1979-1985 Honda XL 125S Service Manual
Documents 1979-1985 Honda XL 125S motorcycle service procedures, including detailed diagrams and specifications for all major components. Publication P-6643701.
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Models Covered & Key Technical Specifications
1979-1985 Honda XL 125S Service Manual Honda XL 125S (P-6643701) -- 1979-1985 Technical Dossier | Volume
- Documented Threaded Fastener Data: 10 N-m is standardized to proper bolt security for engine components.
- Technical Fluid Levels: For optimal operation, 1.1 liters defines the engine oil capacity.
- Universal Deviation Limits: 0.05 mm -- signifies the maximum allowable wear for piston ring end gap.
- Core Operating Temps: The intake valve clearance requires 0.05 mm (0.002 in) for standard operation.
- Rated Angular Speed: Maximum throughput reaches 9,500 rpm for engine performance.
- Prescribed Rotational Force: 40-50 N-m signifies the tightening torque for the clutch lifter plate.
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1979-1985 Honda XL 125S Service Manual: Honda XL 125S Manual (1979-1985) Information-Suite
Technical-Scope: 1979-1985 Honda XL 125S // Assembly-Group: Bike / Engine Logic // Technical-Scope: Maintenance Schedule and Specifications.
| Specification | Baseline | Architecture |
|---|---|---|
| Engine Oil Capacity | 1.1 liters (1.0 US gal, 0.8 Imp gal) | At disassembly |
| Rear Shock Absorber Spring Free Length | 302.1 mm (11.89 in) | Standard |
| Rear Wheel Rim Runout | Radial: 2.0 mm (0.08 in) | Axially Specified |
| Front Brake Lining Thickness | 4 mm (0.2 in) | Standard Measurement |
| Piston Pin Bore | 15.002-15.008 mm (0.5906-0.5909 in) | Component Specification |
| Spark Plug Gap | 0.6-0.7 mm (0.024-0.028 in) | Critical Gap Measurement |
The documentation provides guidance on: General Information, Lubrication, Inspection and Adjustment, Fuel System, Engine Removal/Installation, Cylinder Head/Valves, Cylinder/Piston, Clutch/Oil Pump, A.C. Generator, Transmission/Crankshaft/Kickstarter, Front Wheel/Brake/Suspension/Steering, Rear Wheel/Brake/Suspension, Rear Fender/Exhaust Pipe, Battery/Charging System, Ignition System, Switches, and Troubleshooting.
System operation descriptions cover engine removal and installation procedures, including component identification and sequence of operations. The documentation addresses detailed specifications for various assemblies, such as cylinder head, piston, and transmission components, ensuring adherence to manufacturer standards. Assembly instructions are detailed for critical systems like the clutch and oil pump, outlining specific torque values and component placements. Hydraulic schematics are included for the rear suspension system, aiding in diagnosis and repair. Steering component information is provided for the front fork and steering stem, including critical alignment and adjustment procedures.
This manual details torque specifications for critical engine and frame components to ensure proper pressure slip prevention and secure assembly.
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