I have 24 foot pontoon boat with a 1998 75 HP Force. The motor starts and idles well and runs well up to about half throttle. When giving more throttle, motor acts like it's running out of gas then catches up, going up and down in RPMs. If you pump the bulb when this happens, it will maintain...
i have a force 75 hp on a pontoon boat .first ten minutes in water ,runs fine ,above half throttle while riding along then rpms go way up like something is slipping i have replaced prop with brand new prop,still same problem please help !
