Ok guys, I dont know how maany of you went thru the dragon 8 debacle..but for those of you who didnt have any or much experience with it...TPS settings are very important on the poo injection..the factory uses digital wrench (their version of onboard diaagnostics)..while it works pretty good for most things..it sucks for setting the tps acurately....so..with that said..anyone who has a injected polaris..setting/checking the tps settings will make a big difference in how your sled runs performs and even on how often you have to change sparkplugs...since digital wrench isn't very acurite..I use a high quality fluke 88 multimeter and a handmade tps checker(nothing more then a nifty little tool to put 5.0 volts to the tps so you can set it...dont use a crappy/cheapo meter..it will give the same results as DW will...so first to gain access, pull side panels and hood...then remove the belt and secondary clutch, then there are 4 nuts holding the clutchgard in..(yes the oil tank and electrical stuff is mounted to it)just remove the 4 nuts and raise the guard up about 4" in the rear, 2" in frt..there is a wire tie that needs cut off holding the tps harness tight to the tps ..now..here is the tough part..you need to check tps supply voltage to the tps(it should be 5.0 volts..I I use a small fluke terminal probe for checking this(its the furthest forward wire when the tps is plugged in)fire the sled up and check voltage on this wire(everything electrical plugged in of course(incuding hood connector)..after verifying its at 5.0 v. disconnect the connector from the tps and hook up your meter and tps checker...(follow the instructions in the thread below)mine was at .930 volts for idle setting and baseline setting was at .740..now as of right now I am unsure of baseline setting for the new cfi 2 800 motor..the online dealer manual gives me idle setting of .930 but no base setting( a good friend is trying to confirm the number for base setting)..I set mine to .710..which is what I found to work good on all the cfi-4's I have done in the past..may have to change this though based on what my friend comes up with....once done..and put back togeather..I took the sled for a few spins around the yard..feels like my burble is gone, sled starts 1 good pull cold, reverse pops right in and out...sled feels crisper and looks like it picked up 100 rpm on top..the tps tells the computer how open/closed the throttle is and is critical to fuel supply....
thread link for building tps checker/ and how to do it......
http://www.snowestonline.com/forum/showthread.php?t=67427
thread link for building tps checker/ and how to do it......
http://www.snowestonline.com/forum/showthread.php?t=67427
![DSC00732.jpg](http://i266.photobucket.com/albums/ii265/AKSNOWRIDER_2008/pro%20tps%20setting/DSC00732.jpg)
![DSC00730.jpg](http://i266.photobucket.com/albums/ii265/AKSNOWRIDER_2008/pro%20tps%20setting/DSC00730.jpg)
![DSC00731.jpg](http://i266.photobucket.com/albums/ii265/AKSNOWRIDER_2008/pro%20tps%20setting/DSC00731.jpg)
![DSC00729.jpg](http://i266.photobucket.com/albums/ii265/AKSNOWRIDER_2008/pro%20tps%20setting/DSC00729.jpg)
![DSC00735.jpg](http://i266.photobucket.com/albums/ii265/AKSNOWRIDER_2008/pro%20tps%20setting/DSC00735.jpg)
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