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Polaris Big Boss A-arm update out from Polaris

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  • Riverben
    replied
    Cwoods,,thanks much,,,I'll check it out ,,,,been using chevron grease for many years the blue colored stuff ,seems to do the job,I use it on everything,also what is your rpm range in low and high,,and miles per hour

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  • cwoods
    replied
    Yes.. I replaced the rear zerks with 45 zerks and the fronts with 90 ones to make it easier to get in there with a grease gun. And regarding the a arm bolts check the front ones for tightness after you get a few miles on your machine as they seem to be loose for most after a while.
    If you care you can get TRC red grease at Reeve Air by Merrill Field which is all I like to use....good product.

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  • Riverben
    replied
    :question:There appears to be only 6 grease fittings,one on each a arm,is that correct ?

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  • Riverben
    replied
    Thanks cwoods for the info

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  • cwoods
    replied
    Yea you do have to move the winch aside to get at the check/fill bolt on the front winch. I have a AtvGuru front grill guard so I had to remove that then the lower plastic on the nose and slide the winch out the front. I like to change diff fluids often so its to bad its not out in the open but in reality it doesn't take to much effort.
    As far as which side a arm bolt breaks more often it seems to be the middle axle on the exhaust side from what I have seen and heard...

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  • Riverben
    replied
    Also,,,do you have to remove the winch to check fluid level in front gear case ?,thank you

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  • Riverben
    replied
    I could find only one kit for now,,,,which side breakes more often?,,,,only one set of brakes on the middle axle?,,,doesn't make sense to do it that way!,,,,,,thanks

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  • Arcticwildman
    replied
    Sometimes Polaris really frustrates a person. I called the factory about this issue and asked if they were going to issue a repair bulletin for the machines currently under warranty. Of course I got nothing but double talk with them claiming it was nothing but a new design and they would not offer replacement kits for warrantied machines. When I pushed them on the fact that they manufactured this "new design" because the current design was failing they denied there was anything wrong with the original design and this was just an improvement that owners could use if they wanted to. So I guess some engineer at Polaris was bored one day and decided to design different mounts because he had nothing better to do.

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  • BTK
    replied
    My bolts broke right at the head and right at the nut. One broke, or fell off, in my garage when I brought it in from the cold to heat. The head was laying on the floor when I backed out. The other broke in the field. Both times the whole bolt was present, minus the veeery end.
    Does the new sleeve seem to address that? I guess we'll see. Kind of a bummer to have all these spare bolts, bushings and a-arms sitting around, but nice for peace of mind.

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  • silvers
    replied
    Yep, alaskabarbwire is dead on about the A arm bolt update kit. Im wondering with us removing the washer/caps that were original all together was part of the over stressing of the bolts causing them to break.

    With these new kits your actually doing away with 2 parts altogether, so there will be less part with new Kit. Follow your instructions... they are quite simple to follow

    I never broke stock bolts, did this as a preventative maintanence measure... Hopefully it pays off and I don't break any!

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  • cwoods
    replied
    Cool, thanks for the explain!

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  • alaskabarbwire
    replied
    just changed out mine. The sleave is alot longer (spans the full length between the mounting tabs) and they did away with the end metal caps (not sure what you call it) and bushings are shorter. They think the space between the sleave and the end cap was the weak point. Makes more sense when your holding the new on and the old one side by side.

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  • cwoods
    replied
    I now remember a friend recently told me he was told by a dealer that the new sleeve is a tighter tolerance to the bolt o.d. which hopefully will make a difference. The OEM one definitely has some slop to it. I think Mjm should buy that Can am and give us all a review!
    If I have time and its still there I'd like to check it out in person myself.

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  • mjm316
    replied
    From what I've heard 2nd hand is that it's a new sleeve for the bolt and a different bushing. Like I said that's 2nd hand info and I haven't talked to a dealer directly. On a different note the can am 6x6s look pretty sweet! Only issue I saw with them was the radiator looks like it will get clogged similar to the 09-10 big bosses.

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  • cwoods
    replied
    So....... Its just a new bolt in the same size configuration using all the stock bushings/crush spacers?

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