Description
Precise fuel metering is non-negotiable in carbureted performance engines, and main jet selection directly controls your air-fuel ratio across the mid-range and top-end RPM band. If you’re running Mikuni VM or TMX carburetors and experiencing lean conditions or flat spots, upgrading to the correct jet size is one of the fastest tuning adjustments you can make. This 4-pack of OEM-spec #260 main jets gives you the sizing you need to dial in optimal performance without the guesswork.
- Size: #260
- Quantity: 4-pack
- Manufacturer: Mikuni, Japan
- MPN: 4/042-260
- Fits: VM18 (clamp-on)
- Fits: VM24-512
- Fits: VM26-512
- Fits: VM26-606
- Fits: TMX series
- Compatibility: Other carbs w/ 4/042 jets
- Installation: Direct drop-in
- Verify fitment: Check dimensions






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