Moose Racing Valve Seal Kit for Yamaha YZ250F (M80-80990)

The Moose Offroad M80-80990 Valve Seal Kit is designed for Yamaha YZ250F engines requiring reliable replacement intake and exhaust valve seals. Each seal features carefully engineered contact surfaces to promote improved sealing and help maintain consistent engine performance in demanding off-road conditions.

Built with high-temperature Viton® and PTFE materials, this valve seal kit provides enhanced resistance to heat and wear compared with standard materials. The seals are manufactured to offer improved tolerance over OEM specifications, supporting a precise fit and dependable service life during high-performance riding and racing applications.

Feature: Complete kit includes one full set of intake and exhaust valve seals. Feature: High-temperature Viton® and PTFE construction. Feature: Contact surfaces designed for improved sealing. Feature: Improved tolerance over OEM specifications. Feature: 100% quality controlled. Feature: Made in the USA. Designed specifically for the Yamaha YZ250F, the Moose Offroad M80-80990 provides a practical solution for valve service and engine maintenance without requiring separate intake and exhaust seal purchases.

Features:

• Complete kit includes one full set of intake and exhaust valve seals
• High-temperature Viton® and PTFE construction
• Contact surfaces designed for improved sealing
• Improved tolerance over OEM specifications
• 100% quality controlled
• Made in the USA
• Designed for Yamaha YZ250F applications

Ships from Parts Unlimited.