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compression

  1. GC 135 engine had broke exhaust valve

    Small Engine Repair 4-Cycle
    My GC135 engine had the exhaust valve head break off. I torn engine down and the only damage appeared to be a few dings in the piston head so I replaced the exhaust valve and reassembled the engine. Now it won't start. It tries to but seems as though it doesn't have enough compression to...
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