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About jjcogs

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  1. jjcogs

    07 WR250F erratic off idle

    I'm new to posting on TT so I hope you were replying to me.(Thanks if you were).The problem is only apparent in first gear when negotiating obstacles at low speed. I have e-mailed Yamaha & their response was to send me back to the dealer. I'm reluctant to go there as their mechanics have a broad knowlege base which is not specific to WR's. My youngest son has an 01 WR250F with no problems and apart from the electric start is a more fun bike to ride and has more low end torque. It has a Vortex ignition & Powercore IV FMF exhaust.
  2. jjcogs

    07 WR250F erratic off idle

    My son & I both have the same problem with our 07 WR250F's. We ride in some tight terrain so it can be a real pain at low revs. I would really appreciate suggestions from anyone with the same problem