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    4 Stroke 9.9 Yamaha Problems Fuel System

    Have a 9.9 Yamaha 4 stroke high torque model number: FT9.9EXH the H makes it a 1987. Symptoms: Stalls after a few (2-3 minutes of running). Attempts so far: Cleaned the carburetor, took of the bowl and sprayed it with carb cleaner. Took our the main jet and cleaned it also very gently with a...
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    4 Stroke 9.9 Yamaha Problems

    oldiron52. What service manual, if any, did you end up getting and where? I have the same engine FT9.9EXH serial no 781550 25 inch shaft high thrust which has been working fine for the most part until recently. I have not owned this very long and have to go through it this winter and tighten...
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