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post #1 of 9 Old 05-04-2008, 11:31 AM Thread Starter
 
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It's the age old question;what oil should I use?I have a 06 kodiak 450 & 07 big bear 400.My manual says to use 10w30 in temps down to -10C & 20w40 from +5C up.All the riding I do is in temps a few degrees above freezing to a maximum of the high +30's C(90F tops).My dealer says Yamaha has changed their oil recommendations from 10w30 to 10w40 & 20w40 to 20w50.My question;should I go with 10w40 or 20w50?I use yamalube.Thanks for any insight.
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post #2 of 9 Old 05-04-2008, 11:43 AM
 
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<div class='quotetop'>QUOTE (bb07 @ May 4, 2008, 11:31 AM) <{POST_SNAPBACK}></div>
Quote:
It&#39;s the age old question;what oil should I use?I have a 06 kodiak 450 & 07 big bear 400.My manual says to use 10w30 in temps down to -10C & 20w40 from +5C up.All the riding I do is in temps a few degrees above freezing to a maximum of the high +30&#39;s C(90F tops).My dealer says Yamaha has changed their oil recommendations from 10w30 to 10w40 & 20w40 to 20w50.My question;should I go with 10w40 or 20w50?I use yamalube.Thanks for any insight.[/b]
From what i have read here it seems that alot use aimsoil but not sure what weight. Do a search to see
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post #3 of 9 Old 06-17-2008, 02:50 PM
 
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I use 20w50 in all my ATV&#39;s.

2006 Kodiak 450
ITP C-series type 5
27" Kenda Executioners
Warn RT4000 winch
stock exhaust mod, jetkit
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post #4 of 9 Old 06-17-2008, 04:27 PM
 
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Get AMSOIL 0W-40 its made for the ATV and the best oil out. Great protection when cold starting and all the protection you need for any type of heat

20W50 is WAYYYYYYYY to thick, I dont care what the conditions are!!!!

2010SE White Grizzly 700EPS
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post #5 of 9 Old 06-17-2008, 09:20 PM
 
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I use Bel-Ray 10W40 in both mine and my wife&#39;s Kodiaks. The ratings are as good or better than Yamalube.

Wayne
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post #6 of 9 Old 06-17-2008, 10:19 PM
 
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i run mobile-1 4t 10w-40
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post #7 of 9 Old 06-28-2008, 05:18 PM
 
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I bought synthetic oil from tejas motorsports, they gave me 20W-50 i told them the manual says i should use 20W-40 the guy says this is what they use when they change oil at the dalership
I use Royal Purple now
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post #8 of 9 Old 07-04-2008, 01:35 PM
 
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I use Valvoline ATV oil 10w40 in both my 450 grizz and 350 bruin
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post #9 of 9 Old 07-10-2008, 11:54 AM
 
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I recommend this:



Maxima’s Maxum4 Premium is a superior product featuring advanced additive technology in the development of highly stable and long life multi-grade motorcycle specific oil. By using an exclusive blend of petroleum base stocks and advanced anti-wear, anti-shear additives, this product assures viscosity stability for 4-cycle engines with integrated transmissions. This formula also has extra anti-scuff additives to handle extreme loads and peak temperatures in high performance engines.

I run it in all of my sport quads, and utility quads that i service.
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