toyota4runner
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Polaris wheels only fit on the outside of the rails for some reason. Something about bearing width I think
09nytro
TY 4 Stroke God
Hmmmmmm, they fit every wear on my sled , but I also had a RTX SE , in the back I used Polaris mounts on the out side with wheels
toyota4runner
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Maybe has something to do with using Polaris wheels on yami mounts. Not really sure. I read it somewhere on here and Ulmer told me the same thing when I ordered x-wheels from him
shadow44
TY 4 Stroke God
I was going through the Motovan catalog last and located an aftermarket version of the spoke Yamaha wheel, they say they are 135 mm so I might give them a try this year along with SLP Hyperfax ( assuming they are like Yammi Duponts? )

grizztracks
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I replaced all mine and added an extra set with the ski doo idler wheels from MFG Supply, $21 , Part # 04-0135-20. No problems with fit and after 2000 miles no failures. I replaced the Hyfax at the same time and they still look new.
http://www.mfgsupply.com/snowmobile/sno ... 35-20.html
http://www.mfgsupply.com/snowmobile/sno ... 35-20.html
ozzy68
Newbie
I have been running Excell wheels for 3 years and only replaced hyfax once in the last 3 years.... im running reg sliders as well and i would say theres 4500 miles in that 3 years....not a single issue....love them
sofunkingcool
Extreme
Can anyone tell me what the original size the rear idlers are on a 09 fx nytro? looking to replace mine but can't seem to find a straight answer on what the size is, and can't measure them on the sled cause i haven't picked it up from storage yet. Thanks
Grimm
TY 4 Stroke God
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sofunkingcool said:Can anyone tell me what the original size the rear idlers are on a 09 fx nytro? looking to replace mine but can't seem to find a straight answer on what the size is, and can't measure them on the sled cause i haven't picked it up from storage yet. Thanks
7" diameter with 6004 bearing.
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