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Old 06-14-2012, 04:11 PM   #21
maR1k
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seen a couple w/ the slipper clutch go, the oil they were using was to thin. Dont know what else aided it but it def didnt help
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Old 06-14-2012, 04:14 PM   #22
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Not trying to argue but viscosity "thickness" may have been the issue. Has nothing to do with moto specific vs. non.
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Old 06-14-2012, 04:32 PM   #23
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Yeah no big im not an oil expert, just picked up on some things, no arguement here.

I just know most car oils have friction modifiers that bond to the clutch plates and make the clutch extra slippery, the wet clutches will end up burnt out. Most car oils are not meant for the 6000-14000 rpm range and compression ratio that bikes have. There is prob a more intelligent way of describing it but thats my best lol

but again not arguing bud
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Old 06-14-2012, 04:33 PM   #24
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I've seen it at Wally Martinez (wal-mart)
I only use motul ester..that's all my bikes see, im doing my oil change tomorrow, the oil still looks good and clean.. kinda greenish film since fresh still held after 4600 miles, I'll stretch a little longer next change as I always use k&n filters (air & oil)
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Old 06-14-2012, 05:30 PM   #25
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Royal Purple makes oil for motocycles , that is what I use.
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Old 06-14-2012, 05:36 PM   #26
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Quote:
Originally Posted by murderedout07 View Post
Just a heads up everyone AUTOMOTIVE oils has detergents in them that tend to effect the wear, and performance on wet clutches. They also lack the anti foaming agents needed for our hi revving engines. So at 11,000rpm inestead of your cams recieving a steady stream of oil to the journals, your getting churned up oxygenated oil to vital engine parts.

Somthin to think about.
Thanks for the tip that not everyone realizes. I thought automotive oil was just fine before I researched the differences. I'm using Mobil synthetic for motorcycles. My ZX6 redlines at 14K and definitely run it up close to that on the track - I'm not sayin' anything about the street.
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Old 06-14-2012, 07:28 PM   #27
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Quote:
Originally Posted by KEITH HUBBARD View Post
2 wheel toyyz carries it , I just had my oil changed on my VsTAR TO ROYAL PURPLE 20-50 Syntheic .
Thanks for the heads up
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Old 06-14-2012, 08:00 PM   #28
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hmm i have used regular castrol 20w-50 in all my bikes for years and have never had an issue out of any motor or clutch. insides still look clean and new. so the argument that regular oil is no good for motorcycles is complete bs
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Old 06-14-2012, 11:15 PM   #29
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All I hear is blah blah blah Im a Dirty Tramp........... lol
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Old 06-15-2012, 08:40 AM   #30
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Synthetic is bad for slipper clutches ex. (09-12) R1's

oils that have friction modifiers are bad for all moto clutches.
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Old 06-15-2012, 08:41 AM   #31
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Quote:
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Thanks for the heads up
no problem , great guys over there too.
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Old 06-15-2012, 08:43 AM   #32
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Quote:
Originally Posted by maR1k View Post
Synthetic is bad for slipper clutches ex. (09-12) R1's

oils that have friction modifiers are bad for all moto clutches.
All oils have some sort of "friction" modifiers and there is page after page of this back and forth all over the net. Page after page also fails to PROVE any negatives as a result of non moto oil being used.
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Old 06-15-2012, 08:48 AM   #33
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oh well no big deal, its all opinion in this case i guess.

https://www.yamahagenuineparts.com/y...eFactSheet.asp
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Old 06-15-2012, 08:52 AM   #34
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Look at Rotella. It was not labeled for moto use and then it WAS. It's still a non moto specific oil. They didnt change it at all. They just went through the trouble of getting it labeled. They found it was being used extensively for motorcycles and decided it was time to get the label changed. Presto chango!
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Old 06-15-2012, 08:54 AM   #35
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Cool stuff
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Old 06-15-2012, 08:55 AM   #36
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Quote:
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oh well no big deal, its all opinion in this case i guess.

https://www.yamahagenuineparts.com/y...eFactSheet.asp
I'm shocked at they only recommend their oil. LOL. They all say this. Look at every other manufacturer. Not one other recommends Yamalube. Just making this point and I'm done with the subject. There is an after market world for a reason. The other works too.
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Old 06-15-2012, 09:02 AM   #37
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yeah aftermarket def works also and so does Suzuki oil i have a squirt of that as well. but yeah im done too Breakfast is ready
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Old 06-15-2012, 10:38 AM   #38
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Quote:
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Look at Rotella. It was not labeled for moto use and then it WAS. It's still a non moto specific oil. They didnt change it at all. They just went through the trouble of getting it labeled. They found it was being used extensively for motorcycles and decided it was time to get the label changed. Presto chango!
In the past, I have used Rotella Diesel Oil in my Mini's and my Hot Rods for years. However, the changes over the last two years or so has caused me to switch to moto specific oils. I will not use the newer auto oils since the EPA has required the ZDDP and ZInc levels to be dropped and this oil CANNOT perform to motorcycle. This is the same issue we have with flat tappet cams and the new oil blends. If you are running auto oil in your bike, you are playing with fire. Here is what happened to me a few years ago.

After 5000 miles and a long night of drag racing my 2000 Bandit 1200, I needed a clutch replacement. Got the new clutch and steels, installed it and the only oil I had on the shelf was some 10w40 Napa (supposedly made by Valvoline), I filled it up took off down the road, made a U and did a hard launch. By the time I got back to the house all of 1/2 mile, the clutch was slipping so bad I had to push it up the driveway to the barn. Pulled the cover off and inspected my nice new clutch to find a nice coating of burnt residue on all of the fibers. Took the fibers and steels out and cleaned them with varsol and carb cleaner, reinstalled with good Yamalube, and repeated the same steps. CLutch lasted another 10,000 miles (with no drag racing ).

I have not used auto oil since.

Botom line, modern car oil sucks. You can thank the EPA, Roller cams, and Catalytic convertors for that. Use Moto-specific oil, in fact, I run Repsol in my Hot Rod.

But what do I know, I am just a random person on the internet...
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Old 06-15-2012, 10:43 AM   #39
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Rotella has a JASO MA rating now just so you know
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Old 06-15-2012, 11:35 AM   #40
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Rotella has a JASO MA rating now just so you know
Good to know! Thanks.
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