6-4
TRBL
ENGINE
ENGINE STARTS BUT STALLS
Add.
Check the fuel level.
SUFFICIENT
INSUFFICIENT
Clean or replace.
Check if the fuel tank cap is clogged.
GOOD
CLOGGED
Clean.
Check if the fuel cock is clogged.
GOOD
CLOGGED
Check the compression pressure.
OUT OF
SPECIFICATION
GOOD
9
Tighten the carburetor
nuts securely.
9
Replace the carburetor
joint or gasket with a
new one.
Check if there is air suction from the carburetor
joint, gasket, or throttle shaft.
GOOD
NOT GOOD
Adjust.
Measure the valve clearance.
GOOD
OUT OF
SPECIFICATION
Clean.
Check if the fuel hose is clogged.
GOOD
CLOGGED
Adjust.
Check the TCI unit air gap.
GOOD
NOT GOOD
Repair or replace.
Check if there is seizure, wear, or damage on the
piston, piston ring, or cylinder.
GOOD
SEIZURE OR WORN