FORUM RULES UPDATED - The forum rules have been updated to continue to provide a friendly and safe environment for our member community. Please take a moment to review the updated rules and our terms of use and privacy policy. Click here for Forum Rules which has links to the 'terms of use' and 'privacy policy'.
I just rebuilt the fuel pump on my '81 90 hp merc and I'm still not getting it to work. I can get a strong flow from the line coming out of the fuel pump when I squeeze the primer bulb but only a tiny trickle when I try to start the motor. Compression is good on the cylinders. I do have some...
I have a 1981 90 hp Mercury outboard. When I bought it, it had been left out in the elements for 3 or 4 years. I have had the lower unit serviced and have myself replaced the spark plugs and one switch box which a trusted mechanic told me was faulty. Now the motor will crank but it won't start...
