Misfires/Lack Of Power: Carbureted

Ensure engine has sufficient compression.
Verify choke valve is open.
Ensure fuel level is at specified mark on carburetor sight glass.
Verify fuel is dispensed at accelerator pump jets as throttle valve is opened.
Ensure fuel system pressure is correct.
Verify base timing is correct and that timing advance system is functional.
Check EGR valve operation.
Check bowl vent solenoid valve operation.
Check high altitude compensation switch operation.
Check throttle switch operation.