Sym JOYRIDE 125 - 5. Fuel Injection System; EFi System Diagram

5
. Fuel Injection System
5-1
EFi System Diagram······························ 5-1
EFi System Introduction························ 5-2
EFi System Components······················· 5-3
EFi System Location ····························· 5-4
EFi System Component Description···· 5-5
EFi System Circuit································· 5-8
Precautions in Operation······················ 5-9
Troubleshooting ···································· 5-10
Throttle Body & By-pass Valve Clean
Procedure··············································· 5-14
Fuel Lines··············································· 5-15
Ignition System······································ 5-16
Crankshaft Position Sensor··················5-17
Engine Temperature Sensor / T-Map Sensor
·································································5-18
Air By-pass Valve···································5-19
Fuel Injector············································5-19
Fuel Pump···············································5-19
Fuel Unit··················································5-20
Fuel Tank ················································5-23
Air Cleaner··············································5-24
EFi Troubleshooting & Solution ···········5-25
EFi Components Malfunction Check &
Replacement Procedure························5-53
EFi System Diagram
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