seadoo spdster psi 1998

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    1998 Seadoo Speedster Advice

    Hi guys, Im new to this forum but I have found the information invaluable so far. I have just been to inspect a 1998 Seadoo Speedster with 2 110hp engines.Compression test resulted in 140psi in engine1 and the other was 149psi. I believe this is not bad? My question is; As there is a...