I have a 90 hp 1992 Johnson on an 18ft boat. Starts fine and idles fine but when I try to hit the throttle and accelerate it is very sluggish. After about a 30-45 seconds of increasing/full throttle, it will plain and get up to speed, but no chance of yanking a skier out of the water. Any idea why I don't get an initial full thrust? Carbureator/propeller/fuel line/filter/squirt thingy? I'm a little new at this boating stuff and in addition to not knowing a whole lot about my boat, I don't know how to spell half these words.
