1986-1995 Honda NSR250R / NSR250R SP Service Manual

Troubleshooting, parts diagrams, and service data for your Honda NSR250R/SP. Features detailed exploded views and part numbers. Publication #honnsr2508695.zip.

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Technical Safety Notice
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This official OEM document is intended for professional technicians and skilled operators. Performing service on mechanical equipment involves inherent risks. By purchasing, you acknowledge that RepairLoader provides original manufacturer data for informational purposes. Always prioritize safety: use correct tools, wear protective gear, and consult a certified professional if you are uncertain of any procedure.

Honda Models Covered & Key Technical Specifications

Models: Honda NSR250R, Honda NSR250R SP
Sub-models / Variants: NSR250RG-J
Build Years: 1986–1995
Serial Numbers: MC16-1000001~
Technical Data:

  • Engine: MC16E, 2-cycle V2, 249cc
  • Max Horsepower: 45 PS at 9500 rpm
  • Max Torque: 3.6 kgm at 8500 rpm
  • Compression Ratio: 6.2
  • Bore x Stroke: 54.0 x 54.5 mm
  • Idle Speed: 1200 +/- 100 rpm
  • Fuel Capacity: 16 liters
  • Transmission Type: 6-speed, manual wet clutch
  • Primary Reduction: 2.652
  • Final Reduction: 2.800
  • Coolant Capacity: 1.31 liters (total)
  • Front Tire Pressure (1 rider): 2.25 kg/cm^2
Technical Specifications
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Document Number / Seller:
26435 / Elizabeth Parker
File Size:
13.79 MB
File Type:
ZIP
Language:
English
Printable:
Yes
Category:
Bike
Last updated / verified
Jun 6, 2025

Honda Manual Features & Content Preview

1986–1995 Honda NSR250R / NSR250R SP Service Documentation

  • Built for owners and workshops servicing the 1986–1995 Honda NSR250R and NSR250R SP, including the MC16 series configuration.
  • Original OEM publication, MC16-1000001-series coverage, with publication data consistent with the J-model build period.
  • Contains 21 distinct technical chapters, 43 pages of exploded-view diagrams, and comprehensive wiring schematics for the ignition, charging, and RC valve control systems.
  • Indexed PDF search covers every chapter and appendix.
  • Delivered as a direct download the moment payment clears.
  • This edition is the reference used for the original MC16 launch, providing the specific PGM-controlled exhaust valve and cassette transmission data not available in later, generalized manuals.

Technical Scope and System Documentation

This 1986–1995 Honda NSR250R and NSR250R SP workshop publication documents the maintenance and technical specifications for the MC16 series engine and chassis. Chapters detail the inspection and adjustment procedures for the liquid-cooled V2 engine, including specialized protocols for the variable exhaust port RC valve system, the oil lubrication system, and the fuel system. Secondary sections cover frame components, including the disc brake system, suspension geometry, and electrical system diagnostics, presenting the technical parameters required for the maintenance of this sportbike.

Specification Highlights and Reference Data

The technical sections provide precise reference values for the 1986–1995 Honda NSR250R, including torque settings for engine hangers and axle bolts. Cylinder head bolt torque is specified at 1.2–1.6 kg-m in the engine assembly data. Cylinder compression is documented at 12 +/- 2 kg/cm^2 in the inspection section. Cooling system capacity for the NSR250R is listed at 1.31 liters in the capacity specification table.

An official Honda OEM workshop manual covering the 1986–1995 Honda NSR250R and NSR250R SP, documenting engine, chassis, electrical, and fuel-injection specifications for the MC16-series build.

Manual FAQ, Purchase & Download Details

Which chapters cover the electrical system, ignition components, and battery maintenance for the NSR250R series? keyboard_arrow_down

Manual features dedicated chapters that list components for the battery, charging system, ignition system, and the various meters and switches found on the bike.

Are there lubrication charts or fluid capacity tables provided for the various systems? keyboard_arrow_down

Maintenance information section contains specification tables that outline fluid capacities and lubrication requirements for the engine and other major assemblies. These tables provide a reference for the necessary volume and type of fluids required for routine care.

Is there detailed information regarding electrical routing, connector types, or wiring map diagrams? keyboard_arrow_down

Documentation includes comprehensive wiring maps to help visualize the electrical layout of the machine. Additionally, there are sections detailing correct connection methods and standard practices for harness management. These diagrams and reference guides are located within the initial maintenance chapters of the PDF.

What publication date or document identifier defines this edition of the NSR250R service manual? keyboard_arrow_down

Document is identified as the 1986-1995 edition of the Honda NSR250R and NSR250R SP service manual.

Does the manual include specific torque settings for the engine and frame components? keyboard_arrow_down

Torque settings section lists the required fastening values for both engine hardware and frame-mounted components in a structured table. It covers a wide range of bolts, nuts, and screws found throughout the machine.

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