Hight pressure cylinder
Special high compression piston
Mini wheel ignition advance Daytona adjustable type (permanent watertight connector provided)
5-disc manual clutch with springs and rubber mountings strengthened
4 speed gearbox type N1234
Selector arm well guided on both sides
High flow oil pump
Bearing right shaft gearbox needles
Exhausts CRF50 type can be fitted without modification.
Holeshot engines are engines tuned by U-Power, with the best performance / reliability / price. Our work is as much about performance than reliability. They are racing engines.
4-valve cylinder head worked with flow bench
Championnat de France Pitbikes, Messeix 2008. Two starts led to successful Olivier Perrin before many Japanese engines! (See photo)
Belgian Championship Endurance Super Motard 2009 Jean-François Fala Vice Champion with the 150 Holeshot
World Championship grasstrack 2009: Jordan Dubernard runner-up with the 125 engine HoleshotVideo of our reliability tests:
125 Honda
