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Author Topic:   quick fix on a tough problem?
billster9000 posted 08-15-2002 01:53 PM ET (US)   Profile for billster9000   Send Email to billster9000  
I have a 25 hp. 1983 Evinrude with manual start and tiller steering, no t/t. My guess is that it only has about 50 hours on it since we only use it in the season. A few weeks ago we finally got around to getting the prop fixed but with it off, we used a prop that was just a little smaller for one hour, one day(I noticed towards the end that it would start to slow down like it was getting tired but when I would speed up, it would go back to normal). I got the prop back and put it back on. The next day, I went to start it and the flywheel wouldn't turn, even after we used a ratchet on the the nut. I took it to a local engine guy who I somewhat know and without opening the head,(due to the rust on the bottom bolts) he told me that it was probably the bearings and maybe even the crank shaft. He also put some mystery oil in the spark plug holes and tried again with the nut on the fly wheel. Also, the prop still spins according to the gear and in neutral it spins both ways so we dont think its the lower unit.(although we could be wrong). Also, the motor is definately in neutral, it should spin without the cover on anyway, but it doesn't. The only other thing I noticed was that it became very hard to shift through the gears, especially into reverse. The engine guy said it would cost $750-$1,000 to fix, and since he didn't look inside the head, I don't totally trust him. I should also note that the carbeurator adjustment needle got stripped some how and fell out a month before this. We cant afford a new motor right now and it would cost more to fix it than it's worth. Has this problem ever happened to any of you guys?, is there a quick fix? If not, does that sound like a fair price?
JBCornwell posted 08-15-2002 05:50 PM ET (US)     Profile for JBCornwell  Send Email to JBCornwell     
Sounds like the engine cooked itself (slowed while under throttle) and finally siezed. My guess is that the water pump failed or that the fuel/air mix got too lean. Either is death unless the engine is stopped immediately.

Quick fix? Trade it for a good used one.

Red sky at night. . .
JB :)

Bigshot posted 08-16-2002 12:56 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
50 hours in 20 years?

If flywheel will not pull sounds like she seized. Did you forget the oil in the gas?

The mixture screw would be my guess for seizure being it leaned it out too much and poof! Amazed it ran without the screw though.

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