100862 - FRONT TiNE TiLLER
TROUbLESHOOTiNG
36
Difficulty Starting Engine (Recoil)
Problem
Cause
Solution
Something wrong with the fuel system:
fuel supply is not smooth or no fuel
supply
There is no enough fuel in fuel tank and
fuel cock is closed.
Fill fuel, open fuel cock.
Air vent in the fuel filler cap is clogged.
Dredge air vent.
Fuel cock is clogged.
Clean first and then dredge.
Improper or clogged main oil flow hole.
Readjust or clean. Blow to clear through.
Needle valve is not closed properly or
start hole is clogged.
Dismantle needle valve and repair, clean. Blow to
get through.
Float is damaged or sticking.
Repair float.
Fuel is too filthy or deteriorated.
Replace.
There is water in fuel.
Replace.
Too much fuel in engine.
Drain extra fuel. Dry up spark plug electrodes.
Wrong fuel brand.
Select proper fuel brand corresponding with the
requirements.
No spark
Too much carbon deposit and dirt
around electrodes.
Clear carbon deposits.
Too much carbon deposit and dirt
around electrodes.
Replace spark plug.
Too much carbon deposit and dirt
around electrodes.
Adjust to proper value.
Abnormal cylinder compression
Piston ring is at its wear limit.
Replace.
Piston ring is broken.
Replace.
Piston ring is sticking.
Clear up carbon fouling.
Spark plug is not installed tightly or
gasket is missing.
Tighten with a gasket in.
Air leakage between cylinder block and
cylinder head.
Check cylinder gasket and the flatness of the
surface where the cylinder block contacts the
cylinder head.
Tighten cylinder head bolts in stipulated order to
stipulated torque.
Air leakage in the valves.
Check valve clearance and tightness. Repair if
necessary.
if engine still doesn’t start, contact our Technical Support Team for service and/or repair.
WARNiNG
–
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 covered with fuel.
–
To prevent fire, keep sparks far away from the spark plug mounting hole.
