XTZ660 3YF of 1992 : bought in 1995 with 11.000 km [??] always consumed a lot of oil, opened at 50.000 km., replaced piston [1st oversize] and found the cause : the 3rd inlet valve stem seal. Forgot to replace the cam chain. Will do it now at 80.000 km.
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Fred, XTZ660, Holland.
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Fred, XTZ660, Holland.
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