Backfiring after layup - Polaris ATV Forum
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post #1 of 2 (permalink) Old 09-11-2015, 08:53 AM Thread Starter
Polaris ATV Junkie!
 
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Join Date: May 2010
Location: Pierrefonds Quebec
Posts: 505
Backfiring after layup

2001 Sportsman 500HO
I only use my ATV a couple of times a year. Once in May and once in late August to get to and from our fishing/hunting camp, 80 miles round trip, 6 hours ride time. The ATV sits in the garage for several months between rides. When we start the trip I'll be doing 35-40mph and after a few minutes it'll lose power, backfire several times and then die. Restarts fine. Same scenario once or twice after that and then all becomes normal. The rest of the ride is without incident. The ATV sits in the woods for a week and on the return trip it runs like new. This has happened on three occasions since I installed a carb kit. Only other thing worth mentioning is that it needs to warm up a couple of minutes before it'll rev up with the throttle. I don't really like the backfiring nonsense. Sparkplug color is normal.
Anyone have an idea as to what can be causing this.

2001 Sportsman 500HO
Rear drop rack
2000lb winch
No mods
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post #2 of 2 (permalink) Old 09-15-2015, 06:08 AM Thread Starter
Polaris ATV Junkie!
 
pjmartin's Avatar
 
Join Date: May 2010
Location: Pierrefonds Quebec
Posts: 505
Need some ideas please.

2001 Sportsman 500HO
Rear drop rack
2000lb winch
No mods
pjmartin is offline  
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