Athena Complete Engine Gasket Kit for Yamaha YFM 700 Raptor - P400485850078

The Athena Complete Engine Gasket Kit is the ideal solution to guarantee optimal performance of yo...

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eBayAthena Gasket Kit For Yamaha YFM 700 R 06-18 P400485850078
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GhostBikes.comAthena Blue P400485850078 - Complete Gasket Kit For Yamaha Yfm 700 Raptor 2013-2025
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Product Information

Full details

The Athena Complete Engine Gasket Kit (P400485850078) is designed for Yamaha YFM 700 Raptor owners performing a top-end or full engine rebuild. It provides a comprehensive set of high-performance seals to ensure optimal engine compression and prevent fluid leaks, though users should be aware that it does not include oil seals, which must be purchased separately.

All features

Model Part NumberP400485850078
BrandAthena

Extended Product Information

FAQs

Does this kit include everything I need for a full engine rebuild?

It includes all the necessary gaskets and rubber parts for the top end, but note that it does not include oil seals.

Can I reuse these gaskets?

No. Steel core and silicone-beaded gaskets are designed for a single-use application to ensure a reliable, airtight seal.

Do I need to use gasket sealant with this kit?

The kit is designed to provide a perfect seal without extra sealant. Using excessive sealant may actually interfere with the effectiveness of the silicone beading.

Will this fit all years of the Yamaha Raptor 700?

This kit is designed for the YFM 700 Raptor; however, always verify your specific model year compatibility using the provided MPN (P400485850078).

What should I do if my engine is losing coolant?

If you have ruled out cracked hoses or a damaged radiator, inspect the head gasket for signs of failure and ensure your head bolts are torqued correctly.

Troubleshooting

Coolant or oil seeping from the head gasket area

Verify that all cylinder head bolts were torqued to the correct specification and pattern. Check that the mating surfaces were cleaned properly.

Gasket appears to be leaking shortly after installation

Ensure that the surfaces were completely flat before installation. If the head was warped from previous overheating, the gasket will not seal effectively.

Pros and Cons

Pros

  • Superior sealing capability compared to standard paper gaskets
  • High-temperature resistance prevents premature failure
  • Excellent fitment for the Yamaha YFM 700 Raptor engine geometry
  • Durable steel core construction provides high tensile strength

Cons

  • Oil seals are not included in the kit
  • Requires professional installation knowledge for engine internals
  • Not suitable for engines with heavily warped sealing surfaces

Setup, Compatibility & Care

This kit is specifically compatible with the Yamaha YFM 700 Raptor. To install, ensure you have a clean workspace, as even minor particles can compromise the seal of the new steel gaskets. Always torque your cylinder head bolts to the factory-recommended specifications in the correct pattern to allow the spring steel gaskets to seat evenly. Do not use chemical solvents on the silicone beading, as this can degrade the material. Because this kit does not include oil seals (such as crank seals or water pump seals), inspect your existing seals or source the appropriate separate replacements before starting your assembly.

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