Sym RS-50 - Service Maintenance Information; General Information

2. SERVICE MAINTENANCE INFORMATION
2-1
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
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 Test2-13
Headlight Adjustment··························2-14
General Information
Specification
Tire dimension
Front: 100/90-12
Rear: 130/70-12
Tire pressure at cold Only rider
Front: 1.75kg/cm
2
Rear: 2.25 kg/cm
2
Front brake lever free play 10~20 mm
Rear brake lever free play 10~20 mm
Transmission oil Recommendation
Type: HYPOID GEAR OIL
Oil: SAE #140 Quantity: 0.12L
Replacement: 0.11L
Spark plug Recommendation
Type: NGK BR8HSA
Plug gap: 0.6~0.7mm
Driving belt width
Standard 18.0mm
Allowable limit: replace it if below 16.5mm
Ignition timing F mark
17°, BTDC/1500 rpm
Acceleration operation 2~6 mm
Idle speed
2000±100 rpm
Cylinder compression pressure
7±1 kgf/cm²
2
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