69 EVINRUDE 40HP LOSES POWER

[RSMITH66]

MY ENGINE DID RUN ABOUT 22MPH AT TOP SPEED. NOW IT ONLY GOES ABOUT 7MPH AT TOP SPEED. WHAT MIGHT CAUSE THIS?

 

[alcan]

Re: 69 EVINRUDE 40HP LOSES POWER

hi Rsmith<br />Your motor is probably running on one cylender only. Test for compression. Then test for spark. Let us know what you find and we can go from there.