Which Oil ? - Polaris ATV Forum
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post #1 of 6 (permalink) Old 06-04-2019, 06:40 AM Thread Starter
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T. Texas Tony's Avatar
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Location: North Texas
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Which Oil ?

What brand of oil are most of you all using in your Polaris Sportsman? I used Rotella T 5w-40 synthetic (blue jug) in my 2008 Arctic Cat 650 H1 when I had it. Also used a WIX oil filter. I use the Rotella 15w-40 and WIX oil filters for my Suzuki Eiger 400 also. The Rotella is JASO MA approved oil for motorcycles and ATV's. Seeing that Polaris has it's own separate transmission I was just wondering if it's ok to use other brands of oil besides the Polaris brand recommended oil.


2008 Polaris Sportsman 500 HO EFI Touring AWD
Color: Pearl White/Silver Trim
PowerMadd Handguards/PM Mirrors
SuperATV Front & Rear Tube Brush/Bumper Guards (Wrinkle Black)

2005 Suzuki Eiger 400 4x4 Auto
Color: Red
Raider Cargo Rear Storage Box
Power Madd Hand Guards/ PM Mirrors
UNI Air Filter
Deestone Swamp Witch ATV Mud Tires
Yamaha Raptor 660 Petcock Mod

2008 Arctic Cat 650 H1 TRV 4x4
Color: Black
(SOLD: Dealership Buy Back, ( a heck of a story)
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post #2 of 6 (permalink) Old 06-04-2019, 06:49 AM
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Either of those oils will be fine for the engine according to ambient air temps. I've used Mobil 1 0w-40 full synth for many years with good results. Your tranny needs chaincase lube.
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post #3 of 6 (permalink) Old 06-04-2019, 12:39 PM
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In engines that do not have oil bath clutches, any oil will work - JASO rated, API S (gas engines) or C (diesel engines) - the only recommendation I adhere to is to use the type of oil recommended by the manufacturer of the engine. If the mfg. recommends synthetic, use synthetic - if mineral oil is recommended, you can use synthetic after break in, but the engine may use more oil - as to break-in? If broken-in on synthetic oil, break-in will take about 4 time s longer than on mineral oil, but the engine will last longer and oil changes need not be as frequent.

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post #4 of 6 (permalink) Old 06-04-2019, 02:49 PM
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Amsoil Signature series 5w-50 full synthetic

2018 Sportsman XP 1000
All stock for now, but I have plans!
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post #5 of 6 (permalink) Old 06-04-2019, 03:11 PM
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I use Shell Rotella and Wix filters. I use Polaris fluids for the tranny/rear etc.
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post #6 of 6 (permalink) Old 06-04-2019, 03:22 PM
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I used Schaeffer Supreme 9000 5W-50 and a Wix 51358 in my 570
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