The Mikuni HSR45 Jet Kit KHS-045 is a genuine 44-piece brass tuning assortment designed specifically for Mikuni HSR45 smoothbore carburetors.

Help adjust fuel delivery for performance upgrades, engine modifications, or changes in elevation.

Kit Contents
Main jets: 165 through 185 range (2 of each size)
Pilot jets: 20 through 32.5 range (2 of each size)
Jet needles: -95, -96, and -98 profiles (1 of each)
Accelerator pump nozzles: Two #60 nozzles
Hardware: 2 O-rings, 4 jet needle E-rings, and washers

Uses and Application
Fine-tunes fuel mixtures across idle, mid-range, and full throttle.
Compensates for aftermarket exhaust systems, high-flow air cleaners, or altitude shifts.
Built with genuine brass components manufactured in Japan.