1986-1989 Honda TRX250R FourTrax Service Manual
Wiring diagrams, specifications, and repair sequences for your 1986-1989 Honda TRX250R FourTrax 250R. Publication C4085-91017.
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Models Covered & Key Technical Specifications
Honda TRX250R FourTrax 250R (Honda Motor Corporation Ltd) Manual: Honda TRX250R FourTrax 250R, 1986-1989 models Reference Resource Documentation | Series Series
- Design Charge Quantity: 0.7 lit (0.74 U.S. qt.) signifies the engine oil capacity Standards.
- Key Alignment Specs: For rear axle outer lock nut, 80–100 N·m (8.0–10.0 kg-m, 58–72 ft-lb) defines the torque specification Bounds.
- Prescribed Power Framework: 35 N·m (3.5 kg-m, 25 ft-lb) -- denotes the torque for the rear caliper bracket mounting bolt Topology.
- Nominal Throughput Data: The formatter board requires 64 MB for standard operation Logic.
- Design Gross Dimensions: The front wheel hub nut requires 120–170 N·m (12.0–17.0 kg-m, 87–123 ft-lb) for proper tightening Matrix.
- Designated Capacity Limits: The caliper mounting bolt requires 20–30 N·m (2.0–3.0 kg-m, 14–22 ft-lb) for secure installation Standards.
Professional Workshop Service Manual & Technical Specifications
Honda TRX250R FourTrax 250R Manual: Honda TRX250R FourTrax 250R, 1986-1989 models
Design-Core: TRX250R FourTrax 250R / Honda Motor Corporation Ltd // Model-Portfolio: ATV / FourTrax Logic // Coverage-Scope: 1986, 1987, 1988, 1989 technical-details.
Technical chapters are organized around:
- Front Brake System Diagrams
- Rear Suspension Specifications
- Engine Removal Procedures
- Drive Train Torque Values
- Troubleshooting Guides
Completely establishing the operational parameters for the TRX250R FourTrax 250R, this manual details the systems and procedures necessary for maintenance and repair. It serves as a crucial resource for understanding the vehicle's complex layout.
Front Brake System Information
Inspection guidelines are provided for brake pads and discs, covering thickness and runout measurements. This section includes details on caliper mounting and disassembly.
Rear Suspension Component Overviews
Alignment specifications are included for shock absorber spring preload and damper rod compression force. It details the necessary procedures for swingarm and linkage maintenance.
Engine Core Procedures
Reference data is included for engine removal, including torque specifications for mounting bolts. It also outlines the procedures for transmission and crankshaft service.
Drive Train Maintenance
This manual covers the drive chain slack inspection and adjustment procedures. It also details the installation and removal of the final driven sprocket.
Troubleshooting and Diagnostics
Diagnostic procedures are covered for common issues such as brake lever/pedal sponginess and brake drag. It provides insight into identifying and resolving mechanical problems.
This document documents torque specifications for various components to ensure proper service interval reliability.
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