Lack of Power, Sluggish

Definition: Engine delivers less than expected power. Little or no increase in speed, when accelerator pedal is pushed down part way.
POSSIBLE CAUSE ACTION
Accelerator pump circuit dirty/inoperative Check accelerator pump operation, clean as necessary. Carburetor Replacement

Accelerator pump jets mis-aimed/linkage misadjusted Perform linkage adjustment, aim jets.

Restricted air cleaner Replace air cleaner element

Restricted exhaust system Repair restriction