DAELIM HISTORY 125 - SERVICE, Service Manual

Page: 34 / 208

●
Loosen the lock nut with a valve wrench, and set valve
clearance to a prescribed level by turning the adjusting
screw with a valve adjusting wrench.
●
After setting clearance to the prescribed level, hold the
adjuster screw with a valve adjusting wrench, and
tighten the lock nut.
TORQUE VALUES : 1.1kgf
·
m
TOOLS : WRENCH 8X9mm
ADJUSTING WRENCH B
FEELER GAUGE
●
Measure the valve clearance again.
●
Install the cylinder head cover and tighten the bolts.
TORQUE VALUES : 1.0 kgf
·
m
CYLINDER COMPRESSION PRESSURE
●
Start and warm up the engine.
●
Remove the plug maintenance cover.
●
Stop engine, and remove the spark plug cap and spark
plug.
●
Install a compression gauge.
●
Open the throttle completely, and crank the engine with
the starter motor until the gauge reading rising.
TOOL : COMPRESSION GAUGE
NOTE
•
The maximum reading is usually reached within 4~7
seconds.
COMPRESSION PRESSURE : 13.8 kg/cm 2
●
If the pressure is low, check the following:
-Inadequate valve clearance adjustment
-Valve leakage
-Leakage from the cylinder head gasket
-Piston/cylinder worn
●
If pressure is high, check the following:
-Carbon deposits on the piston head, and cylinder head.
CARBURETOR IDLE SPEED
●
Remove the plug maintenance cover.
(
⇨
4-5)
●
Check the idle speed and adjust if necessary by turning
the throttle stop screw.
NOTE
•
Verify all engine adjustments satisfy specifications.
Make adjustments, if necessary.
•
Heat the engine to make accurate idling inspection
and adjustment. Stand the vehicle on the main stand.
•
Turn the throttle stop screw and make adjustments to
prescribed idling speed.
3-6
INSPECTIONS / ADJUSTMENTS
THROTTLE STOP SCREW
ADJUSTER
WRENCH FEELER
GAUGE
SPARK PLUG
COMPRESSION
GAUGE