Search results

  1. I

    1978 Merc 9.8 hp - Top Cylinder not working

    Re: 1978 Merc 9.8 hp - Top Cylinder not working Thanks for the quick reply, emckelvy. I did what you suggested and switched the coils around. I won't be able to test it until tomorrow after work (my son had my truck tonight, so I couldn't launch the boat). I took pictures of what I found...
  2. I

    1978 Merc 9.8 hp - Top Cylinder not working

    Hello Everyone, New user to these forums. I just purchased a used 1978 Merc 9.8 hp Model 110. When I purchased the motor, both cylinders fired perfectly. However, once I brought it home the top cylinder refuses to work. There is plenty of spark, and compression (~120psi). I switch around...
Top