Adjust mixture quickly
Includes air screw only
Adjust idle mixture quickly and easy
INCLUDES AIR SCREW ONLY.
Main jets
Multi-taper needles
Detailed instructions
Fits all FCR and FCR-MX carbs
Spring, washer, oring separate
Or order together...
Easily adjust idle mixture
Precision machined brass
includes...
Adjust your idle mixture quickly and easily with the JDJetting Fuel Screw, without...
Quick adjust
Includes Keihin spring, washer and o-ring.
Kientech Fuel Screw
Fits Suzuki DRZ400S/SM or LTZ400
Fuel screw only
Fits Suzuki DR650
Custom multi taper needles
Custom multi-taper needles
