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Air-cooled engine question? (Read 598 times)
batman
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Re: Air-cooled engine question?
Reply #30 -
09/04/17 at 17:32:43
5w -40 Rotella T-6 is not to light an oil for use in your bike 5w is tested to still flow at -25 degrees, 10w at -20 ,15w at-15 degrees .I don't feel that many of us will be starting our motors at these cold temps, but the fact that a 5w oil will be thinner at cold start up means that the motor runs "dry" for a shorter time before oil starts flowing through the oil passages ,that lessens wear and allows the oil to warm faster.If this oil is good enough for diesel tractors ,bulldozers and the like ,in cold weather ,why would you think it's to "thin" for our use.
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cygnet
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Re: Air-cooled engine question?
Reply #31 -
09/04/17 at 19:56:23
I agree the thinner the better in the cold, and 40wt is all we need in hotter temps sounds like 5-40 is a perfect oil for us, that's what I use.
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Dave
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Re: Air-cooled engine question?
Reply #32 -
09/05/17 at 05:14:16
Gary_in_NJ wrote
on 09/02/17 at 11:56:35:
I didn't get the full synth T-6 because it only comes in 5w-40. That's too light for our bikes. In the future I'll just stick to the T-4 Dino.
The "40" rating is done at 210 degrees - so at engine operating temperatures, the 5w-40 and 15W-40 are both operating as "40 weight" oils....there shouldn't be any difference.
At "winter" temperatures - the 5W rated oil does not cause as much drag as the 15W rated oil. This could be a concern if you leave your bike outside when it is 10 degrees - but for us warm weather riders it isn't of any concern. The weird part is the testing doesn't actually give you a cold temperature where the testing is done...so I don't know if that is at 10 degrees....or -10 degrees!
http://www.upmpg.com/tech_articles/motoroil_viscosity/
Here is what Suzuki recommends for the Savage.....and it really doesn't matter to me if the 'W" number is 15, or 10....or 5 as I will never be riding at temperatures where that has any affect. The numbers on the chart tell me that Suzuki has not included any synthetic oils - as the synthetic oils generally have a much wider range between the numbers (5W-40, 5W-50). (Mobil1 appears to limit the ratings on their synthetic oil to the numbers listed in the owners manuals (0W-20, 5W-30, 10W-40, etc) to avoid confusion about what oils can be used in your engine.
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Gary_in_NJ
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Re: Air-cooled engine question?
Reply #33 -
09/05/17 at 05:38:25
Alright, I'm convinced....T6 it is then.
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Dave
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Re: Air-cooled engine question?
Reply #34 -
09/05/17 at 13:46:54
I was not trying to talk you into a synthetic.......I am perfectly happy with the Rotella 15W-40 oil, and I really doubt that I will every wear an engine out while using it. Unless I start riding more than 3 or 4 thousand miles a year - I will never get the kind of mileage it takes to wear out a motorcycle or car in what is left of my lifetime.
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justin_o_guy2
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Re: Air-cooled engine question?
Reply #35 -
09/05/17 at 15:34:37
Ah din Git T6. Ah got T4.
Izzat coo, er do ah needs to add sumpn'?
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The people never give up their liberties but under some delusion.- Edmund Burke.
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DieselBob
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Re: Air-cooled engine question?
Reply #36 -
09/06/17 at 16:18:36
JOG, I'll confess that the only foreign language I took was the requisite 2 years of French. However, I did read the book "How to Speak Texan". But, after 40 years the only phrase I retained was "tar arn". Which roughly translates in English to something like "tire iron." Do East Texans speak the same language as the rest of Texas?
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justin_o_guy2
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Re: Air-cooled engine question?
Reply #37 -
09/06/17 at 16:28:31
Hayull Naw
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The people never give up their liberties but under some delusion.- Edmund Burke.
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Dave
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Re: Air-cooled engine question?
Reply #38 -
09/07/17 at 03:26:18
Dijid ya eet yet?
Naw.....didju?
Dijwan 2?
Awwright!
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justin_o_guy2
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Re: Air-cooled engine question?
Reply #39 -
09/07/17 at 06:54:02
I've met people I literally couldn't understand. The worst was a college student from Chicago. Regional dialects and colloquialisms can sure be confusing. The English as a second language crowd must be uncomfortable as heck.
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The people never give up their liberties but under some delusion.- Edmund Burke.
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Fast 650
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Re: Air-cooled engine question?
Reply #40 -
09/07/17 at 11:43:16
Dave wrote
on 09/07/17 at 03:26:18:
Dijid ya eet yet?
Naw.....didju?
Dijwan 2?
Awwright!
That is easy. Now, rural Ky near the TN line is where it starts getting interesting. The word pronounced like "flair" could mean the small blooming plants around your house, or the white powdery substance mixed with milk and eggs to make dough, or it could mean those little sticks that you light and put down behind your vehicle when it breaks down on the road. And all words that end with a vowel are pronounced as if they ended with a "y". Like tobacky for instance.
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batman
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Re: Air-cooled engine question?
Reply #41 -
09/09/17 at 22:26:07
Dems peepulls mite be dain bramaged.
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LANCER
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Re: Air-cooled engine question?
Reply #42 -
09/10/17 at 04:17:53
batman wrote
on 09/09/17 at 22:26:07:
Dems peepulls mite be dain bramaged.
Wahhaaa ?
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Dave
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Re: Air-cooled engine question?
Reply #43 -
09/12/17 at 03:57:10
Gary_in_NJ wrote
on 09/05/17 at 05:38:25:
Alright, I'm convinced....T6 it is then.
I spent the weekend with MMRanch.....a long time T6 user. He reported that after years of using it - he started to get clutch slippage - Oldfeller reported the same issue earlier this year.
It may be that the new formula for T6 has too much Moly in it for wet clutch use.....I am going to start a separate thread to discuss this issue, and make some "forum opinion" on keeping the T6 on the recommended oil list.
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