6-5
TRBL
ENGINE
ENGINE SPEED DOES NOT INCREASE
Remove the electric
equipment with too
much wattage.
Check if the electric equipment consumes too
much wattage for this generator.
GOOD
TOO MUCH
Decarbonize the com-
bustion chamber if there
is carbon deposits.
Check the compression pressure.
GOOD
TOO HIGH
TOO LOW
Clean.
Check the air filter element for dirt.
GOOD
DIRTY
Clean, adjust, or replace.
Check the spark plug for dirt and check the spark
plug gap.
GOOD
DIRTY OR OUT OF
SPECIFICATION
Adjust.
Measure the valve clearance.
GOOD
OUT OF
SPECIFICATION
Resurface or
replace.
Check the valve face and valve seat for wear.
GOOD
WORN
Correct.
Check if the marks on the crankshaft and cam-
shaft are aligned.
GOOD
NOT GOOD
Rebore or
replace.
Check if there is seizure, wear, or damage on the
piston, piston ring, or cylinder.
GOOD
SEIZURE OR WORN