Keihin needle jet [Press fit ]. This is the jet in the base of the venturii. This is the part the needle on the slide runs in. Not available from Keihin or Kawasaki [no part number, not shown on parts list]

 Will require the old , worn needle jet pulling out from the top [can NOT be pressed out from below/underneath]

Wear in this part causes rich running in the midrange, common problem with the ZX9R

 Now in stock !