For many vintage bikes out there it can be hard to find a replacement cylinder. A new Cylinder Sleeve can save a vintage bike’s life. VintCo offers high quality USA made, cast-iron Cylinder Sleeves for your vintage machine. This Cylinder Sleeve fits your 1981 Yamaha YZ80 machine. These high quality Cylinder Sleeves are made with modern materials and manufacturing techniques to ensure an as good or better than OEM fitment and performance. All dimensions are provided for an experienced and qualified machinist to install in your cylinder. The ports are angled correctly so there is significantly less port matching work required than in other sleeves. This sleeve will be able to be bored and honed to your stock size VintCo piston kit. A new, high-quality, cast-iron Cylinder Sleeve can help your vintage bike run like new. VintCo helps you keep the ride going!

Made For VintCo By Advanced Sleeve
Piston Part # PSY12-00
Bore 49mm
Height 99.7mm
OD 59.7mm
Flange OD 62.9mm
Flange Height 3.8mm
Wall Thickness 5.7mm
Intake 20.5mm
Exhaust Port Location 21.6mm

CYCLE - DIRT/ROAD YAMAHA YZ80 1981