I have for sale a brand new, unused JD Jetting High Performance Jet Kit for use in Yamaha WR400,426,450 and YZ400,426,450 four stroke models using an Keihin FCR 39mm carby.
The kit is the JDY006 which is marketed for the 06-08 YZ450F and 07-08 WR450F models but can definitely be used (I checked with James Dean himself in the USA)in the earlier models of these bikes as mentioned above. The only difference is the fitting instructions, as they obviously specify different clip settings and installed jet size for the different year range of models. I am able to supply a copy of the instructions for the earlier model range if required.
The kit contains:
160, 165,168,170 main jets
48 pilot jet (for later model engines)
two different JD taper needles
spare needle circlip
two different size O rings (used for accelerator pump modification)
pictorial instructions and recommendations for jet settings
The kit was purchased for someone else, who now doesn’t want it.
*****REGRETFULLY WITHDRAWN FROM SALE AT THIS STAGE DUE TO NO INTEREST ****
Slug