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OT Johnson Boat motor

M

molinebob

Member
Hey all, been working on my boat now for some time, finally decided to find another out board motor for it, found one that runs like a top, few years older than what I have, Mine is a 1976 75 horse johnson, mechanical shift, the one i found is a 1971 60 horse according to the data tag on the transom mount, only thing different is its electronically shifted, I got the whole boat for nothing for the motor, so i have the controls and all, only problem with it is that it is stuck in forward gear, took a closer look at it tonight and noticed there is a crack in the lower unit, which in turn dropped all of the lower unit grease, question is can the crack be sealed up some how with jb weld or something and hold up, its cracked all the way around the front of the lower unit...thinking if i can get it sealed up and filled up with grease and see if it will shift...I didnt run it but for what little bit i ran it on the ears to see if it would run..and in turn will it hld up to the pressure while running it on the lake with jb weld? Thanks for any and all help..Bob
 
your unit was probably leaking and filled up with water- froze....need to always check your lower unit for water before the first hard freeze
 
ive seen them welded and machined back down,i would seriously try to find a replacement myself though,probably be cheaper in the long run.
 
Go to the iboats.com site and look down the Forums to engine maintenance then on down to OMC. Plug your question in there and get plenty of answers from the pros.

Mark
 
yep I always do that, but this is a motor I picked up a week ago hoping for a bolt on swap and turning out to be a night mare...
 
I don't know if this helps or not, but I had a similar ---electric shift---and it was designed to be in forward gear when no voltage is available
Dead Battery??????--you could still operate.
 
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