Mikuni VM Air Screw - YouTube Click to view5:21This video shows you how to set the air screw on a Mikuni VM. Near the end I breifly discuss and show exactly the text you need to know in the Mikuni VM tuning manual. I have the VM30 on a CB350 Music is royalty free Author: Nick DonaldsonViews: 155K wwwni PDF fileCreated Date: 1/12/2001 11:14:38 AM Tuning Tips & Manual Downloads | Mikunioz Tuning Tips & Manual Downloads . Please Note: Other than exact replacement OEM carburetors, all Mikuni Aftermarket Carburetors and Tuning Components are sold “As Is” for Off Road / Racing Use Only and are not intended or approved for use on vehicles operated on Public Roads or in Locations where applicable engine tampering and anti How to tune a Mikuni carburetor - YouTube Click to view on Bing1:46Idle mixture adjustment (air OR fuel screw adjustment) Mikuni Carb series #4 How a Mikuni carb works. - Duration: 9:28. PowerModz 284,893 views. 9:28. 01 "How to" CV Carburetor : Disassembly Recording Jets and Author: Pierce VaughnViews: 210K MikuniPower - Mikuni Carburetor Tuning and Maintaince Mikuni Carburetor Manuals This page lists our Carburetor Owner's and Tuning Manuals. Download and read or print these documents by clicking on the titles below. General Tuning Information Tuning Manual (1.3 MB) NOTE: These Manual files are Adobe PDF. Mikuni American Corporation Viewing this page requires a browser capable of displaying frames. Mikuni HS40 PDF file2) Fuel float adjustment: Fuel float level is critical to proper operation of any carburetor, the HS40 is no exception. Mikuni correctly adjusts the floats during assembly but they may be acciden-tally bent out of adjustment during tuning or other handling. If you have doubts, 3cyl PDF fileThe Mikuni slide type carburetors described in this manual are also known as "variable venturi" type carburetors. A venturi is a restriction within the carburetor designat to speed up the air flowing through the cart). It is at the point ot the smallest cross section that the Mikuni carburetor operation and tuning Mikuni motorcycle carburetor operation and tuning A river that suddenly narrows can be used to illustrate what happens inside a carb. screwing it out will lean the mixture while screwing it in will richen it. If the adjustment screw is in the front of the carburetor, Basic Carb Adjusting Procedures/Guidelines Basic Carb Adjusting Procedures/Guidelines - Timing can affect performance. Know where your timing is set before making carb adjustments. A couple of degrees can make a big difference in acceleration characteristics. Properly setting timing may cure ills without getting into carbs. Gearing can also be a significant factor.