ROK GP Junior Engine

Description

Vortex ROK GP Junior is the Junior-category version of the ROK GP: a 125cc single-cylinder reed-valve two-stroke, liquid-cooled, with power valve and integrated electric start. Same philosophy as the ROK GP: a gritty character, a practical layout, high performance with reliability.

Technical specifications

• Displacement: 125cc, single cylinder, two-stroke reed valve
• Cooling: liquid (external pump)
• Balance shaft and power valve
• Carburettor: Dell’Orto VHSH Ø30 mm
• Ignition: PVL with 15,000 rpm limiter
• Max torque: 20.2 Nm @ 11,500 rpm
• Max rpm: 15,000 (electronically limited)

Supplied with

• Junior-category exhaust manifold
• Dell’Orto VHSH Ø30 mm carburettor and Dell’Orto fuel pump
• PVL ignition
• Intake silencer and exhaust
• Complete cooling system (radiator and water pump with pulley)
• Wiring harness with battery holder

Battery and battery charger not included.