Big Bore Cylinder Barrel Kit: Yamaha QT50 QT 50 60cc (1979-1992) Honda and whilst you're at it

and whilst you're at it why not upgrade the coil at the same time

90mm mounting points and 2 spade connectors

then please see our other listings

Yamaha CW 50 Original (2004-2009)

Suzuki RF 400 RV (1996-1997)

Big Bore Cylinder Barrel Kit: Yamaha QT50 QT 50 60cc (1979-1992) Honda and whilst you're at itBrand New Top End Rebuild Kit to fit: Yamaha QT 50 (1979 1992). Upgrade your barrel from 50cc to 60cc with no modifications necessary from the standard QT50. This is the highest quality aftermarket Yamaha QT50 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