I have found a 2 cylinder 30 hp for a good deal and i have been looking for one for a while. The owner says the compression is 83 and 89 . Is that ok? Thanks. Ive only been able to find info on 3 cylinders via search. He says it runs great.
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30 hp compression question/advice
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He said his compression tester is real old and he thought he could hear a leak in it. I thought he might just be saying that. But maybee he is telling the truth. He said he is sending me a video if it running.
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That is what i will do. Just making sure the compression wasnt way too low so i dont waste my time going to check it out.
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Those compressions sound pretty normal for a 30, they just need to be with in 10% (ish) of each other and within manufacturers specs (which they are)
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I have a 3 cylinder electric start yamaha, and when using the electric start to test mine i got 105, 107, 107. I've read that pull start will give you a much lower reading.
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