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Old 01-02-2009, 02:53 PM   #10
itstheburns327
Not Yet Wild
Mixed Breed
 
Join Date: Sep 2008
Location: Moscow, PA, USA
Posts: 67
Default Re: Blown out crank seal again and again

on the 2 strokes is there is a "window" on the piston. this must face oposite side of the exhaust. this acts like the valve for the intake mixture. when the piston goes down, this window lines up with the port on cylinder head and allows the mix to flow into the cylinder
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