2002 yamaha wr426 carburator and pilot jet adjustment?

2 replies to this topic
  • Koala426

Posted May 30, 2013 - 08:24 AM


ImageUploadedByThumper Talk1369930898.298338.jpg ImageUploadedByThumper Talk1369930943.826293.jpg
If some one can post some pictures please!!!!!!
By bike is backfiring a lot!!! Sound like a feed her with beans!!! Lol

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  • grayracer513

Posted May 30, 2013 - 09:18 AM


Some related reading:

Regarding the causes of decel backfire: http://www.thumperta...599#post3710599

Regarding the pilot adjustment:




Yours appears to have a pilot fuel screw with a flexible extension on it (item you point to in the second picture), so that makes it quite a bit simpler to access. The black knob in the first pic is the idle speed adjustment only.

  • Koala426

Posted May 30, 2013 - 12:55 PM


Thanks a lot help a lot on the backfiring
Very very much thanks!!!!!


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