BOLD MAGENTA part numbers are new for 2026 PARTS-UNLIMITED.COM 2026 | SNOW FUEL/AIR SYSTEMS FUEL/AIR SYSTEMS 606 GENUINE MIKUNI NEEDLE JETS •Needle jets allow a great way for tuning carb at 1/4 to 3/4 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 TYPE 159 SIZE CODE PART # FITS MIKUNI VM30 TO 36 MM 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 TO 36 MM 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 MM 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 Q-0 166-Q-0 SIZE CODE PART # FITS MIKUNI VM38 MM SPIGOT (CONT) 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 TO 44 MM SPIGOT AA-0 224-AA-0 AA-5 224-AA-5 BB-0 224-BB-0 SIZE CODE PART # FITS MIKUNI VM40 TO 44 MM 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 Q-2 247-Q-2 SIZE CODE PART # FITS SOME OE YAMAHA (CONT) 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 TO 38 MM SPIGOT O-0 389-O-0 P-2 389-P-2 P-4 389-P-4 SIZE CODE PART # FITS MIKUNI TM32 TO 38 MM SPIGOT (CONT) P-8 389-P-8 Q-0 389-Q-0 Q-2 389-Q-2 SIZE CODE PART # FITS MIKUNI TM32 TO 38 MM SPIGOT (CONT) Q-4 389-Q-4 Q-8 389-Q-8 DESCRIPTION PART # Needle jet e-ring 1007-0325 NEEDLE JET E-RING • Sold to dealers in 4 pk., 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 # Needle and seat for Mikuni 410J NEEDLE AND SEAT FOR MIKUNI •Replaces genuine Mikuni PART #VM28/163-1.5 •Fits all 30 to 40 mm 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 to 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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