Sym PA12B User Manual

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2. Maintenance Information
Idle Adjustment
2-9
Caution:
z You should finish all the other
configurations before idle speed
adjustment.
z The engine must be fully warmed before
idle adjustment.
Use the main stand of the bike, and warm up
the engine.
Clip on the RPM sensor (Clip the RPM sensor
clamp on the spark plug cap wire)
Turn the idle adjusting screw to reach the
recommended idle RPM.
Recommended idle RPM：1500±100rpm
Emission adjustment in idle speed
Warm up the engine for around 10 minutes
and then conduct this adjustment.
Connect the tachometer onto engine.
Adjust the throttle valve stopper screw and let
engine runs in 1500±100 rpm.
Insert the exhaust sampling pipe of exhaust
analyzer into the front section of exhaust pipe.
Adjust the air adjustment screw so that
emission value in idle speed is within
standard.
Slightly accelerate the throttle valve and
release it immediately. Repeat this for 2~3
times.
Read engine RPM and value on the exhaust
analyzer. Repeat step 2 to step 4
procedures until measured value within
standard.
Emission standard CO: 3. 0 %↓
HC: 2,000 P.P.M.↓
Idle adjustment screw
Spark plug cap
Air adjustment screw

Sym PA12B Specifications

General

Brand	Sym
Model	PA12B
Category	Motorcycle
Language	English