High Gear Grind - 04 Sportsman 600 - Page 3 - Polaris ATV Forum
ATV Repair and Maintenance Having problems? Doing a rebuild? All Repair/Maintenance Discussions here.

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post #21 of 28 (permalink) Old 05-15-2019, 08:10 AM
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[quote=HawkX66;1427491]
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Originally Posted by polman500 View Post
Nothing personal. Just repeating what I read in the manual. When Polaris recommends the same thing under their brand name for both units and says "this is a substitute" for one of them, doesn't it stand to reason that it should be a substitute for both? Just looking at it logically... I might end up with the Polaris magic oil in the end, but I want to look at possible substitutes first.
When is a substitute not a substitute? polman is correct - 80W90 GL4 or GL5 is not a substitute for the transmission (chain case) - the heavier oil may cause problems down the road and the first problem will be trying to put it into gear at temps below 35 degrees F.

I use ATF TYPE F in my chain cases and two stroke motorcycle transmissions - Honda sells it as a 80/85W but it's about a 7W - all depends on who's scale you use. There is little uniformity in viscosity ratings between retailers. Harley 60W motor oil was about the same as the 40W oil we used in our tractors on the farm. Today, Harley calls for 20W50 almost universally. I used to use nothing but Castrol 20W50 GTX in my 72 Triumph 650 - today, I use any brand of 10W40 JASO rated oil in that engine. The 71 and up engine had a self leveling primary and the same oil is used in the engine as in the primary. My CRF250 gets Honda two stroke transmission oil in the transmission/clutch reservoir and JASO 15W50 synthetic in the engine. I use JASO 10W40 in my lawn mower, snowblower, standby generators, pressure washer, 89 VT1100 Shadow and 99 Dodge Dakota RT because I buy it in 55 gal drums (cheaper that way) and I can go thru 55 gal in a year or two).

Sometimes it's just a personal preference - up to a point, any lubricant is better than no lubricant.

You can run an engine on Castor bean oil, soy bean oil, vegetable oil or glycerin oil (comes from animal fat), but at what speed and under what condition will it fail? Technically you can lubricate and engine with water, but it requires a very high pressure and certain metals will not hold up well (aluminum will lubricate better than steel with water and water is the lubricant of choice when working with glass).

It is best to use the recommended lubricant, but yes, there are substitutes - some may be better and some are inferior - how long do you want the piece of equipment to last and how much do you want to spend? Spend it on the lube or spend it on the repair - nothing runs for free.

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post #22 of 28 (permalink) Old 05-15-2019, 08:25 AM Thread Starter
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Originally Posted by latebird View Post
When is a substitute not a substitute? polman is correct - 80W90 GL4 or GL5 is not a substitute for the transmission (chain case) - the heavier oil may cause problems down the road and the first problem will be trying to put it into gear at temps below 35 degrees F.


Sometimes it's just a personal preference - up to a point, any lubricant is better than no lubricant.

You can run an engine on Castor bean oil, soy bean oil, vegetable oil or glycerin oil (comes from animal fat), but at what speed and under what condition will it fail? Technically you can lubricate and engine with water, but it requires a very high pressure and certain metals will not hold up well (aluminum will lubricate better than steel with water and water is the lubricant of choice when working with glass).

It is best to use the recommended lubricant, but yes, there are substitutes - some may be better and some are inferior - how long do you want the piece of equipment to last and how much do you want to spend? Spend it on the lube or spend it on the repair - nothing runs for free.
I'm sure you guys are right, but I don't usually follow the crowd. It usually works out better for me in the end, but sometimes it doesn't. I'm not saying anyone is wrong. I'm just looking a little closer at it. I don't like the Amsoil crack dealers that are all over the boards and I don't like all the manufacturers raping us for regular maintenance items like oil. Sometimes you have to bite the bullet and sometimes you don't. Luckily I live in southern VA, so I don't have to worry about shifting in 35 degree and below weather. Thank God I don't live in Mass anymore! BTW, love your avatar!

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post #23 of 28 (permalink) Old 05-15-2019, 08:54 AM
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Did you ever determine what the shifting problem was?
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post #24 of 28 (permalink) Old 05-15-2019, 08:58 AM Thread Starter
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Did you ever determine what the shifting problem was?
I work and live in D.C. during the week so I won't be back home to look at it until tomorrow night. I probably won't get to it until this weekend though.

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post #25 of 28 (permalink) Old 05-15-2019, 09:29 AM
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Did you ever determine what the shifting problem was?
I work and live in D.C. during the week so I won't be back home to look at it until tomorrow night. I probably won't get to it until this weekend though.
Ok, keep us updated.
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post #26 of 28 (permalink) Old 06-17-2019, 05:46 AM Thread Starter
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I finally pulled the cover off the shifter mechanism and everything looks to be in good shape. I did come to a stop the other night and shifted it into high along with pushing on the shift lever at the trans and it worked. I couldn't get it to do it again later though. Seems like it's time to pull the trans?
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post #27 of 28 (permalink) Old 06-17-2019, 07:35 AM
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Don't look too bad. I like for them to be good and greasy though. Have you shifted it with the cover off? Is the brake pedal pulling the park lockout plunger down good?
If all seems good you may be down to pulling the tranny to look inside.
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post #28 of 28 (permalink) Old 06-17-2019, 10:56 AM Thread Starter
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Don't look too bad. I like for them to be good and greasy though. Have you shifted it with the cover off? Is the brake pedal pulling the park lockout plunger down good?
If all seems good you may be down to pulling the tranny to look inside.
I threw some grease in there when I put it back together, but I didn't shift it with the cover off. I'll check that out before I pull the trans. It looks like a fairly easy job overall. This will give me a chance to check out the clutch too. Thanks.

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