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Performance Cylinder kit 61mm 170cc for GY6 125cc 150cc

Categories: Honda GY6 125 150 152QMI 157QMJ

  • USD
  • $255.00
  • Shipping:$0.00


Hi-Performance Cylinder Kits 170cc 61mm kit

for 60mm length cylinder head model not for 73mm length model KDU engine


Big bore cylinder 61mm,Hi performance Head(head+big valves+springs),& Hi Lift Camshaft,Piston, Rings,wrist pin,clip.

Free Gift: Bando Race Coil + roller

this cylinder kit is design for racing ,the fins not like standard GY6 shape 

the fins design will help cold air pass more quickly from cooling fan

(the air follow pumping from bottom to top) 

this 61mm  cylinder kit sleeve outter diameter is 65.5mm most scooter have to bore out case for fit this performance kit.check your engine case opening first.

redesign combustion chamber for Racing

Did you feel the China scooter not powerful ?

yes, this kit will help you get huge power like power pack.

install to GY6 engine have to bore out case first because the sleeve bigger than stock one.you can do it your self or goto machine shop.

Fit to

Honda  base GY6 engine ATV Quads  & Scooter

for 60mm length cylinder head model not for 73mm length model KDU engine

KYMCO: GY6 125cc and 150cc scooters.

TGB GY6 125CC,

SYM GY6 125cc

Phantom R4i 125cc 150cc, Strada RX150, Yamati, Verucci, Baccio, Viva, Matrix, Wuzzi, Lifan

fitted to most scooter Engine. need to bore out the crank case to install this upgrade kit.Check your engine serial number first.the engine serial number stamped on case near engine mount.

following model Scooter & ATV & Go-Kart  engine won't fitKazuma, KZM157QMJ + QJ157QMJ Baja MotorSports....etc.

because the cylinder bolts pattern not the same with GY6 

also not for other engine  from QJ company 150cc engine.

if have any question please email me first.

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