DAELIM ET-250 Service Manual page 3

6-3 Troubleshooting...............................................................................................................................37
6-4 Cylinder Head Removal ..................................................................................................................38
6-5 Cylinder Head Inspection................................................................................................................41
6-6 Valve Stem Replacement .................................................................................................................44
6-7 Valve Seat Inspection and Service...................................................................................................45
6-8 Cylinder Head Reassembly .............................................................................................................48
6-9 Cylinder Head Installation...............................................................................................................50
6-10 Valve Clearance Adjustment ..........................................................................................................52
7. CYLINDER/PISTON ................................................................................................................................54
7-1 Mechanism Diagram .......................................................................................................................54
7-2 Precautions in Operation .................................................................................................................55
7-3 Trouble Diagnosis ............................................................................................................................55
7-4 Cylinder and Piston Removal..........................................................................................................56
7-5 Piston Ring Installation...................................................................................................................59
7-6 Piston Installation............................................................................................................................60
7-7 Cylinder Installation........................................................................................................................61
8. V-BELT DRIVING SYSTEM ...................................................................................................................63
8-1 Mechanism Diagram .......................................................................................................................63
8-2 Maintenance Description.................................................................................................................64
8-3 Trouble Diagnosis ............................................................................................................................64
8-4 Left Crankcase Cover......................................................................................................................65
8-5 Drive Belt ........................................................................................................................................67
8-6 Drive Face .......................................................................................................................................69
8-7 Clutch Outer/Driven Pulley.............................................................................................................72
9. FINAL DRIVING MECHANISM ............................................................................................................77
9-1 Mechanism Diagram - transmission cover ......................................................................................77
9-2 Precautions in operation..................................................................................................................78
9-3 Trouble Diagnosis ............................................................................................................................78
9-4 Disassembly of Transmission..........................................................................................................79
9-5 Inspection of Mission Mechanism ..................................................................................................82
9-6 Bearing Replacement ......................................................................................................................84
9-7 Re-assembly of Final Driving Mechanism......................................................................................87
10. ALTERNATOR/STARTING CLUTCH ..................................................................................................89
10-1 Mechanism Diagram .....................................................................................................................89
10-2 Precautions in Operation ...............................................................................................................90
10-3 Right Crankcase Cover Removal ..................................................................................................91
10-4 A.C.G. Set Removal.......................................................................................................................91
10-5 Right Cover Bearing......................................................................................................................91
10-6 Flywheel Removal.........................................................................................................................92
10-7 Starting Clutch...............................................................................................................................93
10-8 Flywheel Installation.....................................................................................................................95
10-9 A.C.G. Set Installation...................................................................................................................96
10-10 Right Crankcase Cover Installation.............................................................................................96
11. CRANKCASE / CRANK ........................................................................................................................98
11-1 Mechanism Diagram......................................................................................................................98
11-2 General information.......................................................................................................................99
11-3 Trouble diagnosis...........................................................................................................................99
11-4 Disassembly of crankcase............................................................................................................100
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