Description
The Yamaha YFZ450R Top End Gasket Kit gives you the gaskets needed to reseal the upper engine when wear or age causes leaks. It’s focused on sealing where rings and valve cover surfaces meet.
REV6 reviews each gasket before it ships for correct fit and durability. A 1-year parts warranty supports your build where tight sealing counts.
THIS KIT INCLUDES
- Top end gasket kit
LEARN MORE & GET SUPPORT
Learn about coverage on our warranty policy, find rebuild insight on the REV6 blog, browse answers in the FAQ center, or contact our team for help.
FITMENT
Yamaha YFZ450R
2009–2026
TAKE ACTION
If upper engine sealing has loosened with age, this top end gasket kit gives you the parts you need to reseal it right. Ships nationwide—add it to your cart and finish the job with confidence.
Your service matters to us—veterans receive special pricing at REV6.













