Gearbox Oil

jughead0691

Cadet
Joined
Oct 25, 2009
Messages
13
Hi all. Could anyone please tell me what grade of gear oil do I use in my 1984 70 hp Johnson gearbox. Thanks.

Cheers,

paul
 

Vic.S

Rear Admiral
Joined
May 4, 2004
Messages
4,690
Re: Gearbox Oil

Its a mechanical shift, not electric, so a Hi vis outboard engine gear oil.
If pushed you could use an EP 90 automotive gear oil but not recommended as it does not contain the extra inhibitors they tell us the outboard gear oil does.
 
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