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, refer to CARBURETOR DISASSEMBLY AND ASSEMBLY

Accelerator pump jets misaimed/linkage misadjusted Perform linkage adjustment, aim jets, refer to ADJUSTMENT PROCEDURES

Restricted air cleaner Replace air cleaner element

Restricted exhaust system Repair restriction