Do you use same oil in Engine, tranny, and primary?
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6th Gear
Joined: May 2009
Posts: 14
Likes: 0
From: McCrory, Arkansas
Do you use same oil in Engine, tranny, and primary?
I was told that you can use the same oil in the engine, tranny and primary??? Is this true? I know it doesn't sound right but a harley guy told me this. I know its a dumb question but I have to ask.......
Elite HDF Member
Joined: Sep 2008
Posts: 4,440
Likes: 148
From: Northwest
The basic answer is 'yes'. That will "work" in all three holes.
Is it the best for all three holes, each with different lubrication needs? No.
The engine has high heat and bearing loads, the tranny has high surface loads, and the primary has a chain but also the wet clutch.
I've tried HD's Syn3 in all three holes, and it sucks! Sounds like I have marbles in the engine.
Just because it has been posted to death and up and again, just suffice it to say choose a good name brand oil, for the specific mechanical application.
Added:
Just for ***** and giggles: I currently use Mobile-1 Vtwin 20/50 in the engine, Redline heavy duty shockproof in the tranny, and B&M Trickshift in the primary.
Is it the best for all three holes, each with different lubrication needs? No.
The engine has high heat and bearing loads, the tranny has high surface loads, and the primary has a chain but also the wet clutch.
I've tried HD's Syn3 in all three holes, and it sucks! Sounds like I have marbles in the engine.
Just because it has been posted to death and up and again, just suffice it to say choose a good name brand oil, for the specific mechanical application.
Added:
Just for ***** and giggles: I currently use Mobile-1 Vtwin 20/50 in the engine, Redline heavy duty shockproof in the tranny, and B&M Trickshift in the primary.
Last edited by archergodwin; Jun 28, 2009 at 08:40 PM.
Road Warrior
Joined: Apr 2008
Posts: 1,998
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From: Central Ohio
+1... except I don't know what "N" is.
Ultimate HDF Member
Joined: Apr 2008
Posts: 5,384
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From: Out on Deranged
"N"eutral,,anyway no I don't use the same oil I keep buying new stuff!
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