C copman250 New Member Apr 18, 2010 #1 i have a 79 sportster ironhead 4 speed and i need to know what type of oil to use and the viscosity...thanks
i have a 79 sportster ironhead 4 speed and i need to know what type of oil to use and the viscosity...thanks
J Jack Klarich Guest Apr 18, 2010 #2 copman250 said: i have a 79 sportster ironhead 4 speed and i need to know what type of oil to use and the viscosity...thanks Click to expand... I would run 50 or 60 H D in that one
copman250 said: i have a 79 sportster ironhead 4 speed and i need to know what type of oil to use and the viscosity...thanks Click to expand... I would run 50 or 60 H D in that one
C copman250 New Member Apr 18, 2010 #3 if im not mistakin the primary case, engine and trans use the same oil in these ironheads correct?