Mikuni 159 R-0 Needle Jet Mikuni VM
159 R-0 Needle Jet Mikuni VM series carburetors (VM34). The R-0 jet is a richer running jet. On the Mikuni lean to rich chart there are 26 Needle Jets in the 159 series, R-0 is the sixth jet from the richest. The 159 series jets fit VM30-VM36 spigot type carbs.