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1987 DT200 Piston Rings

chackett

Member
Has anyone replaced the piston rings on a 1980's model Suzuki DT200 / DT150 ?

I have a 1987 DT200 that has lost all compression on 2 cylinders. All others are 105 PSI on the money. I am assuming it's the piston rings.

I was able to get the heads off, but it looks like getting at the cylinders probably requires the whole powerhead to be removed? Anyway, if anyone has any videos or blogs that you think could help me, I'd sure appreciate it.

Thanks!
Chris
 
It is not a ring issue.-----Remove heads and inspect.-----Sounds like it will be an expensive fix.-----Yes remove the powerhead for further work.
 
It is not a ring issue.-----Remove heads and inspect.-----Sounds like it will be an expensive fix.-----Yes remove the powerhead for further work.

Not disagreeing, but how do you know it's not a ring issue? I had the heads off about 3 weeks ago to inspect. Piston heads looked fine, cylinder walls looked good. When you say "inspect" what am I looking for?
 
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