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Author Message   Pontlee77 Posted on Sunday, December 23, 2012 - 08:50 am:        I was going to do a friends bike a tps reset, when i was about to do it his TPS was 9,8 managed to ge tit down to 4,1 but woulden't go further down, the butterfly was fully closed at 4,1 so i was wondering if, i should reset it when i reach 4,1. The bike runs right, it's a 04 lightning, the guy bought it second hand and the previous owner had an accident so a lot of bits were painted or repaired. What are the suggestions? Thanks Merry Christmas and happy new year.   Tootal Posted on Sunday, December 23, 2012 - 09:30 am:        Pull the air box off and clean the butterfly and throttle body. Then back off the idle adjuster so the butterfly will fully close. Actually stick in the bore. Reset tps to zero. Adjust the throttle to 1000 rpm and go ride for 20 minutes. Go through the procedure again while hot and reset tps. Should be good to go!   Pontlee77 Posted on Sunday, December 23, 2012 - 10:47 am:        Thanks,i had that in mind but wasen't sure.   Teeps Posted on Sunday, December 23, 2012 - 02:12 pm:        Clean the ECM and battery cable grounds too.   Uly_man Posted on Monday, December 24, 2012 - 05:06 am:        The TPS will not "zero" but the reset will tell the ECM that the throttle butterflies "closed" point is at zero. That could be 4.1v or as mine was 5.6v. I know that sounds strange but that is how control systems can work. Lots of reasons for this and all boring stuff. All you need to do is set it up right and make sure the idle does not "hang" at 2000rpm.   Danair Posted on Tuesday, January 01, 2013 - 11:55 am:        Be sure and hold closed throttle pressure with the grip when doing this (per the manual). It made a ton of difference on mine.

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