🏷️ Basic Information

Make:

BMW

Model:

R80

Production Years:

1978-1996

Vehicle Type:

Motorcycle

Model Codes:

R80/7, R80RT, R80GS, R80ST, R80Monolever, R80TIC

👋 Introduction

Segment:

Classic Airhead Boxer-engined motorcycle segment.

Reputation:

Known for reliability, touring capability, and a distinctive riding experience.

Competitors:

Other European motorcycles of the era, such as Moto Guzzi, Ducati, and some Japanese offerings.

Engine Layout:

Air-cooled, horizontally opposed twin-cylinder (boxer) engine.

Drive Type:

Shaft drive.

Design Philosophy:

Emphasis on longevity, simplicity of maintenance, and comfort for long-distance riding.

📋 Manual Details

Engine:

Yes

Transmission:

Yes

Chassis:

Yes

Electrical System:

Yes

Fuel System:

Yes

Brakes:

Yes

Suspension:

Yes

Bodywork:

Yes

Troubleshooting:

Yes

Maintenance:

Yes

Repair:

Yes

Specifications:

Yes

Pages:

Approx. 300-400 (estimated for comprehensive coverage)

Type:

Service and Repair Manual

Language:

English

Format:

Digital (PDF) / Printed (often available as both)

📖 Manual Coverage

Engine Mechanical:

Full engine overhaul, cylinder head, pistons, crankshaft, camshaft, valve timing, oil pump, lubrication system, cooling system (air-cooled).

Fuel And Ignition:

Carburetor service and tuning (Bing), fuel pump, fuel tank, ignition system (points, electronic ignition), spark plugs, timing.

Transmission And Drivetrain:

Clutch operation and adjustment, gearbox (5-speed), final drive, driveshaft, universal joints, rear axle.

Brakes System:

Front and rear brake systems (drum and disc brakes, e.g., Brembo, ATE), hydraulic lines, master cylinders, calipers, brake fluid specifications.

Suspension And Steering:

Front forks (telescopic, telescopic with air assistance on some models), rear suspension (swingarm, monoshock, twin shocks), steering head bearings, wheel bearings.

Electrical System:

Battery, charging system (alternator, rectifier/regulator), starter motor, lighting, horn, wiring diagrams, instrument cluster, fuses.

Body And Frame:

Frame inspection, body panels, fuel tank, seat, fenders, fairings (if equipped), exhaust system.

Routine Maintenance:

Oil changes, filter replacements, spark plug checks, chain/driveshaft lubrication, brake adjustments, tire pressure checks, valve clearance adjustments.

Disassembly And Assembly:

Complete step-by-step guides for engine components, transmission, suspension, wheels, and brakes.

Troubleshooting Guides:

Diagnostic procedures for common problems related to starting, running, electrical systems, and braking.

Special Tool Requirements:

Identification of specific tools required for certain tasks, such as valve adjustment tools or torque wrenches.

Torque Specifications:

Precise torque values for all critical fasteners.

Wiring Diagrams:

Detailed electrical schematics for various model years and configurations.

Depth:

Comprehensive: Covers everything from basic maintenance to full engine rebuilds and complex electrical diagnostics. Suitable for both DIY enthusiasts and professional mechanics.

📊 Manual Specifications

File Type:

PDF (typically)

Searchability:

Searchable text for quick information retrieval.

Printability:

Printable pages for physical reference.

Image Resolution:

High-resolution for clear diagrams and illustrations.

Binding:

Spiral-bound or perfect-bound (for printed versions) for lay-flat use.

Paper Quality:

Durable, heavy-duty paper stock to withstand workshop use (for printed versions).

⚙️ Engine Specifications

Engine Type:

Four-stroke boxer twin

Displacement:

797.5 cc (approx. 800cc)

Bore X Stroke:

82.5 mm x 74.5 mm (typical)

Compression Ratio:

8.2:1 or 9.5:1 (depending on model variant)

Valve Train:

Overhead camshaft (OHC) driven by pushrods and rockers.

