HEAD GASKET FOR EVINRUDE JOHNSON V4 85HP 88 90 100 110 115 135 140HP 0318358

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Head Gasket for Johnson Evinrude

High-quality marine engine spare parts.



Reference to Johnson / Evinrude : 0318358, 318358





Applications:

FITS 2 STROKE ENGINES ONLY



85 HP 1979 - 1980 1991 - 1995



88 HP 1988 - 1996



90 HP 1981 - 1998



100 HP 1979 - 1980 1984 - 1997



110 HP 1986 - 1989



115 HP 1973 - 1985 1990 - 1998



135 HP 1974 - 1976



140 HP 1977 - 1984



A gasket is a mechanical seal which fills the space between two or more mating surfaces, generally to prevent leakage from or into the joined objects while under compression.





Gaskets are normally made from a flat material, a sheet such as paper, rubber, silicone, metal, cork, felt, neoprene, nitrile rubber, fiberglass, polytetrafluoroethylene (otherwise known as PTFE or Teflon) or a plastic polymer (such as polychlorotrifluoroethylene).



One of the more desirable properties of an effective gasket in industrial applications for compressed fiber gasket material is the ability to withstand high compressive loads. Most industrial gasket applications involve bolts exerting compression well into the 14 MPa (2000 psi) range or higher. Generally speaking, there are several truisms that allow for better gasket performance. One of the more tried and tested is: "The more compressive load exerted on the gasket, the longer it will last".



There are several ways to measure a gasket material's ability to withstand compressive loading. The "hot compression test" is probably the most accepted of these tests. Most manufacturers of gasket materials will provide or publish the results of these tests.