Over at the Garage There is a whole thread on building bigger engines.
Google side car motocross. That is where the big XS's are used.
Leo
Google side car motocross. That is where the big XS's are used.
Leo
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scabber
XS650 Guru
I rember the pistons were 6 or 7 grams heavy years ago when the kit first came the size of the piston compaired to stock probably true mine runs real smoothe around 3500 RPM I Don't know for shure they are a hell of alot bigger side by side rings ect, don't rember where I read it.
