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Visionary
Posts: 1340
Gainesville Fl Home of the Gators | Arkainzeye - 2012-05-13 11:38 AM
docvtx - 2012-05-13 10:33 AM
have used lucas 20w50 syn motorcycle oil since 800 mile oil change..............now over 65,000 miles, no problem, lower oil temp by about 20deg
you got LOWER temps from using a thicker oil???? there is a reason why victory decreased the size of their oil coolers. Over cooling is just as bad as oil that is too hot in a engine.. oil needs to reach a set temp in order to "burn off" condensation among other things.
Lower temps are more likely caused by the lack of heat energy to the oil, and a test of the hard parts would most likely show either the same or increased temp. As for oil weight causing any significant change in temp. That is not going to make any difference. Unless the viscosity is dramatically changed to something like 70-90 |
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Visionary
Posts: 3773
Pittsburgh, PA | kevinx - 2012-05-13 6:16 PM
Arkainzeye - 2012-05-13 11:38 AM
docvtx - 2012-05-13 10:33 AM
have used lucas 20w50 syn motorcycle oil since 800 mile oil change..............now over 65,000 miles, no problem, lower oil temp by about 20deg
you got LOWER temps from using a thicker oil???? there is a reason why victory decreased the size of their oil coolers. Over cooling is just as bad as oil that is too hot in a engine.. oil needs to reach a set temp in order to "burn off" condensation among other things.
Lower temps are more likely caused by the lack of heat energy to the oil, and a test of the hard parts would most likely show either the same or increased temp. As for oil weight causing any significant change in temp. That is not going to make any difference. Unless the viscosity is dramatically changed to something like 70-90
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Cruiser
Posts: 208
Edmonton Alberta, Canada | Re: Arkainzeye
2008 Vicotry Vision TP
one other thing, I failed to mention, 5 quarts Amsoil, and Wix filter = $65.00 |
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Visionary
Posts: 3773
Pittsburgh, PA | norcan - 2012-05-13 7:37 PM
Re: Arkainzeye
2008 Vicotry Vision TP
one other thing, I failed to mention, 5 quarts Amsoil, and Wix filter = $65.00
holy crap you pay $15 for oil filter? my napa guy charges $9 a qt for amsoil 10w40 $0.50 more for 20w50 and the filter i get for $7 then since i dont use all 5 qts i save the other 1/2 for the next oil change then i buy 4qts. =) |
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Cruiser
Posts: 208
Edmonton Alberta, Canada | Yes our Canadian dollar is par, however most companies still facter a exchange rate into pricing as does Victory/Polaris! US oilchange kit is 50 -60 and in canada we pay 100! Std replacment windshield is 189 us and 375 Canadian. Our dealers wonder why we complain or shop south of the boarder, I can have it shipped for 40
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Visionary
Posts: 1632
Jasper, MO | Arkainzeye - 2012-05-13 11:22 AM
rdbudd - 2012-05-13 11:08 AM
Hmmm. 71% have had NO slipping with any Amsoil. 29% report issues with the 20W50 MC specific oil. There are 0% with issues with the 10W40 MC oil.
I've had no problems with either the 20W50 or the 10W40, but I don't use the MC oil, using instead the regular Amsoil motor oil, which wasn't an option in this poll. On face value of this poll so far, the only problems reported are with the MC 20W50.
I'm sticking with the regular Amsoil. It's worked for me in Victorys for the past 12 or 13 years.
Ronnie
the reason why the poll was for MC oil is (my guess) mc oil claims to Not slip with clutches.. but you made a even better example. your using oil that not even for a motorcycle so it could very well have friction modifiers and your clutch is NOT slipping.. i personally dont think all of our clutches are the same... yeah same part numbers, but like other peoples vision that have the same part numbers but their parts failed while others have not be it sensors, bearings or what ever..
This has really gotten my curiosity up, since I and many others have used Amsoil for a long time without clutch problems. Amsoil makes a wide variety of lubricants and they are aimed at specific applications or groups of applications. I've been studying the spec sheets.
Amsoil 20W-50 MOTORCYCLE oil is specified for HD, Buell, KTM, Ducati, BMW, Triumph, or any bike that calls for 15W-50 or 20W-50. Victory isn't on that list and calls for 20W-40. Honda, Suzuki, Yamaha, and Kawasaki aren't on the list either. Amsoil points out that this oil has special additives for better performance in air cooled motorcycles that operate at high temperatures, IE, Harley Davidson.
Amsoil 10W-40 MOTORCYCLE oil is specified for Honda, Kawasaki, Yamaha, Suzuki, Husqvarna, VICTORY, or any bike that calls for a 10W-40 or 20W-40.
Amsoil Premium Synthetic, in both 10W-40 and 20W-50 (these are what I have always used) isn't specified for any particular motorcycle brand, but is JASO-MA rated and recommended for, and I quote, "Amsoil Premium Synthetic Oil contains NO FRICTION MODIFIERS, making it ideal for motorcycles, maintenance equipment, and other wet clutch applications. It is formulated to prevent clutch glazing and slippage. It helps to ensure smooth clutch engagement and long term dependability of operation. It reduces clutch wear and extends transmission life".
It 's pretty obvious from reading the applications sheets on all these different types of Amsoil, that the 20W-50 MOTORCYCLE oil is NOT recommended for Victory, Honda, Suzuki, Yamaha, or Kawasaki bikes. The 10W-40 motorcycle, the 10W-40 Premium Synthetic, and even the 20W-50 Premium Synthetic formulations are recommended.
Some folks have just been using the wrong type of Amsoil, in particular the 20W-50MCV, which is aimed primarily at the Harley Davidson market.
Saying that Amsoil, generically, will cause clutch problems is pretty far fetched and short sighted. Especially for those folks who've never used it themselves, but go around repeating the claim anyway. Use the right one and live long and prosper.
Ronnie
Edited by rdbudd 2012-06-20 12:05 PM
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Visionary
Posts: 8144
New Bohemia, VA | Are we having fun yet? rdbudd, you make a fine point. I was using a full synthetic for most of my Vision life but have gone back to a semi-blend. The last full-syn oil I had in the bike was the Rotella T6 5w40. It seem to work very well up until around the 90,000 something mile mark and then I felt a faint clutch slippage. There may have been other mitigating circumstances, but I'm not wanting to put in a new clutch now. I decided to try a semi-blend 10w40 again and it seems to tighten things up and have changed it already once since using it. I'll use a semi-blend as recommended by Victory from here on out whether full synthetic is okay or not, but that is my preference. |
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Cruiser
Posts: 154
Cabot Arkansas | I used the Amsoil 10w40 motorcycle oil one time before going on a 3500 mile trip because I didn't want to have do an oil change on the trip,by the end of the 2nd day around 1K miles I was beginning to get a small amount of slippage around 4500+ rpm under heavy throttle,I couldn't get any vic oil close by so I used Rotella T 15w40 within about 150 miles the clutch slippage was gone.I always use the Vic oil now.No more synthetic oil for me. |
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Visionary
Posts: 1632
Jasper, MO | The mystery continues. To date, the poll shows 74% have no issues and 26% do. 1 report of an issue with the 10W-40 out of 31 responses.
I just ordered myself 3 more cases of Amsoil 10W-40. Works for me in six bikes. Two Victorys, a Kawasaki, two Hondas, and a Husqvarna.
Ronnie |
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Clutch slippage related to oil brand usage
