What does a bottom end gasket kit typically include?

A bottom end gasket kit usually contains all the seals and gaskets needed for the crankcase, oil pump, and other lower engine components. This Cometic kit is designed to provide the necessary seals for a complete bottom end rebuild on compatible Yamaha models.

Why is multi-layer steel (MLS) construction important for these gaskets?

MLS construction uses multiple layers of steel with specialized coatings. This design allows the gasket to better conform to engine surfaces, handle higher pressures and temperatures, and resist leaks, making it a strong choice for performance engine applications.

Are there any special installation requirements for this gasket kit?

While this is a direct fit kit, it's always recommended to refer to the manufacturer's installation instructions. These instructions will detail specific torque sequences and any recommended sealants or preparation steps for optimal sealing.

2009-2020 Yamaha YFZ450R Gasket Kit | Cometic C3419BE

Name: Cometic 09-20 Yamaha YFZ450R Bottom End Gasket Kit
Brand: Cometic Gasket
Price: 70.22 USD
Availability: InStock

Cometic 09-20 Yamaha YFZ450R Bottom End Gasket Kit

$70.22

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Fits 09-20 Yamaha YFZ450R. Cometic bottom end gasket kit for reliable engine sealing.

Key Features

Fits 2009-2020 Yamaha YFZ450R SE, 2009-2020 Yamaha YFZ450R, 2010 Yamaha YFZ450X Bill Balance, and 2011 Yamaha YFZ450X.
Features multi-layer steel (MLS) construction for reliable sealing.
Designed to seal the bottom end components of the engine.
Contains all necessary gaskets for a complete bottom end seal.

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Will this fit your vehicle?

Product Details

The C3419BE gasket kit from Cometic is built with multi-layer steel (MLS) construction, a design choice that helps it handle the pressures and temperatures found in the bottom end of your Yamaha YFZ450R or YFZ450X engine. This kit contains all the necessary gaskets to properly seal the crankcase and other bottom-end components during an engine rebuild or repair.

MLS gaskets are well-built for their ability to conform to surface irregularities while maintaining strong sealing force, which is crucial for preventing leaks and maintaining proper oil pressure. This means you can trust these gaskets to keep your engine running smoothly after you've put in the work to get it back together. Cometic has been a popular name in gasket technology for a long time, and this kit reflects their focus on providing reliable sealing solutions for performance applications.

When you're rebuilding the bottom end of your YFZ450R or YFZ450X, using a complete, well-made gasket kit like this one ensures you have all the right pieces to get the job done correctly. Refer to the manufacturer's installation instructions for specific details on torque sequences and any required sealants.