With a Flat head Screwdriver
A vacuum gauge is all you need to tune in a carb. A gauge for each carb if you have more than one.
replace the plug, clean dirt from carb, change the air filter,
The cast of Spankin - 2014 includes: Ucal Shillingford
It probably needs a tune-up and the carb and choke looked at.
what are the carb settings fro a 1988 f350 pickup
Properly tune your t-maxx and ensure no carb air leaks! Also, check for driveline restriction.
UCLA
throw them away, get single carb manifold from ccworks.com, put on kiehin harley carb. all other fixes are difficult to do . hitachis especially are a bear to get right. mikunis not so bad.
Get a carb sync device like.carbtune or take it for a proper dynotune... workshop without a dyno is just a waste of money and you can do at least as good a blind tune yourself.
bore carb out to 50 mm drill main jet to180 remove air filter
sit on it and turn the srew . when it feels like its about to go faster or pull hardest that's it