Description
Upgrading your main jet is one of the most direct ways to dial in your Mikuni carburetor’s fuel delivery for optimal performance and throttle response. Whether you’re tuning a high-revving engine, adjusting for altitude or ambient conditions, or recovering lost performance after modifications, the right jet size is non-negotiable. This 4-pack of genuine Mikuni #75 main jets gives you the flexibility to test, tune, and keep spares on hand—eliminating guesswork and downtime.
- Genuine Mikuni component
- Size: #75 main jet
- Part number: 4/042-75
- Quantity: 4 jets per pack
- Fits VM18 (clamp-on) carburetors
- Fits VM24-512 carburetors
- Fits VM26-512 carburetors
- Fits VM26-606 carburetors
- Fits TMX Series carburetors
- Replaces OE 4/042 jets
- Made in Japan
- Verify fitment before ordering
- Bolt-on installation






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