LONCIN G250F User Manual

Section 1 Safety and General Information
※Check cylinder pressure
1) Disassemble spark plug cap and spark plug.
2) Assemble pressure meter in the spark plug hole.
3) Pull recoil starter several times to measure
cylinder pressure
c. Starting poor
Cylinder
pressure
At 600rpm,
6.0-8.5 Kgf/cm
2
5. Inspecting cylinder pressure:
Put the pressure meter on the
spark plug hole and pull starter,
check pressure.
6. Assemble spark plug correct,
restart engine to test.
Pressure
insufficient.
Check valve gap if correct.
Check cylinder cover if
tightened.
Check combustion chamber if
damaged.
Check pad, valve or valve
retainer
Check piston ring, piston and
Check spark
igniting state.
Spark plug
gap
0.7-0.8mm
Replacing spark plug
Switch off
the black
lead, and
recheck.
Engine switch
trouble
Replacing
Poor insulating
High voltage
broken and
creepaging
No
spark
Affirm resistance
of the first and
second class of
igniting coils
Igniting coil
trouble
Replacing
igniting coils
Starting
poor
Check
by new
spark
plug
No
spark
Good
spark
Having
Wrong
resistance
value
7. Pressing the primer pump in
awrong way
Press the pump with thumb
quickly less than 3 times
1-9
Pressure meter

LONCIN G250F Specifications

General

Brand	LONCIN
Model	G250F
Category	Engine
Language	English