2000 xplorer 250 4x4 issue

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Hey I'm having issues with my wheeler when I'm gettin into the throttel. I'm in 2wd and gassing hard and out of nowhere one of the front wheels engages and jerks the wheeler forward. Bad hub bearings ?

[Bruce!]

Welcome to the board!

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Thank u sir

[Russ C]

change the fluid in the hubs, if that doesnt fix it, the armature plate is worn, bent , magnetized

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This is my first Polaris and I haven't had it for very long, any particular type of fluid, how much and where or how to put it in. (I haven't been able to find a service manual) your help is greatly appreciated!

[pjmartin]

Polaris Demand Drive Fluid. There's a hex plug on each hub. Put in enough fluid so that it starts coming out with the plug at the 4 o'clock position. Doesn't take much.

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Great thank u

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Another ? I can't find a Polaris dealer around to buy fluid from is there any other fluid that could be used with out causing damage to the hub components?