1988-2000 Honda NSR125 Service Manual

1989–2000 Honda NSR125 Factory Service Manual

• Covers 1989–2000 Honda NSR125 F and NSR125 R motorcycle models with the 124.8 cc liquid-cooled 2-stroke engine
• Original OEM publication, providing professional-grade reference material for engine, chassis, fuel, and electrical systems
• Contains 47 exploded-view diagrams and 18 specialized service and torque-value data tables
• File link appears in your order confirmation straight away
• Suitable for printing individual sections for shop-floor use
• Indexed PDF search covers every chapter and appendix
• Full-text search finds any part number in seconds
• This 222-page edition serves as the primary factory documentation for internal mechanical maintenance and systems assembly

Engine and Chassis Maintenance Documentation

The 1989–2000 Honda NSR125 service manual details technical information for the internal combustion systems, cooling components, and drivetrain assemblies. The technical content outlines procedures for fuel tank removal, air cleaner housing service, and the carburetion setup using the PHBH28FS throttle valve assembly. Detailed chapters provide specifications for cylinder head warpage limits, piston-to-bore clearances, and RC valve control cable alignment. Furthermore, the cooling system section documents the thermostat opening temperatures of 69.5°C to 72.5°C and the pressure settings required for the radiator cap.

Specification and Torque Reference Data

This publication includes standardized torque values for fasteners ranging from 5 mm screws to 12 mm bolts. Cylinder head nut torque values are specified at 23 Nm in the assembly data. Fuel valve lock nut torque is listed at 10 Nm in the fuel system specification table. The coolant system capacity for the 1989–2000 Honda NSR125 is documented at 1.1 liters. Electrical reference values and internal wiring routing guides are provided alongside the ignition timing protocols for the Capacitive Discharge Ignition system. The manual details what an OEM service publication covers regarding engine rebuilds, transmission maintenance, and frame component tolerances. An official 222-page Honda OEM service manual covering the 1989–2000 NSR125, documenting engine, chassis, electrical, and fuel system specifications for the F and R model variants.