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Old 03-02-2006, 01:50 PM   #1
skimmilk68
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Default OT Riders: Auto Motor Oil or Motorcycle Oil?

From what I've researched, there really isn't that great of a difference as long as the auto motor oil doesn't have that conservation label on it..


so what do you use?

(no poll.. straight to the point)
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Old 03-02-2006, 01:51 PM   #2
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You know how everyone in Italy rides scooters and motorcycles all over the place? Well, use what they use!

First press extra virgin olive oil!
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Old 03-02-2006, 01:52 PM   #3
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Auto motor oil is very bad for your wet clutch
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Old 03-02-2006, 02:17 PM   #4
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There are formulation differences between oils that work best in either applications. IF you have a wet clutch, you want to avoid oils with Moly lube. Motorcycle oils will advertise this but auto oils may not since it's not a concern there so you may have trouble determining if an auto oil is suitable. Plus, a lit of bikes prescribe 10w40 and the only easily avaialbe remotely synthetic oil i found in that weight was a castrol semi-syn. Probably better off with some Belray or manufacturer brand oil.
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Old 03-02-2006, 02:21 PM   #5
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If you have to ask, do you think you should be riding?

So I push left to turn left?
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Old 03-02-2006, 02:24 PM   #6
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10-40 Mobil

Joe
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Old 03-02-2006, 02:28 PM   #7
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15-40 Shell Rotella
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Old 03-02-2006, 02:29 PM   #8
Gil
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5-30 castrol
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Old 03-02-2006, 02:31 PM   #9
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Belray or Motul is widely carried by any decent bike dealership
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Old 03-02-2006, 02:34 PM   #10
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I use mobil 1 in both my car and bike... I use the car stuff not the bike specific crap...

although I hear the truck and suv is better for both cars and bikes, now if I could only track some down, it's always sold out
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Old 03-02-2006, 02:39 PM   #11
Jimmy S.
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100% honda synthetic bike oil...nothing less for my baby.

-SF
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Old 03-02-2006, 02:40 PM   #12
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Everything I have read on the subject says just what Cosworth said.

As an added note, if you have an older bike I'd stay away from the synthetic oils. I used it in my old 82 Kawi 750 and the clutch slipped on fast starts and it leaked like a damn screen door on a submarine. I asked a bike mechanic at a reputable shop around here about it and he said that the synthetic oil molecules are smaller and thus can fit through spaces that regular oil never did before.


On teh flip side, my father used to use Honda GoldenSpectro synthetic in his ST1100, and both Gold Wings with no ill results.
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Old 03-02-2006, 02:41 PM   #13
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I use a motorcycle specific oil in my XR400r.

It's only $5 a quart. Cheap insurance.
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Old 03-02-2006, 02:45 PM   #14
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i used Mobil 1 in my 92 cbr400rr for a long time and never had a problem.
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Old 03-02-2006, 03:00 PM   #15
skimmilk68
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Quote:
Originally Posted by midnx03
If you have to ask, do you think you should be riding?

So I push left to turn left?
i never asked which oil i should use..

(i use mobil 1 4 stroke synthetic btw)

just wanted to see what the general opinion was on




goodness gracious
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Old 03-02-2006, 03:05 PM   #16
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ahh the great oil debate.

As was said moly is not the best for wet plate clutches.

I use anywhere from 0w30 to 20w50 depending on season/ambient temps.

Since owning bkes I've pretty much used automotive oils and changed fairly often. 1500 to 3000mile intervals. Never had a cluth or engine related problem.
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