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Race Class: ROK Shifter, ROK Shifter Masters
Vortex ROK 125cc Shifter Engine Package. Ready for a power of 43 HP?! The ROK 125cc Shifter by Vortex Engines is the power-plant that provides the best combination of performance and operating costs available for shifter racing.
Engine Specs:
- 125cc Single-Cylinder 2 stroke
- 43hp @ 13,900 Max Power
- 14,000 Max Torque
- 6-speed gearbox with clutch
- PVL Analog Ignition
- 4 reed valve intake
- Dell’Orto VHSH Ø 30mm carburetor
- Dell’Orto fuel pump
- Arrow in-take silencer
- Moulded exhaust w/silencer
- Liquid-cooled via external pump (not included)
