Lately my '85 Yamaha 115 has been blowing the 20 amp fuse in the engine when I shut the engine off and then re-start. It seems to blow it when I turn the ignition key to the on position. Does anyone have a solution to the problem? Thanks a bunch!:)
I just let the motor down and when I wanted to tilt it back up all I hear is a clicking sound when I press the button. Where do I look to see the problem? Is the clicking from a solenoid and how can I check the tilt motor? Your help is appreciated.:confused:
I have 2 questions. With a 19 pitch stainless prop what would be the performance difference between a 3 blade versus a 4 blade prop? What are the advantages or disadvantage of a 4 blade against a 3 blade?
The second question is with a 19" pitch 3 blade prop what would be the performance...
Does anyone know the proper height for the motor on a double pontoon boat? I have 23" pontoons and my Yamaha 115HP - 20" shaft cavitation plate is 5" higher than the bottom of the pontoons. Do I need a 25" shaft motor?:confused:
What is the proper height of the motor in reference to the bottom of the hull? Since there are several holes on the motor mounts I know there is a rule of thumb on this height but I could not find it. How many inches below the lowest point of the hull should the props be?
I heard different ways of testing engine compression and now I am thoroughly confused as to the proper method. Can someone walk me through the proper way of testing engine compression on a 1985 Johnson 4 cylinder?:)
My '85 Johnson 90 HP was having problems today with the motor RPM fluctuating. I would be running on WOT for some time and then the RPM's would drop about 1,000 to 1,500 for several minutes and then the motor would again rev back up to WOT. This was going on constantly all day and I was just...
I just bought an older boat with and '85 model Johnson 90hp and my tachometer reads over 7,000 rpms at WOT which would have blown the motor. Before I buy another tach is there anything in the motor that could be causing this false reading or is the problem with the tachometer. The motor runs...
