Genuine Mikuni (VM TM) Large Hex Size 310 Main Jet VM4/042/310 by Niche Cycle Supply

Fitment information:

Mikuni Carburetors: VM18, VM18-VM44, TM24-TM38 non pumper, TMX series

Mikuni Needle Jet Series:  159, 176, 183, 188, 192, 193, 205, 211, 224 with 4/042 hex main

Honda OEM:CR125R (00-07), CR250R (01-07)

Suzuki OEM: DR-Z125, GS450/G500/650/750/850/1000/1100/1150, and many more.

Kawasaki OEM: KX125 (00-05), and many more.

Yamaha OEM: YZ125 (95-08), RD350/400, YFZ350 Banshee (87-06)

Suzuki OEM: RM125 (00-07

Husqvarna OEM: CR/WR125/250

Polaris OEM: Snowmobile 400XC/XCR with Mikuni TMX, and 2-Stroke models with VM carbs

and many other 2-stroke, and 4-stroke Street, ATV, and Offroad applications.