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pbgunrunner1

98 wr400- grey wire?

5 posts in this topic

Hi, I just did the grey wire on my 02 wr426 w a headlight switch so I can go back and forth. My buddy has a 98 wr400 and asked me if his bike could be done, Im actually not sure! Does it work with the older wr 400s too? thanks!!!

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Yes, you can do the "gray wire" mod on a '98 WR400. I'm not sure if it is in the same location as yours though.

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Hey "pbgunrunner1"...did you find a major performance difference after you did the grey wire??

I'm not sure if it was such a big deal on the pre '05 bikes...I have an '04 (Canadian model which may not have the US EPA restrictions built in) with grey wire still connected and I have no problem getting the front end to lift or with power in general....so it would be great to have your feedback.

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I havent played with it much yet, but it seems like it has a bit harder hit in the mid range... Ill know more when I switch between them. On a side note- can/should that be done on the fly or w a dead engine only?

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I havent played with it much yet, but it seems like it has a bit harder hit in the mid range... Ill know more when I switch between them. On a side note- can/should that be done on the fly or w a dead engine only?

With the engine off to change mapping, if you do it when the bike is running nothing will happen.

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