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Old 12-03-2019, 05:42 AM   #20 (permalink)
XCR1250
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Join Date: Oct 2005
Posts: 36,214
Current Sled(s): XCR 800
Previous Sled(s): O.M. 1000, 700 Heavy Mod, 700 IS XCR 1253, XC1214, P.S.700
Location: Sawyer county Wisconsin
Favorite Riding Area: N.W. Wisconsin
Riding Since: 1959
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I have never seen an impact wreck a bearing but have heard about it happening, however I have seen cranks twist out a degree or 2 from using an Impact, in the 51 years that I owned a sled and general repair shop (from 1967) I've probably seen less than 10 but still wasn't good. I also worked part time at a Poo/Doo dealer, we never used impacts for removing clutches, I went to Polaris race school in the late 70's where they told us never use impacts to remove clutches. I have many OEM shop manuals, they plainly state, quote:"Caution Do not use an impact wrench or damage to the clutch or crankshaft may occur" Look for yourself in the manuals.

My suggestion is do what works for you and hope it never twists the crank.
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