BMW R100 1986 Full Service Repair Manual

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🏷️ Basic Information Identification Make: BMW Model: R100 Year: 1986 Sub Model: Various (e.g., R100RT, R100RS, R100GS, R100R, R100CS) Codes Engine Code Family: Type 247 👋 Introduction Market Position Segment:...

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类型: Motorcycle

斯库: 417341

标签: 1986 BMW Cars Misc Motorcycle R100

产品多属性

Description

🏷️ Basic Information

Identification

Make:

Model:

Year:

Sub Model:

Various (e.g., R100RT, R100RS, R100GS, R100R, R100CS)

Codes

Engine Code Family:

Type 247

👋 Introduction

Market Position

Segment:

Premium Motorcycle / Sport Touring / Adventure Touring

Target Audience:

Enthusiast owners, independent repair shops, restoration specialists

Competitive Analysis

Comparative Advantage:

Known for robust engineering, air-cooled boxer engines, and long-distance capability. This manual provides the in-depth technical knowledge required to maintain this legendary platform.

Key Features

Manual Value Proposition:

Empowers owners and technicians to perform all necessary maintenance and repairs, preserving the performance and longevity of the BMW R100.

Vehicle Legacy:

The R100 is part of BMW's highly successful air-cooled boxer engine lineage, a design that defined the brand for decades.

📋 Manual Details

Coverage Areas

Primary Coverage:

Full Service Repair and Maintenance

Secondary Coverage:

Troubleshooting, Diagnostics, Rebuilding, Refurbishment, Restoration

Page Count

Estimated Page Count:

400-600 (typical for comprehensive service manuals of this era)

Manual Type

Type:

Factory Service Manual / Workshop Manual

Language

Language:

English

Format

Format:

Digital (likely PDF), potentially print

📖 Manual Coverage

Systems Covered

Engine:

Complete engine disassembly, assembly, tuning, and overhaul (including cylinder heads, pistons, crankshaft, camshaft, valve train, lubrication system, cooling system - air cooling).

Fuel System:

Carburetor service and adjustment (e.g., Bing), fuel pump, fuel lines, fuel tank maintenance.

Transmission:

Gearbox maintenance, repair, and overhaul (including clutch, shifting mechanisms, final drive).

Electrical System:

Wiring diagrams, ignition system (points, coil, spark plugs), charging system (alternator, regulator), lighting, starter motor, battery maintenance.

Brakes:

Front and rear brake system maintenance, repair, and bleeding (typically disc brakes).

Suspension:

Front forks (e.g., telescopic, leading axle) and rear shock absorber maintenance, adjustment, and overhaul.

Frame And Bodywork:

Chassis inspection, fairing removal/installation (if applicable), seat maintenance, fender, and general body component repair.

Wheels And Tires:

Wheel bearing service, tire pressure, tire wear, spoke tension (if applicable).

Procedures Included

Maintenance:

Scheduled maintenance, oil changes, filter replacements, lubrication points, spark plug checks, valve clearance adjustments.

Troubleshooting:

Diagnostic charts, common problem identification, and step-by-step solutions for various issues.

Repair:

Detailed instructions for component replacement and repair across all systems.

Rebuild Overhaul:

Comprehensive guides for complete engine, gearbox, and suspension rebuilds.

Adjustment Procedures:

Detailed procedures for carburetor synchronization, ignition timing, valve clearance, brake lever adjustment, clutch play, and suspension settings.

Technical Depth

Depth:

Expert Level - Suitable for professional technicians and experienced DIY mechanics.

Diagnostics:

Advanced diagnostic procedures, including electrical system tracing and mechanical component testing.

Special Tools:

Lists and diagrams of specific tools required for certain procedures (e.g., valve seat grinding tools, flywheel pullers, etc.).

📊 Manual Specifications

File Format

Digital Format:

PDF (Searchable Text, High Resolution Scans)

Print Quality

Print Quality:

High-resolution scans, clear diagrams and text

Binding Type

Binding Type:

N/A (for digital), Spiral-bound or Perfect-bound (if printed)

Paper Type

Paper Type:

N/A (for digital), Heavyweight paper suitable for workshop use (if printed)

Completeness

Manual Scope:

Covers all systems and components required for comprehensive maintenance and repair, from routine service to full engine rebuilds.

⚙️ Engine Specifications

Primary Engine

Type:

Air-cooled, four-stroke, horizontally opposed twin-cylinder (Boxer)

Displacement:

980 cc (approx. 59.8 cu in)

Bore X Stroke:

94 mm x 70.6 mm (approx.)

