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ROK VLR Engine
| Brand: Vortex |
PART #
6303
MFR. PART#
ROKVLR
Classes: Junior VLR, Senior VLR & Masters VLR
The ROK VLR is the perfect engine 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. Great for the racer that wants to update their current 100cc to a state-of-the-art engine package. The new ROK VLR engine comes complete ready to race minus the engine mount. The ROK VLR engine can be utilized in Junior VLR (ages 12-15), Senior VLR (ages 15+) and Masters VLR (ages 32+).
TECHNICAL INFORMATION
Measurement Tolerances
- Max Power: 20 HP at 9.800 RPM
- Max Torque: 1,4 KGM at 9.600 RPM
- Single-cylinder 2 stroke engine
- Displacement 100 cc
- Reed Valve
- Air-cooled system
- Integrated electrical starter
- Centrifugal dry-clutch
- Mixture-lubricated
- Cast iron made cylinder CNC worked
- 1 elliptical port plus 2 boosters
- Piston ring L type
- Bore and stroke 48x54mm
- Selettra analogic ignition
- Butterfly valve 24mm carburetor
- Vortex intake silencer
- Engine weight 45 lbs.
OPENING ANGLES (all mesurement done with 0.20mm feeler gauge)
Tolerances: Inlet 126° ± 2°, Exhaust 164° ± 2°
LIST OF ACCESSORIES INCLUDED
- Carburetor Butterfly valve/24 mm
- Generator for battery
- Charging: On board
- Electric starter: On board
- Exhaust with flex: Exhaust with silencer
MATERIAL
- Cylinder AL – SI ALLOY
- Connecting rod NI – CR – MO STEEL
- Crankshaft NI – CR – MO STEEL
- Head AL – SI ALLOY
- Liner IRON
- Crankcase AL – SI ALLOY
- Piston AL – SI ALLOY
- Piston Ring STEEL OR IRON