Single cylinder 4-stroke 150cm3 Holeshot Bore x Stroke 60 x 53mm Power: 20hp loan ISO (with Dellorto carb PHBH26 + pot TCS) Torque: huge! Head type KLX worked blower, valves 28 and 23mm Camshaft very efficient providing both torque and high rpm Compression increased by modifying the cylinder Special high compression piston Ignition mini flying lead type adjustable Daytona (CDI provided) EmbrayageUPOWER 5 discs with springs and rubber mountings strengthened Transmission 4 speed type N1234 Bearing right secondary shaft gearbox dynamometer Shaft with dog-clutch 8mm The exhaust type CRF50 amount without changing the cylinder head. Holeshot engines are tuned from U-Power and enjoying the best performance / reliability / price. Our work is as much about performance than reliability. They are racing engines Championnat de France de Pitbike, test Messeix 2008. Two start successful Olivier Perrin in front of many Japanese engines! (see photo) Belgian Championship Super Motard 2009 Jean-François Fala Vice Champion with 150 Holeshot 4S World Championship grasstrack 2009: Jordan Dubernard winner with 125 Holeshot Cahors Race Super Motard 2009 Gautier Gourjault 5th with the engine 150 Holeshot 4S Video of our reliability tests:
Description
Single cylinder 4-stroke 150cm3 Holeshot
Bore x Stroke 60 x 53mm Power: 20hp loan ISO (with Dellorto carb PHBH26 + pot TCS)
Torque: huge! Head type KLX worked blower, valves 28 and 23mm
Camshaft very efficient providing both torque and high rpm
Compression increased by modifying the cylinder
Special high compression piston
Ignition mini flying lead type adjustable Daytona (CDI provided)
EmbrayageUPOWER 5 discs with springs and rubber mountings strengthened
Transmission 4 speed type N1234
Bearing right secondary shaft gearbox dynamometer
Shaft with dog-clutch 8mm
The exhaust type CRF50 amount without changing the cylinder head.
Holeshot engines are tuned from U-Power and enjoying the best performance / reliability / price. Our work is as much about performance than reliability. They are racing engines
Championnat de France de Pitbike, test Messeix 2008. Two start successful Olivier Perrin in front of many Japanese engines! (see photo)
Belgian Championship Super Motard 2009 Jean-François Fala Vice Champion with 150 Holeshot 4S
World Championship grasstrack 2009: Jordan Dubernard winner with 125 Holeshot
Cahors Race Super Motard 2009 Gautier Gourjault 5th with the engine 150 Holeshot 4S
Video of our reliability tests:
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