is this normal? 1958 johnson 18hp

henry954

Cadet
Joined
Jul 14, 2013
Messages
26
just removed this. is this normal. white greasy sludge.i just rebuilt lower unit all new seals.and installed 5 inch extension. had to baby her back a ways after I spun my prop hub. now I see all this sludge?IMG_1194[1].jpg
 

Daviet

Fleet Admiral
Joined
Sep 24, 2008
Messages
8,958
Re: is this normal? 1958 johnson 18hp

Looks a little excessive, what oil ratio are you running?
 
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boobie

Supreme Mariner
Joined
Nov 5, 2009
Messages
20,826
Re: is this normal? 1958 johnson 18hp

What temp is the mtr running ??
 

HighTrim

Supreme Mariner
Joined
Jun 21, 2007
Messages
10,486
Re: is this normal? 1958 johnson 18hp

Check the gear oil, is it milky?

That is normal, but quite excessive! 24:1 is enough oil for the FD series. Perhaps running too rich, or poor spark?
 

henry954

Cadet
Joined
Jul 14, 2013
Messages
26
Re: is this normal? 1958 johnson 18hp

ok ok. I was running 20:1 and its suppose to be 24:1. I had it out today full throttle and not a hint of that stuff in my driveway. Looks like it fixed itself woohoo.
 
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