Differential Fluid - Yamaha Grizzly ATV Forum
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post #1 of 6 Old 02-16-2010, 02:12 PM Thread Starter
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Differential Fluid

Someone suggested using Mobile One 75-90 synthetic gear lube which is an API GL5 lubricant. My owners manual calls out SAE 80 API GL4 hypoid gear lube. After doing some research, gear lube is not like brake fluid where DOT 4 covers DOT 2 and 3 standards. Is there a special Mobile One available? Any other suggestions?
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post #2 of 6 Old 02-16-2010, 04:46 PM
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I just changed both the front and rear fluids, used SAE 80 API GL4 hypoid gear lube for both front and back, think it was a castrol brand
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post #3 of 6 Old 02-16-2010, 05:16 PM
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I suggest running what the manufacturer says run although brand name is up to you. I run all Amsoil in my quad. I just found the Amsoil equivalent to the Yamaha differential fluid and ran that.

2007 Yamaha Grizzly 700 SE w/EPS, HMF Swamp XL Series, Optimizer, 5" Rox Risers, Solex CR-Hi Bars, Symtec Heated Grips and Thumb Warmer, 26" Mudlites on SS106s
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post #4 of 6 Old 02-16-2010, 05:42 PM
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Yep Amsoil fluid is all I run including eng oil!

2010SE White Grizzly 700EPS
*Ricochet Full Skid Kit
*26x12 Terra's on SS106
*2R Race Tip
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post #5 of 6 Old 02-16-2010, 05:51 PM
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Just run any quality GL4 gear oil waste of money for GL5 in this application.Don't over fill (easy to do) or you will have smelly gear coming out your diff vents
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post #6 of 6 Old 02-17-2010, 10:00 AM
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I use Lucas 75w90 gear oil in mine, front and rear. It works well so far!

2011 Grizzly 700 SE - Coop mod #3, 1mm shim, epi white spring, shift lock-out cable delete, STI HD2 wheels, 30"XXL MLs, GYTR Exhaust

2008 Grizzly 700 Camo - sold, 28" Mudlites, FIX clutch, EHS system, GYTR pipe, ITP SS 212s black, homemade stereo (mdf)
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