WILL NOT WORK WITH PRIMARY CLUTCH ENGINES. DO NOT ORDER IF YOU DON'T KNOW WHAT YOU HAVE.
Conversion kit. Convert your YX125cc Secondary clutch engine up to a Standard YX140cc Engine.
You have everything you need to upgrade your YX125cc engine to a YX140cc.
Will work with the YX type secondary clutch engine with 57mm Stroke only.
Brings your 10bhp 125cc upto 14bhp* 140cc (*depends on your setup including carb, filter, etc)
Kit requires you to remove your existing Head and Barrel (requires some mechanical knowledge) If unsure take it to your local garage to fit. It is vital the cam chian is fitted correctly as if it is not timed you could damage the head and valves.
Whats included:
- YX140cc Head stock
- 56mm Barrel. YX140cc
- Piston 56mm 13mm Gudgeon Pin(Not High compression)
- Cam cover Gasket
- Oil Take off plate Gasket
- Base Barrel Gasket
- Head Gasket
- Head plate cover Gasket
We recommend running a Molkt 26mm Carb kit with this.