I've been asked how to do this and notice there isn't a sticky for this in the carbs section.
First, here's a link showing where the float bowl drain screws are:
http://www.vmaxforum.net/showthread.php?t=1570
The line on the carb body to measure from is on the left side of each carb just rear of the slide cover. See below. The line is in between "Mikuni" and "Made in Japan".
To measure, need some clear hose that'll fit over the drain tube nice and tight. One end of hose attaches to the drain tube. For the other end, measure 15 mm down from the end and mark it...I use electrical tape. Measure 17 mm down and mark again. You should now have a small window between the pieces of black tape...that's the range for fuel level to be in spec. Open drain screw. Cycle key on/off to keep float bowls full of fuel. Watch the clear hose and make sure no bubbles...raise tube up and down to get rid of any. Now, line the end of the hose with tape with the mark on the carb body. See if fuel is in the window...if it is you're in spec. If above window you're too rich and need to bend float tang out a bit. If below window to lean and need to push tang in slightly. I shoot for 17 mm since Vmax likes it on the lean side. I also ensure all four carbs read the same.
Mark
First, here's a link showing where the float bowl drain screws are:
http://www.vmaxforum.net/showthread.php?t=1570
The line on the carb body to measure from is on the left side of each carb just rear of the slide cover. See below. The line is in between "Mikuni" and "Made in Japan".
To measure, need some clear hose that'll fit over the drain tube nice and tight. One end of hose attaches to the drain tube. For the other end, measure 15 mm down from the end and mark it...I use electrical tape. Measure 17 mm down and mark again. You should now have a small window between the pieces of black tape...that's the range for fuel level to be in spec. Open drain screw. Cycle key on/off to keep float bowls full of fuel. Watch the clear hose and make sure no bubbles...raise tube up and down to get rid of any. Now, line the end of the hose with tape with the mark on the carb body. See if fuel is in the window...if it is you're in spec. If above window you're too rich and need to bend float tang out a bit. If below window to lean and need to push tang in slightly. I shoot for 17 mm since Vmax likes it on the lean side. I also ensure all four carbs read the same.
Mark
![Bovemanx Motorcycle Phone Mount Holder, [150mph Wind Anti-Shake][7.2inch Big Phone Friendly] Bike Phone Holder, Motorcycle Handlebar Cell Phone Clamp, Compatible with iPhone 16 Pro Max Smartphones](https://m.media-amazon.com/images/I/51F+1sontPL._SL500_.jpg)
