I need help ! This one's got me baffled. I bought<br />an older Wellcraft boat in the spring equipped with a 1987 Yamaha 200 HP , model 200ETXH, ser.#<br />7176A787. The motor starts very easily. Up to<br />about 2800 rpm it runs great. Then things start<br />to happen. Above 2800 rpm and up to...
