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Buell Forum » Big, Bad & Dirty (Buell XB12X Ulysses Adventure Board) » Archive through December 15, 2014 » The Useless Turns 90! « Previous Next »

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Archive through November 12, 2014Cyclonedon30 11-12-14  12:29 am
         

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Turf_moor
Posted on Thursday, November 20, 2014 - 04:51 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Steveford, one belt and one set of rear wheelbearings is incredible. Did you grease the bearings? As for the belt, you don't seem to have one of those tensioners from Trojan on it.

What about headrace and swingarm bearings?

I hope my Uly does as well.
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Turf_moor
Posted on Thursday, November 20, 2014 - 04:54 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I should add that I'm a bit surprised the engine is burning so much oil at 90,000 miles. Did you ever run it short of the stuff?
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Etennuly
Posted on Thursday, November 20, 2014 - 10:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Steve, is your oil consumption less in cold weather? When it in warm temps does it disappear out the pipe? Try going with the thicker oils like in the service manual for warmer temps. It made a BIG difference in my City-X.

Two quarts of 20-50 would go away in 500 miles with hot temperatures. HD offered to tear it down to look for a problem under warranty at 10,000 miles. At the advice of their tech, I switched to 50W and then to 60W for hot temps and never lost any more. Or.....dump in a pint of Lucas or STP on an oil change.
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Rayycc1
Posted on Friday, November 21, 2014 - 05:48 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

^^^^ I asked the tech at New Castle HD what to use when i bought my bike...60 weight is what he said so thats what i ran all summer
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Jesse_lackman
Posted on Saturday, November 22, 2014 - 11:21 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Different oils have different volatility, meaning different evaporation rates. Oil consumption can be because of the oil's low volatility parts boiling off at high temperatures. This is an area synthetic oils shine.

http://www.stle.org/UserFiles/File/TLT%20featured% 20articles/November%202005/Volatility_of_engine_oi ls.pdf

http://www.superoilcentral.com/images/mcv-volatili ty-test.jpg

http://www.superoilcentral.com/images/mcf-volatili ty-test.jpg

http://www.superoilcentral.com/images/mcv-volatili ty-test.jpg

Related to this is viscosity stability, or shear stability. This means not shearing down to a lower viscosity during each heat cycle. Shear stability is a 20W-50 oil's ability to continue to be a 50 weight oil at high temperatures no matter how many times it's heated and cooled.

http://www.technilube.com/pics/motorcycle/cyc_20w5 0.jpg
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Jesse_lackman
Posted on Saturday, November 22, 2014 - 11:33 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

You can get an idea how shear stability is tested here;

http://www.astm.org/Standards/D4683.htm

Theoretically a straight weight oil cannot shear because it doesn't have the multi viscosity additive(s) in it. It is the multi-viscosity additive that shears, or loses it's ability to turn a 20W oil to a 50 weight oil as the oil's temperature goes up.

That's how I understand it, I reserve the right to be wrong!
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Steveford
Posted on Tuesday, November 25, 2014 - 06:13 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I'll try to answer the questions.
I haven't pulled the heads yet but it might simply be a valve guide seal which is causing the oil consumption and no, I never ran it really low. I ran through a lot of highway construction so it's possible some airborne grit got past the K&N, too. We'll see.
Temperature doesn't really play a factor into the oil consumption, something is amiss.
I did grease the front wheel bearings twice but one of them pissed out the grease and failed. I think it's probably better for me to just replace bearings every 35,000 miles or so.
All of the other bearings are original.
No belt tensioner, I never saw the need. I ride fast but smooth so maybe that helps some. I WAS expecting the belt to go 100,000 miles but nope.
All in all, it's been a good bike even if it has pissed me off royally a few times. I DO need to relocate the next ECM to under the tail section - putting it where they did is just idiotic.
P.S.
While I'm getting ready to amass the parts needed for the tear down/rebuild I managed to put my name on a 2002 Triumph Sprint with really low mileage. Whoo hoo!

(Message edited by SteveFord on November 25, 2014)
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Uly_man
Posted on Wednesday, November 26, 2014 - 01:31 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

"a valve guide seal which is causing the oil". Yes is and most likely the exhaust if no smoking. I had the same thing with my Yamaha XTZ750 SUPER TEN. No smoke but used oil. I never changed the oil as it just used it all the time. A sort of "total loss" oiling system and that had 70k on it. In the end it was costing way to much to run in parts and gas. It would only do 30 mpg no matter how carefully I rode it. And the rear hub was shot, I twisted the forks twice, it burned a battery each year, blah, blah, etc? Sold it for parts on E-Bay. Great bike though.
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Steveford
Posted on Wednesday, November 26, 2014 - 04:28 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

You get a whiff of that big fat stupid stinking bus smell at start up but that's about it.
We'll see what the innards look like during tear down; if I get lucky it might just be new valve guide seals and back on the road it goes (with a new, relocated ECM and muffler).
I'd be surprised if the cylinders aren't scored, though, with all of the road construction it's ridden through.
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