Description
Precision fuel metering is non-negotiable in carbureted performance builds. These OEM-spec main jets deliver consistent jetting across a wide range of Mikuni applications, eliminating guesswork and ensuring repeatable, reliable engine tuning. Stock with a 4-pack, you’ll have spares on hand for testing different setups or quick field replacements.
- Size: #540 main jet
- Fitment: VM18 (clamp-on), VM24-512, VM26-512, VM26-606, TMX Series
- OEM replacement: 4/042 original equipment jets
- Material: Precision-machined brass
- Quantity: 4 jets per pack
- Origin: Made in Japan
- Installation: Bolt-in, no modification required
- Specification compatibility: Check carb model and original jet size before ordering






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