Sooo (skip to valve - for attempts that didn’t help)
First did a sea foam clean. Warmed engine up, Pulled spark plug, sprayed in cylinders, sat for an hour, started & idles, then ran fat idle & sprayed in carb. Repeat 3 times. Hoping stuck valve would free.
Second, did a oil flush. Napa brand...
Thanks for the suggestions
here is my update
Update:
- spark tester flashed same on all 4 at idle and slow throttle up.
- timing was close to 1 ATDC
- put garden hose on hose that comes out of thermostat housing and goes to manifold. I let water run fir 5 min then cranked over a few times. Let...
Had the boat out on the water for 4 or 5 days. Pulled a water skier then went for a boat ride, floated for a while then head back to the dock and would barely get on a plane. Motor sounded different, Motor sounds like it’s bogged down.
Motor starts normal. Sounds different when running. Low rpm...