Mixture screw for RS34-40 carburetor rack by Mikuni (manufacturer part number 604-26003). This replacement part is designed for RS34 and RS40 carburetor racks, allowing for the adjustment of the mixture at idle and low RPM, a crucial setting for clean engine behavior and smooth throttle response during city riding or on winding roads.
- Brand: MIKUNI
- Manufacturer part number: 604-26003
- Category: Carburetor — mixture screw for RS34-40 rack
- Function: adjustment of the mixture (air/fuel ratio) at idle and low RPM
- Compatibility: designed to fit Mikuni RS34-40 carburetor racks
Whether you are in the process of maintenance, restoring a carburetor, or fine-tuning the settings, this mixture screw provides the specific part expected by motorcycle mechanics enthusiasts. Bring the right tool, note the initial position of the screw, and proceed with step-by-step adjustments to achieve a stable idle and controlled response. A clear and practical replacement part for your workshop or for the traveler who values the reliability of the fuel system.