Brand new big bore cylinder / barrel kit to fit:
Yamaha PW 50 (1981-2022). (big bore 60cc upgrade).
Upgrade your barrel from 50cc to 60cc with no modifications necessary from the standard PW50. This is the highest quality aftermarket Yamaha PW50 cylinder kit you can get on the market. The performance will meet that of the genuine part and you'll save yourself a bit of money too.
Includes Cylinder, Gasket, Piston Kit, Cylinder Head, Spark Plug, Studs and Nuts as seen in picture to fit all years and models.
Piston kit includes Piston, Rings, Circlips, Small End Bearing and Gudgeon Pin.
44mm Piston diameter.
To replace OEM:
- Cylinder - 44V-11311-00 / 4J2-11311-01. (upgrade to 60cc)
- Head - 4J2-11111-01.
- Piston - 18U-11631-00-A0. (44mm to replace standard 40mm).
- Piston Rings - 260-11610-04.
- Gudgeon Pin - 3L5-11633-00.
- Small End Bearing - 93310-21038.
- Circlips - 93450-11021.
- Head Gasket - 517-11181-01.
- Base Gasket - 3PT-11351-00.
- Spark Plug - 94701-00258.
- Studs - 90116-06418.
- Nuts - 95707-06500.