ROK GP Junior Engine

Description

The Vortex ROK GP Junior is the Junior-category version of the ROK GP: the same 125 cc liquid-cooled reed-valve two-stroke with power valve and electric start, supplied with the Junior-category exhaust manifold. Complete kit available from our Dubai stock for UAE and GCC drivers.

Key specifications

• Displacement: 125 cc, single-cylinder two-stroke, reed-valve intake in the crankcase
• Bore x stroke: 54.07 x 54 mm
• Cooling: liquid, external water pump
• Power valve for better driveability at low rpm; balancer shaft to reduce vibration
• Maximum torque: 20.2 Nm at 11,500 rpm
• Ignition: PVL digital, electronically limited to 15,000 rpm
• Carburettor: Dell’Orto VHSH Ø30 mm with Dell’Orto fuel pump; Arrow intake silencer
• Starter: integrated electric starter
• Clutch: centrifugal, dry
• Radial C4 main bearings; oval exhaust port with 2 boosters; 5/3 transfer ducts; CNC-machined cast-iron cylinder; mixture lubrication

In the box

• Engine
• Junior-category exhaust manifold
• Dell’Orto VHSH Ø30 mm carburettor and Dell’Orto fuel pump
• PVL ignition with 15,000 rpm limiter
• Intake silencer
• Moulded exhaust with integrated silencer
• Complete cooling system: radiator and water pump with pulley
• Starter wiring harness with battery holder

Battery and battery charger are not included.

Genuine Vortex engine (OTK Kart Group), code VORENG – GPJUNIOR, 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.