What makes a Multi-Layer Steel (MLS) head gasket different?

MLS head gaskets use multiple layers of stainless steel, often with embossed sealing beads. This construction allows them to better conform to engine surfaces and handle higher pressures and temperatures compared to older composite gaskets.

What is the bore size and thickness of this gasket?

This Cometic head gasket has an 81mm bore and a thickness of .023 inches. These dimensions are specific to certain Yamaha models and ensure a proper seal.

What preparation is needed before installing this head gasket?

It's important that both the engine block deck and the cylinder head surfaces are clean and flat. Proper surface preparation is key for the gasket to seal effectively and prevent leaks.

2015-2017 Yamaha FZ-07 Head Gasket | Cometic C8890

Name: Cometic 15-17 Yamaha FZ-07 81mm Bore .023 MLS Head Gasket
Brand: Cometic Gasket
Price: 46.09 USD
Availability: InStock

Cometic 15-17 Yamaha FZ-07 81mm Bore .023 MLS Head Gasket

$46.09

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Fits 2015-2017 Yamaha FZ-07. Cometic 81mm bore .023 MLS head gasket for reliable engine sealing.

Key Features

Fits 2015-2017 Yamaha FZ-07, 2018-2021 Yamaha MT-07, 2018-2021 Yamaha XSR700, and 2021 Yamaha XTZ07 Tenere 700.
Constructed from three layers of stainless steel for durability.
Features embossed sealing beads on each layer to improve sealing performance.
Measures 81mm bore and .023 inches thick for a precise fit.
Designed to create a strong seal between the cylinder head and engine block.

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Product Details

This Cometic Multi-Layer Steel (MLS) head gasket is built with three layers of stainless steel, each with a unique embossed sealing bead. This design helps it conform to the cylinder head and block surfaces, creating a strong seal that can handle the pressures and temperatures inside your engine. It's designed to fit your Yamaha FZ-07 with an 81mm bore and a thickness of .023 inches, ensuring it works correctly with your engine's specific dimensions.

MLS head gaskets are a popular choice for rebuilds because they offer improved sealing compared to older composite designs. The multiple layers and embossed beads work together to prevent leaks between the combustion chamber, oil passages, and coolant passages. This means your engine will run more efficiently and reliably, keeping oil and coolant where they belong and combustion gases contained.

When you're rebuilding the top end of your Yamaha FZ-07, a well-made head gasket like this one is crucial for a lasting repair. Make sure your engine block and cylinder head surfaces are clean and flat before installation, as this will help the gasket seal properly and prevent issues down the road.