Horsepower Output:

Approx. 50 HP at 6,500 RPM (varies slightly by model)

Torque Output:

Approx. 60 Nm (44 lb-ft) at 4,500 RPM (varies slightly by model)

Carburetion:

Dual Bing constant-velocity carburetors (e.g., Bing 32/32, 32/40)

Fuel Type:

Unleaded gasoline (91-95 RON or equivalent Octane rating)

🔧 Transmission

Transmission Type:

5-speed manual constant-mesh gearbox

Optional Gearbox:

Not applicable (standard manual)

Clutch:

Dry, single-plate clutch

Final Drive:

Enclosed driveshaft with universal joint

📐 Dimensions

Wheelbase:

Approx. 1420 mm - 1460 mm (varies by model, e.g., R80GS longer)

Length:

Approx. 2100 mm - 2250 mm (varies by model)

Width:

Approx. 750 mm - 900 mm (varies by model)

Dry Weight:

Approx. 180 kg - 210 kg (varies by model, e.g., R80GS heavier)

Wet Weight:

Approx. 200 kg - 230 kg (varies by model)

Gross Vehicle Weight Rating:

Approx. 380 kg - 400 kg (varies by model)

🛡️ Safety Features

Safety Certifications:

Designed to meet European road safety standards of the era.

Braking System:

Dual disc front brake (most models), single disc rear brake or drum brake (depending on year/model).

Suspension Stability:

Well-engineered suspension for stable handling.

Lighting:

Halogen headlight, taillight, turn signals.

💡 Technology Features

Infotainment System:

None (mechanical instruments: speedometer, tachometer, warning lights).

Assistance Features:

None (analog controls).

Connectivity Options:

None.

🔧 Maintenance

Oil Change Interval:

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

Valve Adjustment Interval:

Every 10,000 - 20,000 km (6,000 - 12,000 miles).

Spark Plug Replacement:

Every 10,000 - 20,000 km (6,000 - 12,000 miles).

Brake Fluid Flush:

Every 1-2 years.

Engine Oil Type:

SAE 20W-50 or 10W-40 motorcycle-specific oil (API SG/SH or higher). Check manual for exact specs.

Engine Oil Capacity:

Approx. 2.5 - 3.0 liters (2.6 - 3.2 US quarts) with filter change.

Transmission Oil Type:

Hypoid gear oil, API GL-5, SAE 80W/90.

Transmission Oil Capacity:

Approx. 0.75 liters (0.8 US quarts).

Brake Fluid Type:

DOT 4 or DOT 5.1 (check manual for specific recommendations, avoid DOT 5 silicone unless specified).

Common Problems:

Carburetor synchronization and adjustment, potential for oil leaks from seals and gaskets (especially crank seals), wear in the steering head bearings, wear in the swingarm pivot bearings, early electronic ignition failures, charging system issues (rectifier/regulator).

📚 Vehicle History

Manufacturer:

Bayerische Motoren Werke AG (BMW)

Motorcycle Division Origin:

BMW has a long history of motorcycle production dating back to the early 20th century.

Airhead Series:

The R80 is part of BMW's long-running 'Airhead' boxer series, known for their distinctive engine layout and robust construction.

Variants:

Evolved from earlier R75/7 and R100 models, with variants like the R80/7, R80RT (touring), R80GS (off-road/adventure), and R80ST (sport touring).

Manufacturing Location:

Berlin, Germany (BMW Motorrad plant)

Production Period:

1978-1996

🏆 Awards & Recognition

Historical Awards:

While specific awards for the R80 are not as commonly cited as modern vehicles, the 'Airhead' series is highly regarded by enthusiasts and widely recognized for its longevity, reliability, and classic status in motorcycle history.

Owner Satisfaction:

Consistently high owner satisfaction among collectors and riders who appreciate its character and build quality.