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General| Brand | Sym |
|---|---|
| Model | HD2 125 |
| Category | Motorcycle |
| Language | English |
Safety precautions for operating and maintaining the motorcycle.
Guidelines for proper service procedures and handling of parts.
Diagnostic guides for engine starting issues with carburetor and EFI models.
Table detailing scheduled maintenance tasks and intervals.
Wiring diagram and ECU pin assignments for the EFI system.
Flowcharts and tables for diagnosing EFI system faults.
Method of use and notes for the EFI System Diagnostic Tool.
Precautions and general information for engine removal.
Steps for reinstalling the engine onto the frame.
Common issues like low compression, high compression, and noise.
Step-by-step guide to removing and disassembling the cylinder head.
Methods for inspecting cylinder head warp, valve springs, and stems.
Procedures for replacing valve stems, guides, and servicing valve seats.
Steps for reassembling and installing the cylinder head.
Method for adjusting valve clearance.
Common issues like low compression, knock, smoking exhaust, and overheating.
Steps for removing the cylinder, piston, and piston rings.
Correct methods for installing piston rings and pistons.
Procedure for installing the cylinder onto the crankcase.
Common issues like engine starting but no movement, or shuddering.
Steps for disassembling the final drive mechanism.
Steps for reassembling the final drive mechanism.
Step-by-step guide to disassembling the crankcase.
Procedures for reassembling the crankcase components.
Flowchart for diagnosing cooling system temperature issues.
Safety precautions and troubleshooting for brake systems.
Caliper installation and step-by-step guide to bleeding the brake system.
Common issues with steering, front wheel, and front cushion.
Common issues with rear wheel, brake performance, and cushion.
Wiring diagram for the HD2 125 model.
Wiring diagram for the HD2 200 model.
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