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stripped_threads

compression testing

18 years ago

Hello,

I read the repair book and still don't know. Can I check the compression on a Tec 5HP Horisontal 1971 or is there a an automatic compression release that renders my reading useless?

I check with the choke and throttle open cranking with the electric start and get 60 psi. What should it be?

I have no real reason to suspect low compression. Seems to have power and run well.

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