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BMW R80 R90 R100 1990 All Service Repair Manual

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Basic Information Identification Make: BMW Model: R80, R90, R100 Year: 1990 Codes Engine Codes: R80 Series: Type 247, R90 Series: Type 249, R100 Series: Type 247 Introduction Market Position Positioning:...
Typ: Cars
Anbieter:
Art.-Nr: 472078
Stichworte: BMW Misc
BMW R80 R90 R100 1990 All Service Repair Manual
Basic Information
Identification
Make: BMW
Model: R80, R90, R100
Year: 1990
Codes
Engine Codes: R80 Series: Type 247, R90 Series: Type 249, R100 Series: Type 247
Introduction
Market Position
Positioning: Essential reference tool for owners and independent mechanics seeking to maintain and repair the iconic BMW R-series motorcycles, emphasizing DIY capabilities and quality assurance.
Competitive Analysis
Competitors: While factory service manuals exist, this comprehensive digital manual provides accessible, detailed guidance tailored for the DIY enthusiast, often exceeding the scope of basic owner's manuals.
Key Features
Features: Detailed step-by-step procedures, comprehensive diagnostic charts, clear illustrations and diagrams, torque specifications, fluid capacities, and wiring schematics.
Value Proposition
Value: Empowers owners to perform expert-level maintenance and repairs, saving costs on dealership service while ensuring the longevity and optimal performance of their classic BMW motorcycle.
Manual Details
Coverage Areas
Models Covered: BMW R80, R90, R100 (all variants for the 1990 model year)
Page Count
Pages: Estimated 500-700 pages (typical for comprehensive service manuals of this era and coverage)
Manual Type
Type: Service and Repair Manual
Language
Language: English
Format
Format: Downloadable Digital Format (likely PDF)
Manual Coverage
Systems Covered
Powertrain: Engine: disassembly, assembly, diagnosis, tuning, lubrication system, cooling system (air-cooled specifics), fuel system (carburetor and injection systems), exhaust system.
Drivetrain: Transmission: clutch operation, gearbox disassembly and assembly, final drive maintenance and repair, driveshaft and universal joint service.
Chassis: Frame, front fork (telescopic, monolever, paralever variants), rear suspension, wheels, tires, steering system, braking system (disc and drum specifics).
Electrical: Ignition system, lighting system, charging system (alternator, regulator), battery service, starter motor, instrument cluster, wiring diagrams for all circuits.
Bodywork: Body panels, fairings, seats, fuel tank, fenders, trim pieces, disassembly and reassembly procedures.
Procedures Included
Maintenance: Scheduled maintenance tasks, oil changes, filter replacements, spark plug service, brake fluid flushes, chain adjustment (if applicable), general inspection checklists.
Troubleshooting: Diagnostic procedures for common and uncommon issues, symptom-based troubleshooting guides, electrical system diagnosis charts.
Repair: Step-by-step repair instructions for all major mechanical and electrical components, including detailed illustrations and torque specifications.
Overhaul: Complete engine rebuild procedures, transmission overhaul, suspension component rebuilding.
Technical Depth
Depth: Comprehensive, covering basic maintenance to complete engine and transmission rebuilds, including detailed electrical system diagnostics and wiring diagrams.
Manual Specifications
File Format
Format: PDF (Portable Document Format)
Searchability: Typically text-searchable PDF for quick access to information
Print Quality
Quality: High-resolution scans or professionally created digital files, ensuring clear text and legible diagrams
Binding Type
Binding: N/A (Digital download)
Paper Type
Paper: N/A (Digital download)
Engine Specifications
Primary Engine
Type: Air-cooled, four-stroke, horizontally opposed boxer twin-cylinder
Displacement R80: 797.5 cc (approx.)
Displacement R90: 897.9 cc (approx.)
Displacement R100: 979.5 cc (approx.)
Performance
Power R80: Approx. 50-55 HP @ 6250 RPM (varies by specific model variant)
Power R90: Approx. 65-66 HP @ 7000 RPM (varies by specific model variant)
Power R100: Approx. 65-70 HP @ 7250 RPM (varies by specific model variant)
Torque R80: Approx. 70 Nm (52 lb-ft) @ 5000 RPM
Torque R90: Approx. 78 Nm (58 lb-ft) @ 5500 RPM
Torque R100: Approx. 80 Nm (59 lb-ft) @ 6000 RPM
Fuel System
Carburetors: Typically twin BMW (formerly Bing) constant velocity carburetors (e.g., 32mm or 40mm depending on model)
Injection Systems: Some late R100 models may feature Bosch L-Jetronic or Motronic fuel injection, particularly performance variants or touring models.
