TEST OR INSPECTION
Check engine cooling fins for blocking and collection of debris.
Remove all debris from engine cooling fins.
Check engine oil level.
If oil level is low, refill engine with oil as required (see paragraph 3-2).
Check engine blower housing for dents and damage.
ENGINE LACKS POWER OR OPERATES AT SLOW SPEED.
Check for improper throttle setting.
Adjust throttle setting to increase engine speed to desired rate.
Check for closed choke.
If choke is closed, open choke.
Check for contaminated fuel.
If fuel is contaminated, drain engine fuel tank and refill with fresh leaded or unleaded regular gasoline.
Check for low engine oil level.
Inspect throttle linkage for bad adjustment and for loose or missing hardware.
Check governor linkage for bad adjustment or loose/missing hardware.
Adjust governor linkage (see paragraph 3-27). Tighten or replace loose or missing hardware.