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Author	Topic:   small crack in propeller housing
will	posted 03-07-2003 01:45 PM ET (US)      I have just noticed a small crack in the propeller housing of my 1990 130hp yamaha. Nothing is leaking and the engine, when last used (11/02), ran very well. What do I do? Should I take the lower unit off and have the crack welded?
dscew	posted 03-07-2003 03:31 PM ET (US)          If you live in the north country and if it had water in it, the winter freeze may have cracked it. Take it to a specialist and have it repaired. They have to know what they're doing or you could be replacing the case. Prop repair specialists may know something about this.
Bajachief	posted 03-07-2003 05:15 PM ET (US)             I have the same thing on a CV85 Yamaha. The cause is the corrosion of the screw in "prop" spacer ring. It corrodes and expands which causes the crack. The way I was told to fix by a couple of mechanics was to get the ring out and then drill a small hole to stop the crack from going further, then I used JB weld to fill the crack and repainted. Seemed to work just fine and since my motor is 1989 I will probably be in the market for a new one soon anyway. Good luck. Chris
Bigshot	posted 03-10-2003 10:50 AM ET (US)             Yup...drill a small hole(if you think you can) and epoxy with JB, should last another 10 years.

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