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#1306411 - 12/09/08 01:00 PM Oil for Yamaha 350 Big Bear 4x4 ATV?
bassadict69 Offline


Registered: 12/20/07
Posts: 37
Loc: Haughton, La
From what I have always been told, my 4 wheeler takes some kind of special oil so I have always bought the Yama-Lube from the dealer which is expensive as [censored] & supposedly has some special additive or something in it. Is there anything else I can use that may be a little cheaper?

It is not an auto transmission if that matters!
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#1306413 - 12/09/08 01:03 PM Re: Oil for Yamaha 350 Big Bear 4x4 ATV? [Re: bassadict69]
bubbatime Offline


Registered: 03/18/08
Posts: 1296
Loc: South Florida
What viscosity? A good motorcycle oil should be cheaper and readily available.
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#1306498 - 12/09/08 02:40 PM Re: Oil for Yamaha 350 Big Bear 4x4 ATV? [Re: bubbatime]
bassadict69 Offline


Registered: 12/20/07
Posts: 37
Loc: Haughton, La
That, I am not sure of...I will have to see if I can find out! I might still have a bottle of the high $$$ stuff at the house.
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#1306600 - 12/09/08 04:24 PM Re: Oil for Yamaha 350 Big Bear 4x4 ATV? [Re: bassadict69]
bassadict69 Offline


Registered: 12/20/07
Posts: 37
Loc: Haughton, La
10W40 Yama-Lube, the dealer says it has some additional friction additives.
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#1306819 - 12/09/08 07:39 PM Re: Oil for Yamaha 350 Big Bear 4x4 ATV? [Re: bassadict69]
ccdhowell Offline


Registered: 12/30/05
Posts: 831
Loc: Shreveport, Louisiana
That's entirely untrue as far as I know. I have 8 atvs and don't run Yamalube in any of them and three of them are Yamahas. Correct me if I'm wrong, but your Big Bear has a CVT auto transmission, which means the engine oil is only used by the engine and not in the transmission and wet clutch. Which means that you can run lots of different oils, anyone you like really. I'd say that an oil like Rotella T 15w40 would work great.

If I'm wrong and you're shifting gears and have a semiauto clutch, well, I'd still recommend Rotella T 15w40, just change it more often when you ride allot, maybe every 20 hours.

Hope this helps and good to see another local guy on the forum.
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#1308357 - 12/11/08 07:26 AM Re: Oil for Yamaha 350 Big Bear 4x4 ATV? [Re: ccdhowell]
bassadict69 Offline


Registered: 12/20/07
Posts: 37
Loc: Haughton, La
Not real sure what a CVT auto transmission is, but my Big Bear is the old style manual shift.
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#1308560 - 12/11/08 11:10 AM Re: Oil for Yamaha 350 Big Bear 4x4 ATV? [Re: bassadict69]
Ben99GT Offline


Registered: 02/25/05
Posts: 4303
Loc: MS
CVT is what the Grizzlies have; continuously variable transmission.

I've been running Amsoil 10W-40 Advanced Synthetic Motorcycle Oil in a '99 Grizzly for years and it's been doing great. Started out with Yamalube, but realized that at the local motorcycle shops Amsoil was selling for about $7/qt, almost the same as Yamalube!
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#1708204 - 12/15/09 10:54 AM Re: Oil for Yamaha 350 Big Bear 4x4 ATV? [Re: Ben99GT]
bassadict69 Offline


Registered: 12/20/07
Posts: 37
Loc: Haughton, La
I never got back to this one due to a few problems, but, with my Big Bear having a regular manual shift type tranny, can another oil be used?
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#1708236 - 12/15/09 11:24 AM Re: Oil for Yamaha 350 Big Bear 4x4 ATV? [Re: bassadict69]
JTK Offline


Registered: 08/14/03
Posts: 7300
Loc: Buffalo, NY
Assuming it's an air cooled 350cc w/ a semi-automatic (no clutch) 4 or 5spd gear shift, I'd use R-T 15w40 like ccdhowell suggests above, or Rotella-T 5w40. If it's liquid cooled I'd use a HDEO in the 30wt range or the 5w40.

Joel
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#1708403 - 12/15/09 01:32 PM Re: Oil for Yamaha 350 Big Bear 4x4 ATV? [Re: JTK]
bassadict69 Offline


Registered: 12/20/07
Posts: 37
Loc: Haughton, La
Thanks for the help...I was just wanting to make sure before changing it tomorrow.
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#1708723 - 12/15/09 06:32 PM Re: Oil for Yamaha 350 Big Bear 4x4 ATV? [Re: bassadict69]
daman Offline


Registered: 09/23/06
Posts: 10486
Loc: Bad Axe, MI
Run any HDEO and it'll be fine,thats what to use.
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#1717250 - 12/23/09 12:29 PM Re: Oil for Yamaha 350 Big Bear 4x4 ATV? [Re: daman]
Cmarti Offline


Registered: 01/23/08
Posts: 438
Loc: Ohio
I run Rotella 5W40 Synthetic in everything I own air cooled, a couple of those toys are Yamaha ATV's. I have had great luck and smooth shifting. It has even worked well in my Goldwing.

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#1734046 - 01/07/10 07:12 AM Re: Oil for Yamaha 350 Big Bear 4x4 ATV? [Re: Cmarti]
porkchop01 Offline


Registered: 05/04/09
Posts: 168
Loc: Texas
Will the Rotella 5w40 synthetic help on cold starts better when the temps are around say 10F? or would a 10W30 be better?
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#1751136 - 01/21/10 10:40 PM Re: Oil for Yamaha 350 Big Bear 4x4 ATV? [Re: porkchop01]
whitearrow Offline


Registered: 05/17/08
Posts: 202
Loc: philadelphia,ms
deffinently the 5w would be better than a 10w in 10 degrees!
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