Mikuni VM34 base settings Home › Forums › Technical › Mikuni VM34 base settings This topic contains 3 replies, has 2 voices, and was last updated by Chris Rogers 1 week, 5 days ago. Author Posts September 4, 2017 at 10:30 am #3460 Chris RogersParticipant Here’s our base setting we’ll be using on our Mikuni carb. Obviously all motors are different so treat these as a guide only. Main Jet – 260 Pilot jet – 40 Needle clip on second slot up from the bottom. Needle jet (emulsion tube) – Q-8 Air screw 1 3/4 turns out. September 6, 2017 at 1:28 pm #3462 Chris RogersParticipant Just to add. The slide is a 2.5 needle is a 6FJ6 September 7, 2017 at 12:25 pm #3464 crunchParticipant to add, I’ve got a vm 32 320-33 model, I’ll get it set up on a dyno and compare to a VM34 I’ve got kicking about The 32 is running a bit rich as its a work in progress but it runs pretty well Main Jet – 185 Pilot jet – 50 Needle jet (emulsion tube) 159 – Q-6 The slide is a 3.0 needle is a 6DP17 Needle clip on third slot up from the bottom. Air screw 1 3/4 turns out. September 10, 2017 at 3:48 pm #3465 Chris RogersParticipant Will be interesting to see the difference between the 34mm and 32mm. Dan barford reckoned he had better results with the 32mm. Author Posts You must be logged in to reply to this topic.