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Old 02-09-2012, 04:01 PM   #1
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A-arms problem

My snowmobile is a M8 sno pro 2008, and i have a big problem, my skis are not aligned, the left ski is about 1-1/1.5 inches bendt backwards, and my front left side wont rise as much as the right side,with other words the left side is much lower than the right side, i have changed upper and lower the A-arms, but it only aligned the ski a little more, and still the left side is lower than the right
could it be the spindel?,the bulkhead looks ok, i cant see any damages there!!

any tips??

Last edited by Larsinist; 02-09-2012 at 04:07 PM.
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Old 02-10-2012, 07:44 AM   #2
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You've got to take a helluva hit to damage the spindle like that, they're stupidly strong. I'd guess you tweaked the bulkhead a bit if you've got new A arms on it.
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Wildchild T top post with 4-6" Rox adj riser, protaper bars, cycra handguards, pro design tether.
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And a throttle that points the RIGHT way, FORWARD!!!!

250++hp...and still quieter than a sled with a can!

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PM me if you're looking for lightweight or diamond drive parts, I can get you discount pricing on BDX parts.
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Old 02-12-2012, 10:22 AM   #3
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I have a 2010 M8 and there is something amiss on the left side too. Not as bad as your's sounds but the skis just don't set right and when I pick the tail of the sled up the left side goes down, even with 5psi more air in that side shock. Shocks are newly rebuilt and revalved, A arms look good. I suspect the bulkhead is tweeked some and somehow changed the geometry enough to give me this left side collapse. Kind of strange it would manifest itself in this way but it is the only thing I can come up with. Bulkhead looks good but it would take so little to change the angles you would not see it.
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Old 02-12-2012, 02:22 PM   #4
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 Quote: Originally Posted by diggerdown View Post
I have a 2010 M8 and there is something amiss on the left side too. Not as bad as your's sounds but the skis just don't set right and when I pick the tail of the sled up the left side goes down, even with 5psi more air in that side shock. Shocks are newly rebuilt and revalved, A arms look good. I suspect the bulkhead is tweeked some and somehow changed the geometry enough to give me this left side collapse. Kind of strange it would manifest itself in this way but it is the only thing I can come up with. Bulkhead looks good but it would take so little to change the angles you would not see it.
i have solved most of my problems i think,i have measured all the angels on the bulkhead and all is fine, but my spindel is bendt, on the lower side.so i shall order a new spindel and i looks like it will be ok
i think me and diggerdown needs to change the spindels.

i will report when the new spindel arrive!
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Old 02-12-2012, 08:09 PM   #5
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can you post a pic? I've bent EVERYTHING on the M sleds... ASIDE from the spindle.
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2011 CF8 LE 141 Cutler stage II race gas turbo, powerclaw track, BD-X oil delete, Koso egt, Bparks light weight bushings, BD-X inner wheel kit, BD-X 2 wheel, BD-X anti-stab, BD-X 40" A arms with 19" floats
Wildchild T top post with 4-6" Rox adj riser, protaper bars, cycra handguards, pro design tether.
BR-tech Thrasher hood and venting.

And a throttle that points the RIGHT way, FORWARD!!!!

250++hp...and still quieter than a sled with a can!

2012 proclimb M800 snopro, BDX oil delete, CE 2.5 track, 38" arms, wildchild post mod, pro design tether, and a hot dogger (and of course, a forward throttle...)

PM me if you're looking for lightweight or diamond drive parts, I can get you discount pricing on BDX parts.
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Old 02-18-2012, 05:14 PM   #6
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i is better now, i crashed the right side, and now it is even!!

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Old 02-22-2012, 12:47 PM   #7
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it might sound crazy, but maybe your lower a-arm is upside down?
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Old 02-22-2012, 07:57 PM   #8
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 Quote: Originally Posted by M8Boondocker View Post
it might sound crazy, but maybe your lower a-arm is upside down?
he'd have to bend something to just get it to fit, I've "tried' to put them on upside down & it's off by about an inch... you can't get the arm to attach to the spindle.
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Wildchild T top post with 4-6" Rox adj riser, protaper bars, cycra handguards, pro design tether.
BR-tech Thrasher hood and venting.

And a throttle that points the RIGHT way, FORWARD!!!!

250++hp...and still quieter than a sled with a can!

2012 proclimb M800 snopro, BDX oil delete, CE 2.5 track, 38" arms, wildchild post mod, pro design tether, and a hot dogger (and of course, a forward throttle...)

PM me if you're looking for lightweight or diamond drive parts, I can get you discount pricing on BDX parts.
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Old 02-23-2012, 04:01 PM   #9
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he'd have to bend something to just get it to fit, I've "tried' to put them on upside down & it's off by about an inch... you can't get the arm to attach to the spindle.
gotcha! wasnt sure, are the left and right lowers identical? or specific. I was thinkin it could have been the wrong side part upside down. Sounds like he just keeps hitting things back into place anyways haha
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Old 02-23-2012, 08:13 PM   #10
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now i have changed the spindel and the link,Steering, it vas a little bendt.

I think it is ok now, i shall try later today
a god tip will be to check the steering link, if the snowmobile is bend
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