BOLD MAGENTA part numbers are new for 2025 FUEL/AIR SYSTEMS PARTS-UNLIMITED.COM SNOW | 2025 FUEL/AIR SYSTEMS 631 TYPE 159 SIZE CODE PART # FITS MIKUNI VM30-36MM SPIGOT O-4 159-O-4 O-6 159-O-6 O-8 159-O-8 P-0 159-P-0 P-2 159-P-2 P-4 159-P-4 P-5 159-P-5 P-6 159-P-6 SIZE CODE PART # FITS MIKUNI VM30-36MM SPIGOT (CONT) P-8 159-P-8 Q-0 159-Q-0 Q-2 159-Q-2 Q-4 159-Q-4 Q-5 159-Q-5 Q-6 159-Q-6 Q-8 159-Q-8 R-5 159-R-5 TYPE 166 SIZE CODE PART # FITS MIKUNI VM38 SPIGOT P-0 166-P-0 P-2 166-P-2 P-4 166-P-4 P-5 166-P-5 P-6 166-P-6 P-8 166-P-8 SIZE CODE PART # FITS MIKUNI VM38 SPIGOT (CONT) Q-0 166-Q-0 Q-2 166-Q-2 Q-4 166-Q-4 Q-5 166-Q-5 Q-6 166-Q-6 Q-8 166-Q-8 R-0 166-R-0 TYPE 224 SIZE CODE PART # FITS MIKUNI VM40-44MM SPIGOT AA-0 224-AA-0 AA-5 224-AA-5 BB-0 224-BB-0 SIZE CODE PART # FITS MIKUNI VM40-44MM SPIGOT (CONT) BB-5 224-BB-5 CC-0 224-CC-0 Z-5 224-Z-5 TYPE 247 SIZE CODE PART # FITS SOME OE YAMAHA P-4 247-P-4 P-6 247-P-6 P-8 247-P-8 Q-0 247-Q-0 SIZE CODE PART # FITS SOME OE YAMAHA (CONT) Q-2 247-Q-2 Q-4 247-Q-4 Q-8 247-Q-8 R-0 247-R-0 R-2 247-R-2 TYPE 389 SIZE CODE PART # FITS MIKUNI TM32-38MM SPIGOT O-0 389-O-0 P-2 389-P-2 P-4 389-P-4 SIZE CODE PART # FITS MIKUNI TM32-38MM SPIGOT (CONT) P-6 389-P-6 P-8 389-P-8 Q-0 389-Q-0 SIZE CODE PART # FITS MIKUNI TM32-38MM SPIGOT (CONT) Q-2 389-Q-2 Q-4 389-Q-4 Q-8 389-Q-8 GENUINE MIKUNI NEEDLE JETS •Needle jets allow a great way for tuning carb at 1/43/4 turn throttle •Genuine Mikuni needle jets will have series and size stamping for identification •Inside diameter increases in size as size’s code increases alphabetically and numerically •Sold each •Made in Japan DESCRIPTION PART # Needle jet e-rings 1007-0325 NEEDLE JET E-RING •Sold to dealers in packs of 4, sold to consumer as each •Mikuni PART #BS32/126 DESCRIPTION PART # Pocket tuner MK-550 POCKET TUNER •The handiest tool of all – a genuine Mikuni pocket-size slide calculator • Indicates jetting changes in Mikuni carbs necessitated by ambient temperature, altitude or both •A scale is included to determine rich or lean carb conditions •Tuner can be used for all single- and multi-carb 2- and 4-stroke applications DESCRIPTION PART # Tri-fork type needle and seat 409 TILLOTSON NEEDLE AND SEAT •Fits HD 3/8” • Replacement for TIllotson Tri-Fork type needle and seat •Sold each DESCRIPTION PART # Needle and seat for Mikuni 410J NEEDLE AND SEAT FOR MIKUNI •Replaces genuine Mikuni PART #VM28/163-1.5 •Fits all 30-40mm aluminum spigot mounts •Sold each DESCRIPTION PART # Power jet kit VMPJK POWER JET KIT • Converts a VM-type Mikuni carb to a Power Jet carb (sizes 30 mm-44 mm) •Includes all parts needed to complete the conversion and three type N102/221 power jets (80, 100, 120) to get the tuning operation started •Mikuni PART #MK-406 •Made in Japan
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