12 wr 450 FI mapping

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RICH23XP

Free Member

Nov 28, 2007

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• Mar 22, 2013

• #1

I have a 12 wr 450 w raptor thermostat & yoshi pipe ,set up w 12 TS st kit . Looking to remap the ECM . Does any one have any suggestions? I have been running a motor cross setup the dealer put in, but I have a programmer now to fine tune it . Any suggestions would be appreciated , also any other good mods to do?

Thanks. Rich

 

SLDHVN

Well-known member

Premium Member

Mar 7, 2008

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Sled Heaven

• Mar 23, 2013

• #2

Are you using the GYTR tuner?

 

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RICH23XP

Free Member

Nov 28, 2007

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• Mar 23, 2013

• #3

Yes, GYTR tuner

 

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Rush44

Well-known member

Nov 26, 2007

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Flathead Valley, MT

• Mar 23, 2013

• #4

I don't know what the GYTR Tuner can do, but in essence you want to remove fuel (around 20% based on ambient temperature) and advance the timing. I'm not sure if that tuner has different surface modes like hard pack, dirt, sand, etc. The KX'ers have been putting our bikes into the sand mode for more explosive power delivery.

 

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RICH23XP

Free Member

Nov 28, 2007

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• Mar 23, 2013

• #5

It is in sandy/ soft dirt mode now, I was going to try to back off the fuel on the top end to -2 & max out the timing on the top as well + 4 then see what happens.

 

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powdermuncher

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Nov 28, 2007

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Yukon Canada

• Mar 23, 2013

• #6

Make sure you run good fuel if you do that --can you spell detonation:face-icon-small-sho

I would run a wide band before doing that.

 

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LLRotax#88

Free Member

Dec 2, 2007

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Whitehorse,Yukon

• Mar 24, 2013

• #7

Deto ??

Naw Richie likes that stuff

 

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RICH23XP

Free Member

Nov 28, 2007

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• Mar 24, 2013

• #8

I have a pail of race fuel waiting to get used.