Service Maintenance Information - Sym Jet 50 Service Manual

General Information ························· 2-1
Periodical Maintenance Schedule··· 2-2
Air Cleaner ········································ 2-3
Fuel Lines ········································· 2-3
Fuel Filter ·········································· 2-4
Engine Oil Line ································· 2-4
Oil Pump Control Cable ··················· 2-5
Tire····················································· 2-6
Battery··············································· 2-6
Rear Brake Free Play: (Drum Brake Type)
···························································· 2-7
Brake System Hose: (Front Disc Brake
Type)·················································· 2-8
Steering System ······························· 2-10
General Information
Specification
Item
Tire dimension
Tire pressure at cold
Rear brake lever free play
Transmission oil / Recommendation
Spark plug / Recommendation
Driving belt width
Ignition timing F mark
Acceleration operation
Idle speed
Cylinder compression pressure
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2. SERVICE MAINTENANCE INFORMATION

Only rider
Type: HYPOID GEAR OIL
Oil: SAE #140 Quantity: 0.12 L Replacement: 0.11L
Type: NGK BR8 HSA
Plug gap: 0.6-0.7mm
Allowable limit: replace it if below 16.5mm
2000 ¡ Ó 100 rpm
7 ¡ Ó 1 kgf/cm²
Contents
Suspension····································· 2-10
Transmission Oil ···························· 2-11
Spark Plug ······································ 2-11
Control Cable Lubrication ············· 2-12
Driver Belt ······································· 2-12
Ignition Timing ······························· 2-12
Throttle Valve Operation················ 2-12
Carburetor Idle Speed Adjustment 2-13
Carbon Removing For Exhaust Pipe &
Muffle··············································· 2-13
Cylinder Compression Pressure Test
Headlight Adjustment ···················· 2-14
Model
JET 50
Front: 120 / 70 - 12, Rear: 130 / 70 - 12
2
Front: 1.75kg/cm Rear: 2.0 kg/cm
10~20 mm
Standard 18.0mm
17 ¢ X , BTDC/1500 rpm
2~6 mm
2-13
JET 100
2
Type: NGK BR6 HSA
Plug gap: 0.6-0.7mm
2100 ¡ Ó 100 rpm
10 ¡ Ó 2 kgf/cm²
2-1
2