Brozz too lean fix

[putterputter]

I have a 2020 Brozz 250, everything is stock, except for an NKG iridiumn spark plug. I have got about 1250 miles on it since June 2020. Bike runs fine, not worried about speed or power , just ride back roads and and rarely go over 45 mph and ride about an hour when i go out.

I am concerned that the bike is too lean and may ultimately hurt the engine, so i am looking for some way to change that around. I have the stock Keihin carb and would like to take it off and keep it stock just in case i ever want to go back to a straight stock setup.

I am thinking of getting another Kehlin carb from Peace sports and rejetting it to a 115 main and maybe try and increase the airflow mixture screw, or another idea would be to get a VM26 Mikuni and rejet it as well or is there something else i can do to my stock bike besides rejetting to make it run less lean,

i live in Ohio elevation about 1000 , always run premium 93 octane, just a shade tree mechanic skill level.


Any ideas would be greatly appreciated