Cylinder Sleeve 76-78 Yamaha It YZ 400 85mm Vintco SLY04A

This VintCo cylinder sleeve is a replacement cast-iron sleeve for vintage Yamaha YZ400 and IT400 cylinders, intended for use on 1976-78 YZ400 and 1976 IT400 applications. Made in the USA for VintCo by Advanced Sleeve, it is produced with modern manufacturing methods for OEM-style fitment and is supplied with full dimensional information for installation by an experienced and qualified machinist.

Features

• Replacement cylinder sleeve for vintage Yamaha models
• Suitable for rebuilding worn or damaged original cylinders
• Ports are correctly angled to reduce port-matching work
• Can be bored and honed to suit a stock-size VintCo piston kit
• Intended for installation by an experienced and qualified machinist

Specifications

• VintCo Part Number: SLY04A
• Made for VintCo by Advanced Sleeve
• Material: Cast iron
• Country of manufacture: USA
• Bore: 85 mm
• Height: 145.4 mm
• Outside diameter: 95.9 mm
• Flange outside diameter: 98.7 mm
• Flange height: 5.1 mm
• Wall thickness: 5.9 mm
• Intake: 32 mm
• Exhaust port location: 36.2 mm
• Compatible piston part number: PSY04-00

Vehicle Fitments

• 1976 Yamaha YZ400
• 1976 Yamaha IT400
• 1977 Yamaha YZ400
• 1978 Yamaha YZ400