Cylinder sleeve for 1987-1990 Yamaha YZ490 models, manufactured for VintCo by Advanced Sleeve. This 87 mm sleeve is intended for cylinder rebuilding applications and is specified for use with piston part PSY36-00.

Features

• Manufactured for VintCo by Advanced Sleeve
• Intended for cylinder rebuilding applications
• Designed for use with piston part PSY36-00

Specifications

• VintCo Part Number: SLY36B
• Bore: 87-93 mm
• Height: 160.9 mm
• OD: 97.0 mm
• Flange OD: 100.8 mm
• Flange Height: 5.2 mm
• Wall Thickness: 5.6 mm
• Intake: 35.2 mm
• Exhaust Port Location: 45.6 mm

Vehicle Fitments

• 1987 Yamaha YZ490
• 1988 Yamaha YZ490
• 1989 Yamaha YZ490
• 1990 Yamaha YZ490