Confused about oil viscosity!
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Tourer
Joined: May 2008
Posts: 350
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From: El Paso, TX
Confused about oil viscosity!
Oil viscosity, I don't know too much about the oil and viscosity, with that being said what is the best oils weight to use as far in all 3 holes? I seen on different threads that some are using 20w50 in engin which seems to be standard but for primary and trannies some are or using 75/140, 85/140, 75/90, so what do you know what is best for your ride, I guess it depends on what part of the county you ride in? For riding in the west to southwest which is better?
Road Warrior
Joined: Apr 2009
Posts: 1,757
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From: Northern Illinois
You will get many answers regarding this topic, but I would say it is a matter of preference. I run a 20w50 syn in all three holes and always have, never had any issues and I have 30k on the clock.
Road Warrior
Joined: Sep 2005
Posts: 1,942
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From: guntersville, al
it has been stated in oil studies that the actual viscosity of the gear oils 75W90 and others are really about the same as the 20W50 engine oils. the difference is to prevent accidently putting gear oil in an engine.
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Tourer
Joined: May 2008
Posts: 350
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From: El Paso, TX
Was almost afraid to ask, but it was killing me.....I'm using syn3 in all 3 holes, but noticed tranny clunk pretty loud when I put it 1st gear, so I thinking about switch out the oils!!
Road Master
Joined: Feb 2008
Posts: 770
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From: Western, KY
Yes, there is Mobil 1 synthetic for motorcycles. You can find it at Autozone and other parts stores.
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Road Warrior
Joined: Jun 2007
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From: Here
Oh man... you just had to mention "clunk" didn't you? j/k
Yeah, everybody has an opinion on it. For my money it's engine oil in the engine, gear oil in the trans, and many choices in the primary. I've been using Formula+ in there and like the feel but may try ATF next time since I can't leave anything alone for some reason. I think most will agree that high tech synthetic engine oil in the primary is overkill (especially for the price) and can actually cause or contribute to slipping when hot and sticking when cold which is a large factor in the clunk you hear.
Yeah, everybody has an opinion on it. For my money it's engine oil in the engine, gear oil in the trans, and many choices in the primary. I've been using Formula+ in there and like the feel but may try ATF next time since I can't leave anything alone for some reason. I think most will agree that high tech synthetic engine oil in the primary is overkill (especially for the price) and can actually cause or contribute to slipping when hot and sticking when cold which is a large factor in the clunk you hear.
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Account Retired
Joined: Oct 2009
Posts: 3,245
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From: Here
I don't know if the sale is still on, But Advance Auto is or was having a sale on 20W50 V-twin. A search might tell you. I've read a lot of oil threads on here. I'm changing my tranny to Redline Heavy with shockproof. I had to order it online as well. Ordered from Morethantires 12.95 a quart if you buy 12 you get free shipping. Got that info from a forum member. Great info on here...
Road Master
Joined: Mar 2009
Posts: 762
Likes: 1
Oh man... you just had to mention "clunk" didn't you? j/k
Yeah, everybody has an opinion on it. For my money it's engine oil in the engine, gear oil in the trans, and many choices in the primary. I've been using Formula+ in there and like the feel but may try ATF next time since I can't leave anything alone for some reason. I think most will agree that high tech synthetic engine oil in the primary is overkill (especially for the price) and can actually cause or contribute to slipping when hot and sticking when cold which is a large factor in the clunk you hear.
Yeah, everybody has an opinion on it. For my money it's engine oil in the engine, gear oil in the trans, and many choices in the primary. I've been using Formula+ in there and like the feel but may try ATF next time since I can't leave anything alone for some reason. I think most will agree that high tech synthetic engine oil in the primary is overkill (especially for the price) and can actually cause or contribute to slipping when hot and sticking when cold which is a large factor in the clunk you hear.