Does anyone know what the ratio should be for a 1982 Johnson Seahorse 90 HP?
Medic4040 Seaman Joined Jul 14, 2008 Messages 50 Jul 9, 2009 #1 Does anyone know what the ratio should be for a 1982 Johnson Seahorse 90 HP?
david_r Lieutenant Junior Grade Joined Aug 11, 2008 Messages 1,118 Jul 9, 2009 #2 Re: 1982 Johnson 90 HP gas/oil ratio 50:1 if you are runnin pre-mix use tc-w3 oil only no chainsaw or weedeater oil......it has to be for water cooled engines. i prefer penzoil synthetic.
Re: 1982 Johnson 90 HP gas/oil ratio 50:1 if you are runnin pre-mix use tc-w3 oil only no chainsaw or weedeater oil......it has to be for water cooled engines. i prefer penzoil synthetic.
