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Author Topic: ltr474 pim2 mapping  (Read 662 times)

Offline Zilla273

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ltr474 pim2 mapping
« on: April 18, 2013, 06:44:56 am »
Does anyone have a base map for a474 kit, this474 is 13-5 piston stage 1 hot cams, open air box, using the pim2 box, i cant seem to get the idle to around5k to run good. D?

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Offline PCS

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Re: ltr474 pim2 mapping
« Reply #1 on: May 10, 2013, 05:21:58 pm »
http://www.ltr450hq.com/forums/dyno-tuning-room/2394-custom-pim-fimak-maps.html
i did not go through the thread so i dont know if you engine matches what they have posted there but its the closest thing i know of to help you, good luck.
1985 Yamaha Tri Z 250
2006 Suzuki LTR 450
2011 Suzuki Hayabusa

Offline 13.robb

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Re: ltr474 pim2 mapping
« Reply #2 on: May 18, 2013, 11:32:05 am »
I also have a 474 ltr. Mine is the 13.1:1 wiseco. +2 intake and exhaust, hotcam intake, full port and deck. I have the pim 2. The original map i got from williams perf out in florida was not very good. In fact i was getting beat by my old ltr that was stock with a cherry bomb. I ended up getting it dyno tuned. The guy hated me by the end because he promised he could make it right. So 36 dyno runs later and a lot of adjustments it is pretty solid. My dyno chart says 45hp, but outruns "60hp" bikes. Dont know, dont really care what numbers it makes as long as it works. Still doesnt have a perfect low rpm off idle i think thats kinda how they are with cams. My best recommendation is find someone with a dyno and experience with the pim2, spend the 2-300 dollars and be done with tuning.
I make carbon case savers, and sprocket covers for a bunch of crazies that own ancient bikes, Wait, I have an ancient LT250 too!!!

 

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