Compression Ratio:

Typically 8.5:1 to 9.5:1, depending on specific R100 variant.

Valvetrain:

OHV (Overhead Valve), two valves per cylinder, pushrod actuated.

Performance

Horsepower Peak:

65-70 hp (approx. at 7000 rpm), depending on variant.

Torque Peak:

55-60 lb-ft (approx. at 5500 rpm), depending on variant.

Fuel System

Carburetors:

Dual Bing constant-velocity carburetors (e.g., 32mm or 40mm depending on model).

Fuel Type:

Unleaded gasoline, 91 octane (RON+MON)/2 or higher recommended.

Lubrication System

Oil Capacity:

Approx. 2.75 liters (2.9 US quarts) with filter change.

Oil Filter Type:

Spin-on cartridge type (e.g., Mann-Filter MW 64, Bosch 0986 452 012, or equivalent).

🔧 Transmission

Standard

Type:

5-speed manual transmission

Final Drive:

Shaft drive (enclosed driveshaft).

Features

Clutch Type:

Single dry plate, diaphragm spring clutch.

Transmission Oil Type:

Gear oil, SAE 75W/90 or 80W/90 GL-5 (or specified by BMW).

Transmission Oil Capacity

Capacity:

Approx. 1.5 liters (1.6 US quarts).

📐 Dimensions

Exterior

Wheelbase:

Varies by model, approx. 1465 mm (57.7 inches) for R100RT.

Weights

Dry Weight:

Varies by model, approx. 200-230 kg (440-507 lbs).

Gross Vehicle Weight Rating Gvwr:

Typically around 400-430 kg (880-950 lbs).

🛡️ Safety Features

Ratings

Crash Test Ratings:

N/A (Motorcycle safety ratings as we know them today were not standardized in 1986).

Active Features

Braking System:

Dual disc front brake, single disc rear brake (typically Brembo or similar quality components).

Passive Features

Frame Construction:

Steel tubular frame for rigidity and stability.

💡 Technology Features

Infotainment

Features:

Basic instrumentation: speedometer, tachometer, odometer, trip meter, gear indicator (on some models), warning lights. No modern infotainment systems.

Driver Assistance

Features:

None (focus on mechanical and rider feedback).

Connectivity

Features:

None.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 5,000 - 10,000 km (3,000 - 6,000 miles) or annually, whichever comes first.

Valve Clearance Adjustment:

Every 10,000 - 15,000 km (6,000 - 9,000 miles).

Spark Plug Replacement:

Every 10,000 - 15,000 km (6,000 - 9,000 miles).

Fork Oil Change:

Every 20,000 - 30,000 km (12,000 - 18,000 miles).

Fluid Specifications

Engine Oil Specification:

API SG or higher, SAE 20W-50 or 10W-40 depending on climate. Consult manual for exact recommendations.

Brake Fluid Type:

DOT 3 or DOT 4.

Known Issues

Common Wear Items:

Clutch wear, output shaft seal leaks, starter clutch wear, cylinder head gasket leaks, charging system components (rectifier/regulator), worn valve guides.

Potential Electrical Issues:

Corroded connectors, aging wiring harness insulation, points ignition system maintenance.

Carburetor Tuning:

Bing CV carburetors require periodic adjustment for optimal performance and fuel economy. Synchronization is key.

📚 Vehicle History

Brand Heritage

Manufacturer:

Bayerische Motoren Werke AG (BMW)

Philosophy:

Reputation for engineering excellence, durability, and rider comfort, particularly in touring and sport-touring segments.

Model Evolution

Predecessors:

R90S, R100/7 series, R65, R75/5, R80.

Successors:

R1100 series (first oil-cooled boxers), R1150, R1200 series.

Production

Production Period:

The R100 series was produced from 1976 through the early 1990s, with the 1986 model year being a significant part of this range.

Variants:

R100RS (Roadster Sport), R100RT (Roadster Touring), R100GS (Gelände/Straße - dual-purpose), R100R (Roadster), R100CS (Classic Sport).

🏆 Awards & Recognition

Recognitions

Industry Standing:

The R100 series is widely recognized for its durability, touring comfort, and iconic boxer engine design, often lauded as a benchmark in its class during its production era.

Owner Loyalty:

High owner loyalty due to the bikes' reliability and the strong community support, often leading to restoration and continued use for decades.