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Old 06-08-2011, 08:18 AM   #31
Homeslice
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I'm guessing the only reason Harley calls for thick oil is because their engine tolerances aren't very tight

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Old 06-08-2011, 08:56 PM   #32
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It could be the air cooled.
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Old 06-09-2011, 12:33 AM   #33
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Originally Posted by Cutty72 View Post
Yeah, mc oil of course.

It's 10-40 in the SV, thats a v twin. What do the new Duc's run? I think HD like the heavy oil cause of the air cooling, and just went with it on the Buell cause they don't know any better... but who knows.
heard something on buelletinboard about running 10-40 in the 1125's
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Old 06-09-2011, 08:52 AM   #34
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Quote:
Originally Posted by Homeslice View Post
I'm guessing the only reason Harley calls for thick oil is because their engine tolerances aren't very tight
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Originally Posted by Gas Man View Post
It could be the air cooled.
I'm with Gas on this - if it were an older Harley I'd say it was due to the tolerances not being very tight (the ol' leaking oil all over story). These days, they seem to be better able to hold their oil; I'd think you would want the heavier oil for the air-cooled engine to prevent hot-spots caused by oil getting heated and being too thin in spots.
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Old 06-10-2011, 10:47 PM   #35
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heard something on buelletinboard about running 10-40 in the 1125's
I need to get back on that site... see if I can find me some info on the valve check/adjustment
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Old 06-11-2011, 07:41 AM   #36
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Quote:
Originally Posted by Particle Man View Post
I'm with Gas on this - if it were an older Harley I'd say it was due to the tolerances not being very tight (the ol' leaking oil all over story). These days, they seem to be better able to hold their oil; I'd think you would want the heavier oil for the air-cooled engine to prevent hot-spots caused by oil getting heated and being too thin in spots.
It's because of their high volume, low pressure system on the sporties. Thick oil works better in that application.

I can't say anything for the evo engines, but I know it's the case with the sportsters, and being a big company I can see them being fine with a "jack of all trades" oil.
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Old 10-11-2012, 08:53 PM   #37
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Anyone ever come across anymore Kawasaki Manuals? I found one for my 12 but now I need on for an 09 250R.
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Old 11-08-2012, 01:12 PM   #38
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Werd... another resource:

http://www.theotherstyle.info/manuals/
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Old 11-08-2012, 04:01 PM   #39
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Beautiful! Thanks man.
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Old 11-08-2012, 04:48 PM   #40
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cool...My manuals folder just got HUGE
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