1979-1985 Honda XL 125S Service Manual

1979–1985 Honda XL 125S Service Documentation

• Covers 1979–1985 Honda XL 125S enduro motorcycles, including specific engine, frame, and electrical variants for European, Canadian, and Australian markets
• Official Honda Motor Co., Ltd. service publication P-6643701
• Includes 17 dedicated sections covering engine, chassis, and electrical systems
• Contains 12 technical specification tables, 3 comprehensive wiring schematics, and extensive torque values for assembly
• Accessible immediately after purchase
• Your order stays downloadable from your account for life
• Indexed PDF search covers every chapter and appendix
• Laid out for standard letter and A4 printing
• This 1979–1985 Honda XL 125S manual documents factory-specified tolerances for the 124cc air-cooled 4-stroke engine and provides critical wiring diagrams for all regional types

Technical Content Overview

The 1979–1985 Honda XL 125S service manual provides a systematic breakdown of the vehicle’s mechanical and electrical systems. Initial chapters focus on general identification, including maintenance schedules, tool requirements, and harness routing. Further sections detail the engine, encompassing lubrication, cylinder head, valvetrain, clutch, oil pump, and A.C. generator removal. The chassis section addresses suspension, steering, and braking components, while the final segment features wiring diagrams to support electrical diagnosis.

Specification Highlights

The manual includes essential data for routine maintenance and internal engine service. Engine oil capacity is documented at 1.1 liters for internal disassembly, and the torque table lists 10–20 N-m for the oil filter screen cap. Piston ring end gap wear is categorized with a service limit of 0.5 mm. Intake and exhaust valve clearances are specified at 0.05 mm in the cold state. Maximum engine throughput reaches 9,500 rpm for standard performance. Cylinder head bolt torque values are documented in a multi-stage sequence, with final values of 18–20 N-m specified in the assembly data. Intake valve clearance for the Honda XL 125S is listed at 0.05 mm in the cylinder head specification table. Rear axle nut torque for the 1979–1985 Honda XL 125S is set at 60–80 N-m. Magneto output is managed by the C.D.I. unit documented in the electrical section. For what an OEM service publication covers, users should refer to the general maintenance guidelines. Reference only — always consult a certified technician before performing service on this equipment. This Honda XL 125S factory manual covers the 1979–1985 production run, providing comprehensive technical data, torque settings, and wiring schematics for the 124cc single-cylinder engine and chassis components across all international model variants.

Document Reference: P-6643701