Ignition System
Type: Contact breaker points and coil ignition, or electronic ignition (CDI) on later models.
Transmission
Standard
Type: 5-speed manual gearbox
Optional
Options: N/A (Typically no automatic or alternative transmissions offered for these models)
Features
Clutch: Single dry plate clutch, hydraulically actuated.
Drive: Shaft drive to rear wheel
Gear Ratios: Specific ratios vary by model and final drive ratio, detailed within the manual.
Dimensions
Exterior
Length: Varies by model, typically around 2150-2250 mm
Width: Varies by model, typically around 750-850 mm (handlebar width)
Height: Varies by model, typically around 1200-1300 mm
Weights
Dry Weight: R80: ~190-210 kg, R90: ~195-215 kg, R100: ~200-225 kg (varies by model and equipment)
Fuel Capacity: Typically 17-24 liters (approx. 4.5-6.3 US gallons)
Wheelbase: Approx. 1400-1450 mm
Safety Features
Ratings
Crash Safety: N/A (Motorcycle safety ratings of this era are not comparable to automotive standards; focus is on design and braking performance)
Active Features
Braking System: Front: Single or dual disc brakes with hydraulic actuation. Rear: Disc brake or drum brake, depending on model. Comprehensive servicing procedures for both are covered.
Suspension: Advanced front telescopic forks and rear swingarm with adjustable shock absorbers (monolever or paralever systems depending on model) for stability and control.
Passive Features
Lighting: Halogen headlamp, taillight, brake light, and turn signals for optimal visibility.
Technology Features
Infotainment
Infotainment Systems: N/A (These motorcycles are analog in nature, focusing on mechanical engineering rather than electronic infotainment.)
Driver Assistance
Assistance Systems: N/A (No electronic driver assistance systems comparable to modern vehicles or motorcycles are featured.)
Connectivity
Connectivity Features: N/A (No electronic connectivity features are present.)
Instrumentation
Dashboard: Classic analog gauges including speedometer, tachometer, odometer, fuel gauge, and warning lights for oil pressure, generator, and turn signals.
Maintenance
Service Intervals
Oil Change: Typically every 5,000-10,000 km or annually, depending on usage and manual recommendations.
Valve Adjustment: Recommended every 10,000-20,000 km, a common task for boxer engines.
Brake Fluid Flush: Typically every 2 years to maintain braking performance.
Spark Plug Service: Every 10,000-20,000 km, depending on plug type.
Fluid Specifications
Engine Oil: SAE 20W-40 or SAE 20W-50 motorcycle-specific oil is commonly recommended. Manual will specify exact type and API rating.
Gearbox Oil: API GL-5 80W/90 gear oil typically specified for the transmission and final drive.
Brake Fluid: DOT 3 or DOT 4 brake fluid, depending on system requirements.
Known Issues
Electrical: Aging wiring harnesses, failing voltage regulators, and contact breaker points can be common issues requiring attention.
Engine: Oil leaks from seals (e.g., input shaft seal, output shaft seal), worn valve guides, and carburetor synchronization issues are not uncommon.
Transmission: Clutch wear, worn transmission bearings, and neutral finding issues can occur with high mileage.
Parts Availability
Parts: While some parts are readily available, certain specialized components may require sourcing from BMW specialists or the aftermarket.
Vehicle History
Brand Heritage
Heritage: BMW's storied history in motorcycle production, particularly with the boxer engine, dating back to the 1920s. The R-series represents a long lineage of reliable and touring-capable motorcycles.
Model Evolution
Evolution: The R80, R90, and R100 series represent the evolution of BMW's large-displacement boxer twins, incorporating advancements like the Monolever and Paralever single-sided swingarm rear suspension systems introduced in the 1980s.
Production
Production Period: The R80 and R100 series were produced from the late 1970s through the 1990s. The R90 series was primarily produced in the 1970s but its legacy influenced later models.
Manufacturing Location: Berlin, Germany
Awards & Recognition
Recognitions
Historical Recognition: The BMW R-series is widely recognized for its touring capability, durability, and distinctive boxer engine character, earning a loyal following among enthusiasts.
Ratings
Reliability Reputation: Known for robust engineering and long-term reliability when properly maintained, making them highly sought-after classics.
Certifications
Engineering Standards: Built to stringent German engineering standards, emphasizing quality and longevity.
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