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  1. M

    9.9 yamaha 4 stroke smokes

    I have a 9.9 4 stroke yamaha from day 1 this motor has smoked for 10-15 seconds on a cold start. dealer has adj. carb. and it still smokes if I let it sit for 5-6 hrs.By smoking Imean a big cloud of smoke.After it stops,motor seems to run fine.Could be because the rings didn"t seat right...
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