Choose the nozzle size from the sales drop down sales list. This item fits the version of these carburetors sold on this site but may not match those on many similar but slightly different versions of the same size carburetors made specially by the Mikuni factory for OEM motorcycle manufacturers. The Mikunioz back board with 1 and 10mm increments may help you with identification but if it doesn’t match up, it wont and if in doubt please call our office before ordering.
The size 70 is stock for the HSR carbs when used as a Harley Davidson BigTwin carb
The size 60 is stock for the HSR Harley Davidson Sportster carbs or in some Bigtwins when suffering from over fueling or wanting to improve fuel economy.
The size 50 is used some in Suzuki DR650, and other engines.
Size 40 is a option made here for Mikunioz if wanting some middle ground between the 30 and 50 in a custom application.
The size 30 is a non-genuine nozzle made specially for Mikunioz for fitment to the TM42-6 when used on KLX 650’s and Honda XR600 and 650 engines along with most big singles or multi carb applications. This nozzle will also provide even better fuel economy when used on other Big Singles.