Building upon the successful line-up of Vortex ROK engines, VORTEX launches the new Vortex ROK VLR. The perfect platform for the entry-level driver, the ROK VLR not only offers superior performance over its rivals with lower maintenance, but it also offers some great features like electric start all at a cost racers can afford.
The new ROK VLR engine was designed solely with club racers in mind, whether it’s a new racer getting into karting, or for those looking to move up from a four-cycle powerplant. Also, for racers that want to update their current 100cc to a state-of-the-art engine package, this engine covers it all.
DISPLACEMENT: 100CC
ENGINE: 2 stroke
BORE48.20 mm
STROKE 54.00 mm
CONROD C-TO-C DISTANCE 102.00 mm
INTAKE SYSTEM Reed Valve
CARBURETTOR Butterfly Valve 24mm
INTAKE SILENCER Arrow LA22
CYLINDER LINER/SLEEVE Cast Iron Made Dry-Liner/Sleeve
TRANSFER PORTS 3 Ports
EXHAUST PORTS 1 Elliptical Port + 2 Boosters
COOLING SYSTEM Air Cooled
LUBRICATING SYSTEM Oil-Fuel Mixture Lubricated
IGNITION SYSTEM Selettra
START SYSTEM Integrated Starter Motor
TRANSMISSION W/ Clutch
CLUTCH SYSTEM Centrifugal Dry-Clutch System
COMPRESSION RATIO 10.5 : 1
MAXIMUM POWER 20Hp at 9800 rpm
MAXIMUM TORQUE 1,4 Kgm at 9600 rpm
MAXIMUM SPEED 16000 rpm
Package Includes: Carburettor, Wiring Harness, Exhaust
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