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take the spark plugs out and it will most likely turn over, let it rotate until it spews very little liquid

1) test procedure for compression should include adding a table spoon of oil in each plug hole, then rotating engine for about 10 seconds. wait 15 minutes and then retest both cylinders without spark plugs installed. 140 psi is the minimum. the reason for the oil to free up any stuck piston...

Go slow, one issue at a time, I have the same ski and had a hard problem also. There is great help here and not so good. I used a vacuum pump with a clear hose to eliminate the fuel circuit by connecting the supply hose and return hose to the vacuum pump. Looking for flow issues and bubbles in...

thanks great advice, i was able to clear it using ultrasonic and then 40 psi air pressure. i was wondering about the carburetor settings HS at 0 and 1/4 for pto? LS at 1 1/4 on both. If you set both at or near zero what is the point?

The pto carb fuel return port is blocked, is that NORMAL? I cannot clear it out with carb cleaner or compressed air, should I drill it out or could it be the restrictor???