Recent content by new2this802

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    91 Yamaha 150 pro V 6 cylinder 2 stroke will not go above 2200 RPM.

    Not getting going above 22000 rpm at full throttle. im looking for a base line as to were to start. i checked the spark and spark is good on all 6 plugs and wires. checked to make sure the butterfly valves in the cabs are fully opening and they are. Is the primer ball supposed to be soft or...
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