Sym Jet 4 125 Manual page 93

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SYM
PRECAUTIONS IN OPERATION ...... 2-1
PERIODICAL MAINTENANCE
SCHEDULE ....................................... 2-2
LUBRICATION SYSTEM ................... 2-3
FUEL SYSTEM .................................. 2-4
AIR CLEANER ................................... 2-5
THROTTLE VALVE OPERATION ..... 2-5
CRANKCASE BLOW-BY SYSTEM ... 2-6
VALVE CLEARANCE INSPECTION &
ADJUSTMENT................................... 2-6
CARBURETOR IDLING SPEED
ADJUSTMENT ................................. 2-7
PRECAUTIONS IN OPERATION
Specification
Fuel Tank Capacity
Engine Oil
Transmission Gear oil
Clearance of throttle valve
Spark plug
" F" Mark in idling speed
Full timing advanced
Idling speed
Cylinder compression pressure
Valve clearance: IN/EX
Tire dimension
Tire pressure (cold)
battery
Play of drum brake lever
2. MAINTENANCE INFORMATION
IGNITION SYSTEM/SPARK PLUG ..2-8
CYLINDER COMPRESSION
PRESSURE ........................................2-9
DRIVING SYSTEM .............................2-9
STEERING SYSTEM..........................2-10
SUSPENSION SYSTEM ....................2-10
FRONT DISK BRAKE SYSTEM .........2-11
DRUM BRAKE SYSTEM ....................2-13
WHEEL/TIRE......................................2-14
BATTERY ...........................................2-15
HEADLIGHT ADJUSTMENT ..............2-15
NUTS、BOLTS TIGHTEN..................2-15
5.2L
capacity
950 c.c.
change
700 c.c.
capacity
180 c.c.
change
170 c.c.
2~6 mm
A7RTC Gap: 0.6~0.7 mm
Before TDC 13º / 1700 rpm
Before TDC 27º / 8000 rpm
1800±100 rpm
12±1 kg/cm² (450rpm)
0.12±0.02 mm/0.12±0.02) mm
front / rear
120/60-13 56J 130/70-12 56J
single
Front: 2.00 kg/cm² rear: 2.00 kg/cm²
Two persons Front: 2.00 kg/cm² rear: 2.25 kg/cm²
12V6Ah (closed type, maintenance-free battery)
10~20 mm
2-1

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