I have a 1989 Four Winns OMC 4.3 that i just bought. When running at any speed less than full throttle, everything works fine, but when running at full throttle, if I press the trim switch (either up or down), the motor cuts out momentarily. As soon as I release the button, it's fine... any...
I have a 1989 4.3 OMC that I need to replace the exhaust flappers on. What I can't figure out is how to get to them! I remove the bolts holding the exhaust manifold to the head, and loosen all the clamps holding the rubber/exhaust parts together, but all I can do then is slightly rotate the...