Moose Offroad Top End Gasket Kit 0934-6927 - Yamaha YZ450F / YZ450FX / WR450F 2020-2023

Product Description

Rebuild your 4-stroke engine with total confidence using the Moose Offroad Top End Gasket Kit. Designed to handle all your gasket and seal needs at a fraction of OEM cost, this kit utilizes high-tech materials to deliver unmatched reliability and performance.

Every set includes every gasket, O-ring, and seal required to completely rebuild a top end—including valve seals, head, base, exhaust, tensioner, and other miscellaneous components. Built for durability and precise fit, these performance sets are tailored specifically for piston replacements.

Top Features: Moose Offroad Top End Gasket Kit

• Complete top-end kit includes every gasket, O-ring, valve seal, head, base, exhaust, and tensioner seal required for a full rebuild.
• Manufactured from high-tech materials designed to provide unmatched reliability and long-lasting durability.
• Engineered as a cost-effective alternative to OEM components with an accurate, precision fit.
• Oil seals included are genuine OEM replacement seals.
• All gaskets proudly made in the USA.

Please review the detailed compatibility data below to ensure an exact fitment match for your motorcycle before finalizing your purchase.

Fitment List

Frequently Asked Questions

Q: What components are included in this top end gasket kit?
A: The kit includes every gasket, O-ring, and seal required to rebuild a top end, including valve seals, head, base, exhaust, and tensioner gaskets.

Q: Are the included oil seals genuine?
A: Yes, the oil seals provided in the set are genuine OEM replacement seals.

Expert Pro-Tip

Expert Pro-Tip: When performing a top-end rebuild, always thoroughly clean and scrape old gasket material off the mating surfaces using a proper flat scraper, taking care not to gouge the aluminum to ensure a leak-free seal.

Recommended Pairings:

• Yamaha 4-Stroke Performance Parts & Upgrades
• MX Off-Road Motorcycle Tools
• Premium Motorcycle Chemicals & Coolants

About Moto-House MX

At Moto-House MX, we carry the best brands in motocross and off-road performance. Our team has over 40 years of experience helping riders get more out of their bikes. We pride ourselves on great customer service, and every item ships FAST - straight to your door.

Moto-House MX - Choice of Champions - Your premier powersports source with great customer service and lightning-fast shipping straight to your door.