Segment:
Sport Touring / Naked Sportbike
Target Audience:
Riders seeking a robust, reliable, and capable motorcycle for touring and spirited riding, with a preference for DIY maintenance.
Competitors:
Honda VFR series, Ducati ST series, Yamaha FJR series, Kawasaki Concours.
Engine Configuration:
Horizontally opposed twin-cylinder boxer engine.
Drivetrain:
Shaft drive for low maintenance.
Suspension Front:
Telelever or traditional telescopic fork depending on specific R1100 model variant.
Suspension Rear:
Monolever (or Paralever) with adjustable shock absorber.
Braking System:
BMW Motorrad Integral ABS (on many models).
Engine:
Complete overhaul, tuning, lubrication, cooling system, fuel injection system, exhaust system, ignition system.
Transmission:
Gearbox disassembly, assembly, clutch operation, lubrication, troubleshooting.
Drivetrain:
Final drive, driveshaft, universal joints, rear axle maintenance and repair.
Brakes:
Front and rear brake system, ABS (if equipped), hydraulic lines, calipers, master cylinder, brake fluid.
Suspension:
Front fork (telescopic or Hossack/Paralever for specific models), rear shock absorber, linkage, bearings, wheel alignment.
Electrical System:
Battery, charging system (alternator, regulator), starter motor, lighting, ignition coils, ECU, wiring diagrams, fuses, relays.
Chassis And Frame:
Frame inspection, steering head bearings, subframe, bodywork fairings and panels.
Fuel System:
Fuel tank, fuel pump, fuel injectors, fuel lines, pressure regulator.
Cooling System:
Oil cooler, oil circulation, fluid levels (air-cooled variants rely on oil circulation for cooling).
Maintenance:
Regular servicing, oil changes, filter replacements, spark plug checks, valve clearance adjustments, brake fluid flushes, drive shaft lubrication.
Troubleshooting:
Diagnostic charts, common problems and their solutions, fault finding for engine, electrical, and mechanical systems.
Repair:
Step-by-step instructions for component removal, installation, and repair of all major vehicle systems.
Rebuilds:
Detailed procedures for engine, gearbox, and other major component rebuilds.
Diagnostics:
Guidance on identifying and rectifying issues using diagnostic procedures and tools.
Depth:
Comprehensive, from basic owner maintenance to complete workshop-level repairs and diagnostics.
Detail Level:
Includes torque specifications, clearances, wiring diagrams, exploded views, and service bulletins.
Type:
Air/Oil-cooled, four-stroke, horizontally opposed twin-cylinder boxer engine.
Bore X Stroke:
99 mm x 70.5 mm
Compression Ratio:
10.0:1
Valve Train:
2 valves per cylinder, overhead camshaft (OHC) driven by pushrods.
Horsepower:
Approx. 90 hp @ 7,250 rpm (R1100R), Approx. 98 hp @ 7,500 rpm (R1100S)
Torque:
Approx. 98 Nm (72 lb-ft) @ 5,500 rpm (R1100R), Approx. 103 Nm (76 lb-ft) @ 6,000 rpm (R1100S)
Fuel Delivery:
Bosch Motronic MA 2.4 fuel injection
Fuel Type:
Unleaded premium gasoline, 95 RON (91 AKI)
Ignition Type:
Digital electronic ignition with dual spark plugs per cylinder.
Oil Type:
SAE 20W-50 or 15W-50 motorcycle engine oil meeting API SG or higher.
Oil Capacity:
Approx. 4.0 liters (4.2 US quarts) with filter change.
Oil Change Interval:
Every 10,000 km (6,000 miles) or annually.
Valve Adjustment Interval:
Every 20,000 km (12,000 miles).
Spark Plug Replacement:
Every 20,000 km (12,000 miles).
Drive Shaft Lubrication:
Every 10,000 km (6,000 miles).
Brake Fluid Type:
DOT 4 or DOT 5.1 hydraulic fluid.
Coolant Type:
Not applicable (Air/Oil-cooled)
Common Wear Items:
Clutch wear, worn steering head bearings, potential ABS sensor issues, fuel pump reliability.
Fuel Injection System:
Occasional issues with the Motronic system, requiring diagnostic checks and potential sensor replacement.
Suspension Components:
Wear in fork seals and rear shock absorber can occur with high mileage.
Bmw Motorrad Legacy:
BMW Motorrad has a long history of engineering excellence, particularly with its boxer engine motorcycles, known for reliability and durability.
R Series Development:
The R1100 series represented a significant evolution from earlier air-cooled boxer twins, incorporating fuel injection, improved suspension, and optional ABS, building on the legacy of models like the R100 series.
Production Period:
The R1100 series was produced from the mid-1990s through the early 2000s, with the R1100R and R1100S variants being popular throughout this period.
