Vintco sleeve Cylinder Yamaha YZ 400 1976-1978 & IT 400 1976 sleeve 85mm

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 1976-78 Yamaha YZ400 & 1976 IT400 machines. 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 # PSY04-00

Bore 85mm

Height 145.4mm

OD 95.9mm

Flange OD 98.7mm

Flange Height 5.1mm

Wall Thickness 5.9mm

Intake 32mm

Exhaust Port Location 36.2mm