 125cc |
| Class |
Senior, Masters |
| Cooling System |
Liquid-cooled through external pump |
| Exhaust |
Shifter Rok molded exhaust |
| Bore and Stroke |
54x54.5 mm |
| Max Power |
43 HP a 13.900 Rpm |
| Max Torque |
1,4 Kgm at 9600 rpm |
| Max RPM |
14.000 Rpm |
| Ignition |
PVL analogical ignition |
| Carburetor |
Dell’Orto VHSH Ø 30mm |
| Silencer |
Arrow intake silencer |
| Fuel Pump |
Dell’Orto |
