Search results

  1. S

    can my prop cause this

    I have a 1980 16ft fiberglass boat with a omc 3.0 140 hp i/o in it at full throttle it only revs to 3200 - 3300 rpms there is alot of wake being kicked up behind it and i can't get it to plane out the prop is a 15 x 17 the engine runs great other than low speed and rpms. if you think it could be...
  2. S

    OMC What rpm should it run at

    My OMC only runs at 3000 and it seems it is not running at its full potential, from half throttle to full throttle there is no difference but it idles nice and works great up to half throttle, it's an 1980 carb 2.5 omc and what speed should it go it's in an 16 foot peterbough fiberglass boat.
Top