DAELIM BESBI SC125 -, Service Manual

Page: 32 / 188

CYLINDER COMPRESSION PRESSURE
Start and warm up the engine.
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 kg/cm 2 (570RPM)
If the pressure is low, check the following:
-Inadequate valve clearance adjustment
-Valve gas leakage
-Leakage the gasket from the cylinder head
-Piston/cylinder worn
If pressure is high, check the following:
-Carbon deposits on the piston head, and cylinder head.
CARBURETOR IDLE SPEED
Turn the main key left, release the seat lock.
Remove the luggage box.
Adjust the throttle stop screw with (+) screw driver.
NOTE
Erect the motorcycle on the main stand
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.
-Idle spped 1600 100rpm
Do not over adjustment the pilot screw, it could be
effect to starting (refer to page5-9)
BRAKE FLUID
Check the oil level inside the front reservoirs, if the oil
level is near the lower limit line, remove the reservoir
diaphragms and fill DOT 3 and DOT 4 brake fluid to
the top limit line.
If the brake fluid reaches the lower limit line, check the
entire brake system for leaks.
3-6
INSPECTIONS / ADJUSTMENTS