where we could go with this lol
Difference between primary and engine for lube
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Novice
Joined: Jan 2013
Posts: 18
Likes: 0
From: Alberta, Canada
Difference between primary and engine for lube
Ive read a lot on what oil to use for which, a lot of guys are using the same for all 3 holes, some guys buy 3 different.. My question is what is the difference in your engine oil and primary oil. What kind of oils should they be?
Im running redline shockproof in my trans and most likely mobil 1 v-twin 20 50 but im not certain on what i should put in the primary. What is the "primary" exactly? Just my cluch ?
Thanks guys
Im running redline shockproof in my trans and most likely mobil 1 v-twin 20 50 but im not certain on what i should put in the primary. What is the "primary" exactly? Just my cluch ?
Thanks guys
Road Captain
Joined: Oct 2011
Posts: 523
Likes: 1
From: kingston ontario
lol
oils are widely debated with many different opinions and preferences.
the primary is where you do your clutch adjustment, the big round removable derby cover is the part you remove for this adjustment and also where you pour the oil in after you have drained it. look on the left hand side of the bike.
oils are widely debated with many different opinions and preferences.
the primary is where you do your clutch adjustment, the big round removable derby cover is the part you remove for this adjustment and also where you pour the oil in after you have drained it. look on the left hand side of the bike.
Last edited by goats; May 8, 2013 at 04:10 AM.
Seasoned HDF Member
Joined: Feb 2010
Posts: 5,618
Likes: 5,230
From: Green Country
The owner's manual also answers your question. Anything that meets the recommended specs should be fine. Some use ATF, some use diesel-rated engine oil...and some even use what The Factory recommends; the same for all three holes.
Elite HDF Member
Joined: Dec 2010
Posts: 4,501
Likes: 26
From: Sheboygan,Wi
I have always used the same lube in the engine and primary. A for the gearbox I have always used a heavier gear lube like Redline or Amsoil.
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Cruiser
Joined: Aug 2012
Posts: 222
Likes: 1
From: Northern VA
My flavor choices. The Tranny juice really smoothed out the shifting as many will attest to.
Mobil 1
V-Twin 20W-50 in thecrank
Amsoil
75w-140 Severe Gear in the trans
10W-40 MCF in the primary
Mobil 1
V-Twin 20W-50 in thecrank
Amsoil
75w-140 Severe Gear in the trans
10W-40 MCF in the primary
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Road Master
Joined: Aug 2010
Posts: 1,067
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From: New Hampshire
All Mobil 1
V-Twin 20W-50 in the crank
75w-90 Gear Oil in the trans
(I live in New England, you may want a thicker oil where you live)
Racing 4T 10W-40 MCF in the primary
There is a reason for three holes and an oil for each hole. That is not to say you can't put the same oil in each, many people do, I just don't agree with them.
V-Twin 20W-50 in the crank
75w-90 Gear Oil in the trans
(I live in New England, you may want a thicker oil where you live)
Racing 4T 10W-40 MCF in the primary
There is a reason for three holes and an oil for each hole. That is not to say you can't put the same oil in each, many people do, I just don't agree with them.