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The ATHENA S410270006081 cylinder base gasket is designed for KTM ADVENTURE 990 from 2006 to 2013. The base gasket seals between the cylinder and the crankcase. Its thickness matters: it sets the height of the cylinder, and therefore the squish, the compression and, on a two-stroke, the port timing.
Every time the cylinder is removed: a crushed base gasket can't be reused.
Athena, an Italian company founded in 1973 near Vicenza, designs gaskets, pistons and cylinder kits for motorcycles. An OEM supplier to KTM, Ducati, Fantic, Piaggio and Triumph and a partner of the MXGP world championship, it develops its parts on the test bench and on the track with racing teams.
Which thickness should I choose?
The same as your original gasket, unless you are deliberately adjusting the squish.
Should the other gaskets be replaced?
Yes, as soon as the cylinder is removed: a top end gasket kit includes all the gaskets that need replacing.
Check the exact model and year of your bike in the list below before ordering.
Fits:
KTM ADVENTURE 990 2013
KTM ADVENTURE 990 2012
KTM ADVENTURE 990 2011
KTM ADVENTURE 990 2010
KTM ADVENTURE 990 2009
KTM ADVENTURE 990 2008
KTM ADVENTURE 990 2007
KTM ADVENTURE 990 2006
Click on your bike to see all compatible parts.
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