1985-1997 Honda XR80R & XR100R Motorcycle Service Manual

Technician-level documentation for Honda XR80R and XR100R models from 1985-1997. Covers engine, chassis, and electrical systems.

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Document Details

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Document Number / Seller:
29898 / Carol Lee
File Size:
19.54 MB
File Type:
PDF
Language:
English
Pages:
168
Printable:
Yes
Category:
Motorcycle
Last updated / verified
Oct 8, 2025

Models Covered & Key Technical Specifications

1985-1997 Honda XR80R & XR100R Motorcycle Service Manual

1985-1997 Honda XR80R / XR100R (Service Manual) -- All Years. Detailed technical documentation for the XR80R & XR100R | Service Manual.

  • Engine Specifications: 79.7 cc (XR80R) / 99.2 cc (XR100R) displacement ensures robust power delivery.
  • Fuel System: 6.5 L (1.71 US gal) fuel tank capacity for extended riding range.
  • Suspension Travel: Front suspension offers 140 mm (5.5 in) of travel for varied terrain.
  • Brake System: Features cable-operated leading trailing expanding shoes for reliable stopping.
  • Transmission: 5-speed constant mesh transmission provides versatile gear ratios.
  • Dry Weight: XR80R at 64 kg (141.1 lb) and XR100R at 68 kg (149.9 lb) for agile handling.

Professional Workshop Service Manual & Technical Specifications

Honda XR80R & XR100R (1985-1997) Service Manual: Operations-Manual

Machine-Range: XR80R, XR100R // Coverage-Scope: All Years (1985-1997) / Motorcycle Logic // Serial-Range: Not Applicable. Methodically demanding maintenance procedures are documented for optimal vehicle performance. This manual details the complete service and repair procedures for the Honda XR80R and XR100R models from 1985 through 1997. It includes comprehensive information on all major systems, from engine overhauls to electrical diagnostics, ensuring your motorcycle remains in peak condition. The manual features detailed exploded views, specifications, and step-by-step instructions designed for service professionals and dedicated enthusiasts alike.

Procedures Overview

Removal procedures are documented for all major components, including the engine, transmission, suspension, and electrical systems. Step-by-step instructions guide you through disassembly and reassembly processes, ensuring accuracy and efficiency.

Technical Specifications

Factory specifications are documented for all critical components. This includes detailed measurements for engine parts, suspension components, and electrical system parameters, allowing for precise adjustments and diagnostics.

System Overviews

Factory specifications are documented for engine rebuild procedures, providing essential data for internal engine work. This section covers critical measurements and tolerances for the cylinder, piston, crankshaft, and valve train.

Maintenance & Troubleshooting

Detailed maintenance schedules are provided, outlining recommended service intervals for optimal performance and longevity. The troubleshooting section offers systematic approaches to diagnosing and resolving common issues, ensuring your motorcycle runs smoothly.

Technical Specifications Table

Integrated-Framework Diagnostic-Logic Validation-Data
Cylinder Capacity XR80R: 79.7 cc XR100R: 99.2 cc
Fuel Tank Capacity 6.5 L (1.71 US gal) 6.5 L (1.71 US gal)
Front Suspension Travel 140 mm (5.5 in) 140 mm (5.5 in)
Ignition Type Flywheel Magneto Flywheel Magneto
Spark Plug Gap 0.6-0.7 mm 0.6-0.7 mm
Dry Weight 64 kg (141.1 lb) 68 kg (149.9 lb)

Documentation sections include: General Information, Lubrication, Maintenance, Fuel System, Engine Removal/Installation, Cylinder Head/Valves, Cylinder/Piston, Clutch, Transmission/Crankshaft/Crankcase/Kick Starter, Front Wheel/Brake/Suspension/Steering, Rear Wheel/Brake/Suspension, Rear Fender/Exhaust Pipe, Electrical, Troubleshooting, and Index. The content order prioritizes procedures, followed by specifications, systems, tables, and an introductory overview.

This manual documents torque specifications for engine and chassis components to ensure proper vibration dampening and secure assembly.

FAQ

Specify the **applicable** lubrication requirements for the engine oil. keyboard_arrow_down

0.9 L (0.95 US qt, 0.79 Imp qt) for the XR80R and 1.0 L (1.06 US qt, 0.88 Imp qt) for the XR100R is the engine oil capacity at disassembly.

What is the **exact** testing parameters for the spark plug gap? keyboard_arrow_down

0.6-0.7 mm (0.024-0.028 in) is the specified spark plug gap for both the XR80R and XR100R models.

Calculate the **specific** diagnostic procedures for ignition timing. keyboard_arrow_down

For models after '91 XR100R, ignition timing is checked by aligning the "F" mark on the flywheel with the index mark on the left crankcase at 1,400 ± 100 rpm.

What values **designated** fluid capacity requirements apply to the front forks? keyboard_arrow_down

The front fork capacity is 83 cc (2.8 US oz, 2.9 Imp oz) for the XR80R and 88 cc (3.0 US oz, 3.1 Imp oz) for the XR100R.

Assess the **critical** component identification for the drive chain. keyboard_arrow_down

The drive chain size/links are RK428 HS/118 links for the XR80R and RK428 HS/117 links for the XR100R.

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Reviews (6)

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This manual covers all aspects of maintenance. Downloading it was smooth, and I received my link promptly!
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I appreciate the clear instructions and maintenance schedule included. Excellent service from the support team!
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The detailed procedures made my repairs a breeze. Customer support was very responsive when I had questions.
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This manual has everything you need for maintenance and repairs. The illustrations are particularly helpful!
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I bought this manual a few months ago from this site and I tried just last week to access it, and it gave me a 404 not found error message. I REALLY NEED this manual. Please contact me ASAP with a new manual. Thank you.