motor oil in bike?
10-11-2002, 05:03 PM
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motor oil in bike?
Is it ok to use car motor oil in a bike with a wet clutch?
When I'm at the local Kragen, the valvoline 10w40 4-stroke motorcycle oil I'm using is 2.99 a quart. A few bottles over is Castrol GTX 10w40 for cars, and that's only 0.88 a quart. The difference is noticeable and could have very well paid for a quick stop mickey d's. I searched around and people seem to have mixed feelings on the subject. What do you guys think?
When I'm at the local Kragen, the valvoline 10w40 4-stroke motorcycle oil I'm using is 2.99 a quart. A few bottles over is Castrol GTX 10w40 for cars, and that's only 0.88 a quart. The difference is noticeable and could have very well paid for a quick stop mickey d's. I searched around and people seem to have mixed feelings on the subject. What do you guys think?
10-11-2002, 07:46 PM
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Re: motor oil in bike? (itr501)
Um guys, if the API and SAE match manufacturers specs then its fine. All the big names will hold up well enough so go w/ what you please. I'm generalizing but most "motorcycle" oil produced by big names are just another marketing name for the same formula w/ at most a different amount of additives. Probably more detergent agents due to the high revving nature. Thermal breakdown and such would be the same as the standard base formula. This is for 4 stroke only of course. All that said, I'd prefer valvoline over castrol but at that price I might not. Then again you should be able to get valvoline 10w40 for a little less than $2 a quart. Try shopping elsewhere than kragen
10-13-2002, 08:32 PM
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Re: motor oil in bike? (itr501)
i always use the manufactures sugested oil like honda gn4 20w 50 for a honda cbr900rr. oil does not cost that much so why not by the right stuff.
10-15-2002, 02:33 PM
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Re: motor oil in bike? (xThexHeadx)
Only a few car oils are suitable, those with no friction additives. If it has Moly in it, it is not suitable for a bike and will, down the road, cause premature clutch slippage/failure (not if you have a Duck though!). Synthetic with no additive is fine.
Basically repeating what is known in the MC community.
[Modified by Dropping_By, 11:33 PM 10/15/2002]
Basically repeating what is known in the MC community.
[Modified by Dropping_By, 11:33 PM 10/15/2002]
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10-17-2002, 12:16 PM
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Re: motor oil in bike? (xThexHeadx)
"What do the friction additives do for the automobile motors? i.e. why do they add them?"
I have no idea what they do in a car, but in a bike with a wet clutch the oil is used by both the clutch and the engine.
I have no idea what they do in a car, but in a bike with a wet clutch the oil is used by both the clutch and the engine.
10-17-2002, 12:19 PM
#11
What is this crap?
Re: motor oil in bike? (Dropping_By)
but in a bike with a wet clutch the oil is used by both the clutch and the engine.
10-21-2002, 07:53 AM
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Re: motor oil in bike? (itr501)
I use mobil 1 car oil and have for the past 10 years with no ill effect.. and it is a lot cheaper then mobil 1 motorcycle oil, just don't buy cheap oil and you shouldn't have any problems...
10-24-2002, 04:48 PM
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Re: motor oil in bike? (busa1300)
ive tried a couple of different oils, and some seem to not match my bike. for sure, my bike hated castrol (shift misses), but once i changed it to penzoil, it loved it. soo much smoother. thats for engine oil
for 2-stroke oil i use Honda GR2 or Castrol 2TS or something like that.
GR2 seems to be the best for all bikes even on a kawasaki and yamaha.
for 2-stroke oil i use Honda GR2 or Castrol 2TS or something like that.
GR2 seems to be the best for all bikes even on a kawasaki and yamaha.
10-25-2002, 04:39 AM
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Re: motor oil in bike? (boostn5Ghaba)
mobil 1 is synthetic as far as what weight I use 10W-30 (most of the time) or 10W-40. Synthetic oil keeps it viscosity a lot longer exspecially in the High reving motor in motorcycles. Standard dino oil looses it viscosity farly quick in a motorcycle. There is little differnce between the Mobil 1 car oil and the Mobil motorcycle oil other then the price. Some people argue this but I have seen indepandant sudies involving both and many other oils. Mobil 1 car and motorcycle oils finished within 10 points of each other on the scale used at around 500 and 512 . So the 10 points dont mean that much at least not worth 4 to 5 dollars a quart more.
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