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ATHENA offers these valve stem seals for YAMAHA TT 250, TTR 600, XT 250, XT 500, XT 550, XT 600 1980-2002. Each valve slides in a guide. At the top of the guide, a small seal (the valve stem seal) lets through just enough oil to lubricate but stops it running into the combustion chamber.
The benefits:
Athena, founded in 1973 by Giovanni Mancassola near Vicenza and based in Alonte (Italy), designs gaskets, pistons and cylinder kits; it supplies original equipment to manufacturers such as KTM, Ducati, Fantic and Triumph.
Blue smoke on start-up after standing overnight is the typical sign of hardened seals. They are also replaced at every head rebuild, even if they look fine.
Check the exact model and year of your bike in the list below before ordering.
Fits:
YAMAHA TT 250 1984
YAMAHA TT 250 1983
YAMAHA TT 250 1982
YAMAHA TT 250 1981
YAMAHA TT 250 1980
YAMAHA TTR 600 2002
YAMAHA TTR 600 2001
YAMAHA TTR 600 2000
YAMAHA TTR 600 1999
YAMAHA TTR 600 1998
YAMAHA XT 250 1984
YAMAHA XT 250 1983
YAMAHA XT 250 1982
YAMAHA XT 250 1981
YAMAHA XT 250 1980
YAMAHA XT 500 1986
YAMAHA XT 500 1985
YAMAHA XT 500 1984
YAMAHA XT 500 1983
YAMAHA XT 500 1982
YAMAHA XT 550 1984
YAMAHA XT 550 1983
YAMAHA XT 550 1982
YAMAHA XT 600 2002
YAMAHA XT 600 2001
YAMAHA XT 600 2000
YAMAHA XT 600 1999
YAMAHA XT 600 1998
YAMAHA XT 600 1997
YAMAHA XT 600 1996
YAMAHA XT 600 1995
YAMAHA XT 600 1994
YAMAHA XT 600 1993
YAMAHA XT 600 1992
YAMAHA XT 600 1991
YAMAHA XT 600 1990
YAMAHA XT 600 1989
YAMAHA XT 600 1988
YAMAHA XT 600 1987
Click on your bike to see all compatible parts.
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