
14
Removal from Storage
Before reusing, service the engine in accordance with the instrucon of the table.
Storage Time Service Item
Within one month None
One - two months Drain out original fuel of the fuel tank and refuel
Two month - one year
Drain out original fuel of the fuel tank and refuel
Drain out fuel in the carburetor 1
Empty the deposit cup 2
Above one year
Drain out original fuel of the fuel tank and refuel
Empty the fuel cup in the carburetor 1
Empty the deposit cup 2
(1)Screw o the drain plug and drain out fuel in the carburetor.
(2)Turn o the engine switch rst,disconnect the deposit cup and empty it. Note: for the sake of environmental protecon, we recomment to ll the discard-
ed fuel into a closed container and bring to local recyling staon. Never pour freely -
WARNING:
Fuel is extremely ammable and explosive under certain condions. Keep cigaree, open ames and sparks away from operang site.
Problem Cause Remedy
1. Not normal cylinder compression
2. Not normal spark plug spark
3. Fuel system funconality
4. Fuel supply not smooth or no fuel smooth
Not enough fuel in fuel tank
Air vent in the fuel ller cap is clogged
Fuel cock is clogged
Improper or clogged main oil ow hole
Need valve is not closed properly or start hole
clogged
Float is damaged or scking
Fill fuel, open fuel cock
Dredge air vent
Clean rst and then dredge
Readjust or clean, blow to get through
Dismantle needle valve and repair, clean, blow
to get through
Repair oat
1. Not normal cylinder compression
2. Not normal spark plug spark
3. Fuel system funconality
4. Fuel supply not smooth or no smooth fuel
Fuel is too lthy or deteriorated
There is water in fuel
Too much fuel in engine
Wrong fuel brand
Replace
Replace
Drain extra fuel, dry up spark plug electrodes
Select proper fuel brand corresponding with
the requirements.
1. Not normal cylinder compression
2. Not normal fuel supply
3. Normal high - pressure coil spark
4. Spark plug is in bad condions
Too much carbon deposit and dirt around elec-
trodes
Electrodes or insulators are seriously damaged
Improper electrodes gap
Clear dirt or any deposits
Replace spark plug
Adjust to proper value
1. Not Normal cylinder compression
2. Not normal fuel supply
3. No high pressure coil spark
4. Not normal spark plug funcon
High pressure coil is damaged
Ignion coil is damaged
Magneto loses magnesm
Replace
Replace
Replace
1. Poor cylinder compression
2. Not normal fuel supply
3. Not normal ignion
Piston ring is worn or over wear limit
Piston ring is broken
Piston ring is scking
Spark plug not installed, ghtened / without gasket
Air leakage between cylinder block & cylinder head
Replace
Replace
Clear up carbon fouling
Tighten with a gasket in
Check cylinder gasket and the atness of the
surface by which cylinder block contacng
with cylinder head, ghten cylinder head bolts
in spulated order to spulated torque.
I. Diculty starng with the engine
Troubleshoong
1. By using kick-starter
WARNING:
- When tesng the spark plug never hold the high voltage wire of the spark plug with wet hands.
- Make sure there is not spilled fuel outside the engine and that the spark plug isn't dipped with fuel.
- To prevent re, keep sparks far away from the spark plug mount hole.