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Author Topic: Changing the carb on 2003 kx250  (Read 3228 times)

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Offline stevea100m

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Changing the carb on 2003 kx250
« on: May 21, 2012, 11:21:56 AM »
I was wondering if anyone has thought about pulling the stock carb off and replacing it with one that doesnt have the tps sensor on it like off of a 98 kx250? Would there be any advantage or disadvantage. The main reason I'm askin is no one offers a lighting coil for the 03-04 kx250 because the carb sensors apparently ask for too much power to have a lighting coil.
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Offline The Flyin Hawaiian

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Re: Changing the carb on 2003 kx250
« Reply #1 on: May 21, 2012, 12:58:54 PM »
Theres a guy on Thumper Talk thats making Eline replicas for that bike. You can run a 45w equivalent led off of the powerjet coil. They only require 6w. LED taillight is 2w. The PJ coil puts out around 25w. I run them on my 04.
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A couple of 03 and 04 KXs, a few YZs, 3 PE 400s, a DR and a TS.

Offline stevea100m

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Re: Changing the carb on 2003 kx250
« Reply #2 on: May 21, 2012, 02:04:42 PM »
you wouldnt happen to have a link would you? I have the guys at enduro engineering order all my parts and they were sayin no one makes one so I would be very interested in these
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Offline The Flyin Hawaiian

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Re: Changing the carb on 2003 kx250
« Reply #3 on: May 21, 2012, 02:22:29 PM »
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A couple of 03 and 04 KXs, a few YZs, 3 PE 400s, a DR and a TS.

Offline stevea100m

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Re: Changing the carb on 2003 kx250
« Reply #4 on: May 21, 2012, 02:38:38 PM »
pretty sweet setup did you notice any issue with how far it stuck out over stock
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Offline The Flyin Hawaiian

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Re: Changing the carb on 2003 kx250
« Reply #5 on: May 22, 2012, 04:41:21 PM »
My wife has a original Eline on her 03 KX250 and it does stick out a little more. She uses a Moose shifter that she got from Eline that clears the case. Not sure what its from or if it was custom made for Eline for the KX application.
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A couple of 03 and 04 KXs, a few YZs, 3 PE 400s, a DR and a TS.

Offline Spac

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Re: Changing the carb on 2003 kx250
« Reply #6 on: May 25, 2012, 09:51:32 PM »
The TPS sensor sends a signal to the CDI box, which modifies the ignition advance curve for better ride ability without costing peak power.
It's a good thing to have, but not essential. I'm not totally sure what the ignition curve does with no TPS signal, though - might put it into a very safe ignition map which will slow the bike right down.

No point in swapping to a different carb if you disconnect the TPS - pretty sure they're an airStriker, power-jet PWK which is as good as it gets.
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