is yours a ZR and are you trying it with the stock 19 (13W/19S) 50 (13W/34S) (90Pchain) gearing first? according to the spec sheets the (1.0 lug) ZR uses 9T 2.52P drivers where the LT (1.6 lug) & M (2.0 lug) use the same gearing but with 8T 2.86 drivers.Thanks for the pics man! I am pumped to get ours into the family pack. its getting a 1.5" lug on the swap program and then I have a medium green Proclimb from bumper & a BDX prolite trail stainless sitting here wait to go on
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B-last ZR chain case OEM Parts Lookup
looks as though the gearing is similar to some 16/17 M & XF models
maybe a lower top or taller bottom - if the chain adjuster will accommodate that alteration?
I found an 18T 13W/19S Top Sprocket, 13W 18T (19T internal) - Arctic Cat - Hi Performance Engineering which might be the ticket and they do list a 17T and other top gears for folks looking to gear up/down depending on chain tensioner limitations. Arctic Cat Top Sprockets, 13 wide (2012-15 ProCross/ProClimb, 2-stroke) Archives - Hi Performance Engineering
Speedwerx gearing chart fwiw...
Gear & Chain Length Chart / MPH Gearing Chart - Rexnord Silent and Borg Warner Hyvo Chain and Sprockets - Drivetrain - SNOWMOBILE
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