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  1. J

    Yanmar 2GM20F hard to start.

    I have a Yanmar 2GM20F. About 4-5 months ago the engine became hard to start. Have to give it full throttle for a good 30 seconds to get it to start. But once started it runs fine. So if I flip the decompression lever on the front cylinder it starts up and I can flip it back over and the...