TOPMAQ K7RTC, Owner'S Manual, Page: 29 / 36

·
27
·
TROUBLESHOOTING
If still can’t starting, have the engine to our authorized dealer for
repairing.
· When testing the spark plug, never hold the high- voltage wire of
the spark plug with wet hand.
· Make sure there is no spilled fuel outside the engine and that the
spark plug isn’t dipped with fuel.
· To prevent fire, keep sparks far away from the spark plug
mounting hole.
2. Gasoling Engine Power Output Insufficiency
TROU-
BLE
CAUSE REMEDY
When increasing throttle, speed increase slow or
even decrease and stop running
Fuel supply system
Air in fuel line or fuel line
clogged
Exhaust air or dredge fuel
line
Main oil flow hole is not ad-
justed properly
Readjust
In carburetor, needle valve hole
and main oil flow hole clogged.
C l e a n a n d b l o w t o g e t
through
Fuel cock is clogged up.
Clean, replace damaged part
Too much carbon deposit in
combusting chamber.
Clear away
Too much car bon fouling in
muffler and exhaust pipe.
Clear away
Air cleaner is clogged up.
Clean air cleaner filter ele-
ment
Intake pipe is leaking Repair or replace
Poor compression
Piston or cylinder or piston ring
is worn
Replace the worn
Air leakage from the surface by
which cylinder block contacting
with cylinder head.
Replace cylinder gasket
Too big or too small valve clear-
ance.
Readjust
Valve tightness is poor. Repair