PRD RK100CC CLUTCH PISTON PORT (Clutch)
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PRD RK100cc Piston Port Engine – With Clutch
Affordable 100cc racing power. The PRD RK100 is a 2-stroke, air-cooled piston port engine designed as a direct competitor to the Yamaha KT100S. With electric start, centrifugal clutch, and strong mid-range torque, it’s a complete package for club-level, social karting or dirt karting.
Technical Specifications
| Feature | Details |
|---|---|
| Displacement | 98cc (49.92mm bore x 50.00mm stroke) |
| Power | ~18hp @ 14,500–15,000rpm |
| Cooling | Air-cooled |
| Induction | Piston Port |
| Carburettor | Walbro WB42 with choke |
| Ignition | PRD #7 Magneto |
| Exhaust | Coned header with adjustable length muffler |
| Starting | Electric start (battery + loom included) |
| Drive | Centrifugal steel clutch (10T, 219p) |
| Airbox | Silver 23mm with internal filter |
| Rebuild Interval | Top end ~15hrs / Bottom end ~30hrs |
Kit Includes
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Complete PRD RK100 engine
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Centrifugal clutch (fitted)
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Walbro WB42 carburetor + spacer kit
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Airbox + filter + clamps
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Exhaust header, flex, muffler, springs
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Spark plug (NGK)
Why Racers Choose It
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Affordable entry into 100cc racing (often half the price of a KT100S)
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Electric start convenience (Via External Starter - Not Included)
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Comparable performance to Yamaha KT100S in club racing
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Complete “turnkey” package—no extra parts required