BMW R 80 GS / R 100 R Repair Manual

Troubleshooting, parts diagrams, and service data for the BMW R 80 GS and R 100 R, including detailed schematics and component specifications for efficient maintenance. Publication C4085-91017

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Document Details

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Document Number / Seller:
31586 / Stephanie Martinez
File Size:
10.02 MB
File Type:
PDF
Language:
English
Printable:
Yes
Category:
Motorbike
Last updated / verified
Feb 6, 2026

Models Covered & Key Technical Specifications

In-Depth Calibration Electrical Manual: BMW R 80 GS, R 100 R Diagnostic & Maintenance Manual - Authorized Technical Reference Workshop-Compendium

BMW R 80 GS / R 100 R (Part Number: C4085-91017) -- 1978-1996 Integrated Guide Library | Unit

  • Design Precision Specs: 105 Nm is the torque for the wheel bolts, ensuring proper installation Standards.
  • Nominal Torque Data: For the fork bridge clamp (bottom), 15/19 Nm signifies the required torque Protocol.
  • Documented Volume Data: The engine oil capacity requires 2.5 L for optimal operation Norms.
  • Principal Running Clearance: The exhaust valve clearance is configured at 0.25-0.30 mm for peak performance Architecture.
  • Key Heat Tolerance: The engine must not operate above 120°C, establishing the maximum operating temperature Protocol.
  • Design Installation Footprint: The handlebar width is measured at 630 mm to ensure ergonomic control Standards.

Professional Workshop Service Manual & Technical Specifications

In-Depth Calibration Electrical Manual: BMW R 80 GS, R 100 R Diagnostic & Maintenance Manual - Authorized Technical Reference Workshop-Compendium

System-Coverage: BMW R 80 GS, R 100 R // Calibration-Scope: Motorbike / Engine & Drivetrain Logic // System-Coverage: Electrical and Mechanical Systems.

Coverage is segmented into the following chapters:

  • Introduction
  • Completing the motorcycle and pre-delivery check
  • Maintenance and inspection
  • Technical data
  • Electrical system
  • Engine
Identifier Operational-Logic Context
Engine Oil Viscosity Diagram As a function of outside temperature
Main Bearings Dimensions For engine housing
Transmission Grades Specs For optimal operation

This manual documents service procedures for the BMW R 80 GS and R 100 R models. It covers systems including fuel, oil, and lubricants, engine components, electrical systems, brake systems, suspension, and more. The manual details removal, installation, and inspection procedures for various motorcycle parts. Torque specifications are included for engine and chassis components to ensure proper bolt stretch prevention.

Hydraulic schematics are included for the brake system, providing a clear overview of fluid flow and component connections.

Steering component information is provided for the telescopic fork and frame, detailing alignment and adjustment procedures.

Inspection guidelines are provided for wear and tear on critical components like brake pads, discs, and engine parts.

Alignment specifications are included for the front and rear wheel, ensuring proper handling and stability.

Reference data is included for engine oil viscosity, electrical system details, and general technical specifications.

FAQ

What does the **exact** assembly sequence for the engine flywheel entail? keyboard_arrow_down

22 Nm is the specified torque for the flywheel bolts, which must be tightened in sequence to ensure proper assembly.

Reference the **specific** service interval parameters for the brake fluid. keyboard_arrow_down

DOT 4 is the recommended brake fluid; it should be replaced when the brake fluid is murky or after 2 years, whichever comes first.

What are the **designated** system architecture for the ignition system? keyboard_arrow_down

Primary resistances for the ignition coil are 1-1.22 Ω, and secondary is 3-4 kΩ, ensuring optimal spark generation.

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Reviews (5)

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I love the technical specifications included. The email with the download link arrived promptly, making it easy to get started right away.
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This guide is thorough and well-organized. The support team was very helpful when I needed assistance. Smooth download experience!
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Rated 5 out of 5 stars
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Great manual! It covers everything I needed for maintenance. The customer support was excellent and responded quickly to my queries.
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This manual is a lifesaver. The step-by-step guides made repairs easy, and the download process was seamless. Highly recommend!