Does this gasket kit include oil seals?

No, this Athena gasket kit specifically excludes oil seals. You will need to source those separately if your engine rebuild requires them.

What does 'material stress relieving' mean for these gaskets?

Material stress relieving is a process Athena uses to reduce internal stresses within the gasket material. This helps the gasket conform better to the mating surfaces and maintain a strong seal, especially under heat and pressure.

Are these gaskets made to OEM specifications?

Athena states they follow strict parameters imposed by manufacturers. The gaskets are engineered in Italy with internal know-how and use laser cutting for precision.

Athena

Athena 1985 Yamaha YFM 200 N / DXS / DXW Moto 4 Complete Gasket Kit (Excl Oil Seals)

Name: Athena 1985 Yamaha YFM 200 N / DXS / DXW Moto 4 Complete Gasket Kit (Excl Oil Seals)
Brand: Athena
Price: 49.05 USD
Availability: InStock

$49.05

Fits 1983-1985 Yamaha YTM200 Tri-Moto and 1985 YFM200 Moto-4. This Athena gasket kit replaces all the necessary gaskets for your engine rebuild.

Key Features

Direct fit — verified for 1983-1985 Yamaha YTM200 Tri-Moto and 1985 Yamaha YFM200 Moto-4
Complete engine gasket set — replaces all necessary gaskets and seals (excluding oil seals) for a full engine rebuild.
Laser-cut components — ensures precise cutting for a perfect fit.
Surface treatments — compensates for irregularities to improve sealing.
Material stress relieving — improves sealing in critical engine areas.
Made in Italy — built with internal know-how and strict manufacturing standards.

Fits these vehicles

Yamaha YFM200 Moto-4 1985
Yamaha YTM200 Tri-Moto 1983-1985

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Product Details

Laser-cut gaskets made in Italy. This Athena gasket kit covers all the seals and gaskets needed for your 1983-1985 Yamaha YTM200 Tri-Moto or 1985 Yamaha YFM200 Moto-4 engine rebuild, excluding oil seals. Athena uses internal know-how and strict manufacturing parameters to ensure a good seal.

They perform surface treatments to fix any irregularities and use material stress relieving processes. This helps the gaskets seal properly, especially in critical areas of the engine.