Post pictures of the cowling.----Start with a compression test on that crossflow !----Post the values here.----These motors are famous for broken rings.-----Motor is 1988 to 94 vintage.----Most parts are the same every year.
Post the compression test values.----Are the fuel jets ( FIXED ) clean ?----Does spark jump a gap of at least 3/8" on all leads ?-----Flywheel key checked ?----Any history on this motor ?
Fellow that I know bought a 1937 Pontiac coupe in 1972.----Paid $150 for it.------Worked in TV rental shop ( remember those ) at the time.----He got lots of chuckles when he brought it home and into the car club.------He found a 64 chevy and took everything off it.---He asked questions and dug...
I have a 2005 Yamaha 4 stroke 90 HP.----Got it free as it was tossed out by Mercury dealer.------Had a 1976 Evinrude 15 dropped off yesterday for parts.---Also free.