Racing engine 150 UPower 4S -electric start-

Caution, for oversea delivery there will be an extra charge for the shipment
Single cylinder 4 storke
150 cm3 4S UPower
bore x stroke 60 x 53 mm
power: ISO 22.5cv a 10 00tr/min (with KEIHIN PE28 and ARROW exaust)
Use from 6 to 12 500 rpm
Cylinder 4 valves flowbench worked
Piston special 4S
Ignition with mini flywheel
manual clutch with reinforced torque rubber
gearbox 4-speed type N1234 (3rd gear improved)
Intake and exaust port CRF50 style
the Holeshot engines are assembled by U-Power and benefit of the best performance/reliability/price ratio. Our work focuses on performance and reliability. These are racing engines, review occur every 20 hours.
 
Grasstrack 2009 World Championship: Jordan Dubernard runner-up with 125 Holeshot
French championship minibike 2011: Lacaille and De Souza Champion and vice Champion promo
2012 : a majority of 4S U-Power on the starting line in France
Video of our tests: