weird discoloration on shaft after running

turbocorrado

Petty Officer 1st Class
Joined
Aug 14, 2013
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251
motor is a 1992 evinrude 15 hp i took it out on the first long run since ive owned it, a 5 hour day, about 3 or so actually running. when i came home i noticed this discoloration that wasnt there before. im assuming its a leak of somesort, anyone have an idea??

 

Bosunsmate

Admiral
Joined
Apr 7, 2012
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6,135
is it oil?
if so check your gear box oil level.
glad to see pictures are able to be uploaded again
 

Bosunsmate

Admiral
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Apr 7, 2012
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6,135
Its a bit odd not being oily as it looks to be coming out the little overflow hole in the middle of the LU too.
It doesnt look like gear oil colour or unburnt two stroke colour but you never know, i had some red colour stuff the other year
 

turbocorrado

Petty Officer 1st Class
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Aug 14, 2013
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it permanently discolored the paint where it leaks. its def not gear oil as thats the extension piece since its a long shaft motor, and there is no way the gear oil could make it all the way up that high
 

Bosunsmate

Admiral
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Apr 7, 2012
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6,135
it permanently discolored the paint where it leaks. its def not gear oil as thats the extension piece since its a long shaft motor, and there is no way the gear oil could make it all the way up that high


Maybe not, but at high rpm the driveshaft would fling stuff up quite high if the seal went, the waterpump would also get some in there which would go into the engine and come down the leg again.
id check that oil level to be safe
 
Joined
Feb 17, 2012
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hard to tell from a picture but it looks like its been spray painted with a cheap black and a gas leak has run under the motor down the inner leg until it hit the joint then it ran on the outside of the leg removing the paint
 

Silvertip

Supreme Mariner
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Sep 22, 2003
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28,771
Lower unit was primered with a green primer (or it had previously been painted green) and then repainted black. Nothing wrong here other than a bad paint job.
 

turbocorrado

Petty Officer 1st Class
Joined
Aug 14, 2013
Messages
251
hard to tell from a picture but it looks like its been spray painted with a cheap black and a gas leak has run under the motor down the inner leg until it hit the joint then it ran on the outside of the leg removing the paint

yeah, i just showed a guy at west marine while i was buying some repair parts and he said it looked like someone put the wrong paint on it. and i also discovered that the guy i bought it off of had the plugs in there only hand tight, so some gas leaked out from the plugs and ran down the engine :facepalm: i was able to turn them 1/4 turn by hand when i just checked them
 
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