Electrical system ........................................................................................................................................................ 24
Precautions ................................................................................................................................................................. 24
Disassembly schematic diagram ................................................................................................................................ 25
Wiring diagram .......................................................................................................................................................... 32
Spark plug ignition .................................................................................................................................................... 35
Spark plug cap ........................................................................................................................................................... 35
Flywheel maintenance ............................................................................................................................................... 35
Check engine startsup switch ..................................................................................................................................... 35
Check engine stop switch .......................................................................................................................................... 35
Detection of starting relay ......................................................................................................................................... 35
Detection of magneto coil .......................................................................................................................................... 36
Detection of rectifier regulator .................................................................................................................................. 36
Use fault diagnosis tester ........................................................................................................................................... 36
Fault code table .................................................................................................................................................. 36
Fuel system ................................................................................................................................................................ 38
Precautions ................................................................................................................................................................. 38
Disassembly schematic diagram ................................................................................................................................ 39
Release the fuel pressure in the fuel line ................................................................................................................... 44
Removal and inspection of fuel joint ......................................................................................................................... 44
Removal and inspection of fuel pump ....................................................................................................................... 45
Filter inspection ......................................................................................................................................................... 45
Disassembly and inspection of electric fuel pump .................................................................................................... 46
Inspection of fuel pipe and fuel filter ......................................................................................................................... 47
Check the fuel common rail ....................................................................................................................................... 47
Engine ........................................................................................................................................................................ 47
Precautions ................................................................................................................................................................. 47
Disassembly schematic diagram ................................................................................................................................ 48
Special tool ................................................................................................................................................................ 60
Check the compression pressure ................................................................................................................................ 60
Check oil pressure...................................................................................................................................................... 60
Remove the engine .................................................................................................................................................... 61
Pulley and timing belt ................................................................................................................................................ 61
Disassembly and inspection ....................................................................................................................................... 62
Cylinder cover ................................................................................................................................................... 62
Crankcase ........................................................................................................................................................... 66
Reinstallation ............................................................................................................................................................. 70
Assemble piston connecting rod ........................................................................................................................ 70
Installing the piston rings ................................................................................................................................... 70
Installing piston ................................................................................................................................................. 70
Installing crankshaft ........................................................................................................................................... 70
Assemble the engine .......................................................................................................................................... 71
About water ............................................................................................................................................................... 72
Top cover ................................................................................................................................................................... 72
Disassembly schematic diagram ........................................................................................................................ 72
Disassembly and inspection ............................................................................................................................... 74
Bottom cover ............................................................................................................................................................. 74
Disassembly schematic diagram ........................................................................................................................ 74
Disassembly and inspection ............................................................................................................................... 82
Steering handle .......................................................................................................................................................... 83
Disassembly schematic diagram ........................................................................................................................ 83