Description
Pilot jets are critical for low-throttle engine response and cold-start performance—a worn or incorrect jet size creates hesitation, poor fuel economy, and unreliable idling. This OEM-spec 4-pack from Mikuni ensures you have fresh jets on hand for carburetor tuning, diagnostics, or routine maintenance without downtime. Built to Japanese manufacturing standards, these jets deliver the precision air-fuel mixture your engine demands at part-throttle operation.
- Manufacturer: Mikuni
- MPN: VM28/486-17.5
- Jet Type: Pilot (idle circuit)
- Quantity: 4-pack
- Fitment: HS40, HSR42/45/48, RS34-RS40, TM33/36/40 carburetors
- Application: Requires accelerator pump model
- Origin: Made in Japan
- Material: Precision-engineered brass
- Installation: Bolt-on replacement






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