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skidoorules 12-21-2003, 11:59 AM My arctic cat z 440 will back fire when I go to pin it or or sometimes it will try to quit but then it catches itself and keeps going ?? do u guys have any suggestions :cussing: :cussing: :cussing: :cussing: snodood 12-21-2003, 01:08 PM Oh no ......not another baaad kill switch... puree 12-22-2003, 02:21 AM dirty carb???? BGTRK19472 12-22-2003, 11:58 AM check the kill switch and also the tether could be bad. SWRules kipawa 12-22-2003, 05:04 PM I had the same problem on a 1998. Z440 to fix it, was as simple as replacing (2) 98 cent bushings . do a search at this site titled ''Throttle safety switch" it is a common problem with cat. If you find out that it is the throttle safety switch, and you replace the plastic bushings, the top one will have a little nub on it make sure that it points backwards in the alongated slot, if not it will not correct the problem. my sled was acting the same way and the mechanic put them in wrong. I put them in the right way and the cutting out problem is corrected. Click Here for the part # 0609-038 (http://www.brownsleisureworld.com/Parts/SNOWMOBILE/1998/1998Z440(98Z4A-1998)/THROTTLECONTROLASSEMBLY.htm) ZR Sled Head 12-22-2003, 07:33 PM Use a little dab of dielectric grease when you replace them to help keep moisture out. Rick. :christmas: 87gtNOS 12-23-2003, 11:57 PM yup..I would disconnect all safety switches..had to do it on my ZRT...then re-test..carefully!! LOL!! I left my carb slides unhooked(from day one) and ended up disconnecting the throttle lever switch a few years later. | ||