How many RPMs should i expect when i accelerate to try to get on plane? With the motor trimmed all the way down and going full throttle im seeing 3000 rpm. and wont plane at all. Ive had this boat since 2007 once in awhile ive hand to have my passenger move toward the front to lessen the load in...
I posted a video how this motor in surging at wot. I placed in a tub so I could hold some rpms on this motor and watched the carbs with the airbox cover off and found a problem. The middle and the bottom carbs were really wet in the front and when you get the butterflys open i noticed fuel...
Ok second post on this motor. When i got this boat it was running really bad and surging/boggin down at all speeds above idle. All cyls above 100 compression and all within a few psi of each other. List of new parts;
spark plugs, spark plug wires, power pack, one coil replaced, rectifer...
Hello all, I just purchased a pontoon with a 87 70hp johnson outboard. This was suppose to be a good running boat, ran fine on the muffs, but the first run out it couldnt get above idle without surging and if you try to go wot, it died. I did some research on past threads and rebuilt the carbs...
