Description
Fine-tuning your carburetor’s mid-range performance starts with the right needle jet. The MIKUNI VM38/41-P-6 gives you precise control over fuel delivery in the critical 1/4 to 3/4 throttle range—the zone where most real-world riding happens. If your bike feels sluggish off-the-line or stumbles during acceleration, a properly sized needle jet is often the overlooked solution that transforms drivability.
This genuine MIKUNI component is engineered in Japan and features precision-stamped series and size identification for guaranteed fitment and consistent performance. Whether you’re chasing peak power or simply dialing in a smooth, responsive throttle response, selecting the correct needle jet size (indicated by the alphabetic/numeric designation) ensures your carb tuning efforts actually stick.
- Genuine MIKUNI manufacture
- VM38/41 series compatible
- P-6 size specification
- Mid-range fuel tuning
- 1/4–3/4 throttle control
- Series/size stamped
- Made in Japan
- Bolt-on installation
- Precision calibration tool






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