Mikuni TM34 Flat Slide Carb- Tuning the Main Jet (it was way to rich)! Tuning Part 1

In this video we switch the main jet from a 250 to a 220 in a Mikuni TM34 flat slide carburetor. This carb was purchased from Performance 670 in June of 2023 and I've been messing with it trying to make it run great ever since. It isn't to bad just idling around (which is 90 percent of what I do) but at sustained cruising speeds it runs way to rich. The motor it is mounted on is a Predator 670 V twin. The motor has the governor delete, shorty 2 into 1 exhaust headers with insulating wrap, 2" motorcycle muffler- slip on style. Otherwise the motor is stock. #mikuni #predator670 #mudmower #carburetor #tuning

Here is the link to Niche Cycles where I bought all the jets for this carb:

http://www.nichecycle.com/ncs/niche_cycle_supply.html