1998-1999 Honda CR125R Service Manual

Documents the service procedures for the CR125R. Covers removal and installation of components, fuel system, cooling system, and engine specifications. PN 61KN700

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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: 1998 Honda CR125R, 1999 Honda CR125R
Sub-models / Variants: Motocross, MX
Build Years: 1998–1999
Serial Numbers: 61KN700
Technical Data:

  • Engine type: Single cylinder, inclined 18.5° from vertical
  • Engine displacement: 124.82 cc
  • Compression ratio: 8.8:1
  • Bore and stroke: 54.0 x 54.5 mm
  • Cooling system: Liquid cooled
  • Transmission type: Constant mesh, 5-speed
  • Fuel type: Automobile gasoline (92 octane minimum), 32:1 premix ratio
  • Fuel tank capacity: 7.5 liters
  • Final drive system: Chain drive (520 size)
Technical Specifications
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Document Number / Seller:
25589 / Steven Perez
File Size:
31.79 MB
File Type:
PDF
Language:
English
Pages:
259
Printable:
Yes
Category:
Motorcycle
Last updated / verified
Jul 19, 2025

Honda Manual Features & Content Preview

1998–1999 Honda CR125R Service Manual Scope

  • Covers 1998–1999 Honda CR125R motocross motorcycles, documenting essential factory specifications for engine, chassis, and cooling systems.
  • Official Honda publication 61KN700, covering the 125cc liquid-cooled two-stroke competition platform.
  • Contains 94 technical diagrams, 48 torque-value tables, and detailed maintenance schedules for race-cycle servicing.
  • Delivered as a direct download the moment payment clears.
  • Stored against your account so you can retrieve it after a hard-drive loss.
  • Page spreads stay legible when printed at original size.
  • Indexed PDF search covers every chapter and appendix.
  • This specific edition provides the precise factory settings for the 1998–1999 Honda CR125R power-valve and transmission-gear ratios.

Technical Documentation and System Walkthrough

The 1998–1999 Honda CR125R service manual details the procedures for the complete disassembly, inspection, and assembly of the 124.82 cc power unit and twin-tube frame structure. Chapters cover the maintenance of the fuel system, H.P.P. (Honda Power Port) valve, and constant mesh 5-speed transmission, along with chassis-specific instructions for the Pro-Link rear suspension and hydraulic braking systems.

Engine and Chassis Specification Preview

Technical data provided includes specific tightening values, fluid capacities, and wear limits for precision maintenance. Cylinder head bolt torque is documented at 27 N·m, while the main crankshaft bearing side clearance is specified at 0.4–0.8 mm. Transmission oil capacity is standardized at 0.57 liters for drainage. The manual includes comprehensive tuning tables for jetting changes based on altitude and temperature. Valve clearance for the intake is documented as specified in the H.P.P. assembly data. Coolant capacity for the 1998–1999 Honda CR125R is documented at 0.90 liters for changes. Spark plug gap is specified at 0.5–0.6 mm in the ignition system table. This official Honda publication for the 1998–1999 Honda CR125R is the factory-authorized reference for all internal mechanical, electrical, and suspension-service work for the documented 61KN700 model series.

Manual FAQ, Purchase & Download Details

Which specific technical categories and service data reference tables are included in the General Information section? keyboard_arrow_down

Manual features comprehensive specification tables that cover general dimensions, engine configuration, frame details, and transmission gear ratios.

Are there reference tables in the document that provide fluid capacities and recommended lubricant types? keyboard_arrow_down

General Information chapter contains service-data tables outlining coolant capacity, transmission oil volumes, and fuel-to-oil mixing ratios. These sections also list the recommended types of engine and suspension fluids for reference.

Is there a designated section that contains wiring diagrams for the 1998-1999 Honda CR125R electrical systems? keyboard_arrow_down

Section 15 provides dedicated wiring diagram references for the electrical systems.

What information is listed regarding the ignition system, charging components, and electrical switchgear? keyboard_arrow_down

Ignition system section includes specification tables for spark plug types and resistance values for coils and pulse generators. It also lists the standardized timing references and peak voltage minimums.

Does the manual outline the chapter scope for the engine, transmission, and cooling systems? keyboard_arrow_down

Document is organized into content-specific chapters including Fuel System, Cooling System, and Engine Removal. These chapters provide assembly illustrations, service information, and exploded view references for major sub-systems. Additional chapters cover the chassis, suspension, and hydraulic brake components.

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