Description
If your Mikuni carb is running rich or you’re tuning for different elevation or fuel type, a jet change is one of the most direct ways to dial in your air-fuel ratio without expensive remapping. The #680 main jet gives you precise fuel metering for mid-range and full-throttle performance, and buying a 4-pack means you’ve got spares for testing and future tuning adjustments. OEM Mikuni quality ensures consistent bore diameter and tapered design for reliable jetting across your carb’s load range.
- Mikuni main jet, #680
- 4-piece pack
- MPN: 4/042-680
- Fits VM18 clamp-on
- Fits VM24-512 carbs
- Fits VM26-512 carbs
- Fits VM26-606 carbs
- Fits TMX series carbs
- OEM and aftermarket applications
- Made in Japan
- Verify dimensions before ordering






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