ROK Shifter Engine

Description

The Vortex ROK Shifter is a 125 cc liquid-cooled reed-valve two-stroke with a six-speed gearbox and front clutch, for drivers who want to race in gearbox categories under the ROK approach of controlled running costs. Rated at 43 hp. Supplied in Dubai for the UAE and the GCC.

Key specifications

• Displacement: 125 cc, single-cylinder two-stroke, 4 reed valves in the crankcase
• Bore x stroke: 54 x 54.5 mm
• Transmission: six-speed gearbox with front clutch system, dry clutch
• Cooling: liquid, external water pump (not included in the kit)
• Maximum power: 43 hp at 13,900 rpm
• Ignition: PVL analogue
• Carburettor: Dell’Orto VHSH Ø30 mm with Dell’Orto fuel pump; Arrow intake silencer
• Exhaust: ROK Shifter moulded exhaust with aluminium exhaust silencer; oval exhaust port with 2 boosters
• Magnesium engine mount; radial C4 main bearings; 5/3 transfer ducts; CNC-machined cast-iron cylinder; mixture lubrication

In the box

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

Water pump and radiator are not included.

Genuine Vortex engine (OTK Kart Group), code VORENG – SHIFTER, supplied by Scuderia General Trading, exclusive UAE distributor of OTK Kart Group. In stock at our Dubai warehouse where shown; orders are dispatched the same day they are received, with DHL Express delivery across the UAE and the GCC.