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BORE 54MM
STROKE 54MM
DISPLACEMENT 123.95 CM3
CAPACITY 22KW A 11500 RPM
MAX TORQUE 19.6 NM A 10000 RPM
MAX RPM 13800 RPM
(ELECTRONICALLY REV. LIMITED)
CARBURETOR DELL'ORTO D.30
OR WITH DIAPHRAGM
FUEL PUMP DELL'ORTO
EXHAUST SYSTEM EXHAUST WITH INTAKE SILENCER
DRIVE CENTRIFUGAL DRY CLUTCH
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ROK JUNIOR
ROK is a 125cc single-cylinder 2 stroke engine by Vortex, with reed valve admission in the crankcase. It is mixturelubricated and liquid-cooled with integrated water pump.
It has got a digital ignition and an integrated electric starter, which the battery is dedicated to. It is provided with a balancer shaft, which reduces the vibrations.
A centrifugal dry clutch makes it possible to keep the engine on even when the kart is still. |