ROK Shifter Engine

Description

Vortex ROK Shifter is a 125cc single-cylinder reed-valve two-stroke, liquid-cooled, with a six-speed gearbox. Born to answer the needs of drivers who want to compete in gearbox categories, following the ROK philosophy: low costs and regulations that stay stable over time.

Technical specifications

• Displacement: 125cc, single cylinder, two-stroke
• Four reed valves in the crankcase
• Six-speed gearbox with front clutch
• Cooling: liquid (external pump not included)
• Carburettor: Dell’Orto VHSH Ø30 mm
• Max power: 43 HP @ 13,900 rpm

Supplied with

• Dell’Orto VHSH Ø30 mm carburettor and Dell’Orto fuel pump
• Intake silencer
• Exhaust with exhaust silencer
• Engine mount