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Old 03-07-2013, 07:33 AM   #33611
Beastly Adventurer
Joined: Dec 2008
Location: Behind the Redwood Curtain
Oddometer: 3,184
>"I bought my '08 WR250R used at 5,000 miles with the EXUP valve removed...check engine light..."

Sound like you didn't do the resistor jump in the EXUP controller end ($1 from Radio Shack)
or buy the pre-made jumper end ($45 12 O'clock Labs).
I believe there should be some info on Post back if you don't find it.

BTW: I did the resistor jump, worked fine, no error code.
Then I did the pre-made jumper which has a bit more electronics in it.
I "felt" that the jumper made a bit of difference... but heck... dunno.
Would be nice to perform that test on a dyno.
"I don't really know, I've been too busy falling down."

TwilightZone screwed with this post 03-07-2013 at 07:39 AM
TwilightZone is offline   Reply With Quote