This VintCo top-end gasket kit is a newly manufactured replacement set for the 1978 Yamaha YZ250, covering all bores from 70 mm to 71 mm. Intended for top-end rebuild and engine service work, it includes the head gasket, base gasket, intake gaskets and both exhaust gaskets. The gaskets are produced using modern materials and manufacturing methods to provide OEM-equivalent fitment and performance, and OEM part numbers are supplied for fitment verification.

Features

• For top-end rebuild and engine service work
• Newly manufactured replacement gasket set
• Includes head gasket
• Includes base gasket
• Includes intake gaskets
• Includes both exhaust gaskets
• OEM part numbers provided for fitment verification
• Designed for OEM-equivalent or better fitment and performance

Specifications

• VintCo Part Number: KTE041
• Product Type: Top-end gasket kit
• Bore range: 70 mm to 71 mm

Cross-Reference OEM Part Numbers

• Head Gasket: 1W3-11181-00-00
• Base Gasket: 364-11351-01-00
• Base Gasket: 2K7-11351-01-00
• Intake Gasket: 8Y7-13556-01-00
• Intake Gasket: 80L-13621-01-00
• Exhaust Gasket: 2K7-14613-09-00

Vehicle Fitments

• 1978 Yamaha YZ250