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need help with my 2005 polaris rmk

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  #1  
Old 03-08-2010
2005rmk
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Default need help with my 2005 polaris rmk

was wondering if someone could help me out. I bought an 05 rmk 900 about two years ago. it was moded to a 975 and now take 110 octane. about a month ago was riding and the idle started acting up. it would die if i didn't give it gas and would jump around at half to full throttle. took it to local shop to plug into comp and came out saying TPS sensor, they repositioned it and still same problems as before. my ? is what else could it be? was thinking my fuel injectors might be clogged up, but don't want to start fixing if don't know for sure. should i put a new TPS in and go from there? any help would be greatly appreciated. thanks
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  #2  
Old 03-09-2010
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Check your intake boots, could be cracked and letting in extra air.
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  #3  
Old 03-09-2010
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Injector issues would be throwing a trouble code too.
Put some seafoam through it to rule them out.

I would test for any air leaks, that can cause the poor low end running conditions you are experiencing.
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Old 03-09-2010
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I had noticed a crack in my airbox, but my local shop said not to worrie about it. would that be part of it?
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Old 03-09-2010
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No, that would not cause the problems that you are having.
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'93 Wildcat 700EFI w/ Comet 108 Pro-4 clutch & 01 ZR skid


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we are all given sh*t in life, but some of us learn to turn it into fertilizer and grow from it, and some us try to fling it on others like monkeys
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Old 03-09-2010
2005rmk
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cool going to try the seafoam and check for leaks will let you know how it goes. thanks for your advice.
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  #7  
Old 03-09-2010
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one more thing... if i use this seafoam, would it matter if im using 110 octane 40/60 mix 40 % 110 and 60% 91? and do i just dump it into the gas tank? thanks guys.
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Old 03-09-2010
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Use 6oz in 12 gal of gas.
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'93 Wildcat 700EFI w/ Comet 108 Pro-4 clutch & 01 ZR skid


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Old 03-09-2010
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You're other problem could be as simple as the gas you're using. What elevation are you riding at and how do you mix your gas(both % and how you physically mix it)
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  #10  
Old 03-09-2010
2005rmk
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im using 40% 110 and 60% 91. so for a 10gal tank 4gal 110 6gal 91.
i just mix it in the sled tank.

im usually riding between 6 and 9 thousand feet.

i bought the sled from my neighbor and he said to use that ratio. worked fine for me last year, in utah and jackson hole.

any suggestions on how i should be doing this would be greatly appreciated.
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  #11  
Old 03-10-2010
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Contact the shop that did the 975 kit(carls?) you may be running too high of an octane. I know of a 975 here(around 500' elevation) that is running around a 50/50 mix of 110/91.
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