Category:
Sport Touring / Roadster Motorcycle
Target Audience:
BMW R1100R and R1100S owners seeking to perform their own maintenance and repairs.
Competitors:
Moto Guzzi V11 Sport, Ducati ST2/ST3, Honda VFR800.
Engine Configuration:
Air/oil-cooled Boxer-twin engine, known for torque and smooth power delivery.
Suspension System:
Telelever front suspension (R1100S) or conventional telescopic fork (R1100R) and Paralever rear suspension provide excellent ride quality and handling.
Drivetrain:
Shaft drive, requiring minimal maintenance.
Engine Mechanical:
Complete engine overhaul, cylinder head, pistons, crankshaft, valve timing, oil pump, lubrication system.
Fuel System:
Fuel injection (Bosch Motronic), throttle bodies, fuel pump, fuel filter, fuel lines, injectors.
Ignition System:
Ignition coils, spark plugs, Motronic ECU, wiring diagrams.
Transmission:
Clutch operation, gearbox disassembly and assembly, gear selection mechanism, final drive (Paralever).
Brakes:
ABS II/III system (if equipped), hydraulic lines, master cylinders, calipers, brake pads, rotor specifications.
Suspension:
Front telescopic fork (often Showa or WP, with adjustable preload/rebound), rear Monolever (R) or Paralever (S) single shock absorber (adjustable spring preload and rebound damping), linkage system.
Electrical System:
Wiring diagrams, battery, alternator, starter motor, lighting, horn, instrument cluster, sensors, ECU.
Chassis Bodywork:
Frame inspection, fairings, seat, fuel tank, handlebars, footpegs, exhaust system.
Routine Maintenance:
Oil and filter changes, spark plug replacement, air filter cleaning/replacement, valve clearance checks and adjustment, brake fluid flush, clutch fluid flush, final drive oil change.
Troubleshooting:
Diagnostic procedures for common issues, error codes (if applicable), symptom-based fault finding.
Component Rebuild:
Detailed step-by-step instructions for rebuilding engine components, transmission, forks, and shock absorbers.
Special Tools:
Identification and usage of specialized BMW tools required for certain procedures (e.g., flywheel holding tool, torque wrenches).
Depth:
Comprehensive, covering from basic servicing to complete engine and gearbox rebuilds, including electrical diagnostics.
Type:
Four-stroke, air/oil-cooled Boxer-twin
Bore X Stroke:
99 mm x 70.5 mm
Compression Ratio:
10.3:1
Valvetrain:
Two valves per cylinder, overhead camshaft (OHC)
Horsepower:
Approx. 90 hp (67 kW) at 7250 rpm (R1100R), Approx. 98 hp (73 kW) at 7500 rpm (R1100S)
Torque:
Approx. 98 Nm (72 lb-ft) at 5250 rpm (R1100R), Approx. 107 Nm (79 lb-ft) at 5500 rpm (R1100S)
Fuel Delivery:
Bosch Motronic Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded gasoline, minimum 95 RON (Octane Rating)
Oil Type:
SAE 15W-50 or 20W-50 API SG/SH motorcycle oil
Length Approx:
2150 mm (R1100R), 2170 mm (R1100S)
Width Approx:
800 mm (R1100R), 850 mm (R1100S, including mirrors)
Height Approx:
1250 mm (R1100R), 1220 mm (R1100S, seat height)
Dry Weight Approx:
235 kg (R1100R), 239 kg (R1100S)
Wet Weight Approx:
255 kg (R1100R), 259 kg (R1100S)
Max Payload:
Approx. 200 kg
Instrument Cluster:
Analog tachometer and speedometer, digital display for odometer, trip meters, clock, temperature, and gear indicator (on some models).
ABS:
Integral part of the braking system, providing anti-lock functionality.
Diagnostics:
On-board diagnostics via proprietary BMW connectors, requiring specific tools for full access.
Oil Change:
Every 10,000 km or 12 months
Valve Clearance:
Every 20,000 km
Spark Plugs:
Every 20,000 km
Brake Fluid:
Every 24 months
Engine Oil Capacity:
4.0 liters (4.2 US quarts) with filter change
Transmission Oil Capacity:
0.25 liters (0.26 US quarts)
Final Drive Oil Capacity:
0.18 liters (0.19 US quarts)
Fuel Pump Reliability:
Early models could experience fuel pump issues; later replacements are more robust.
Hall Sender Unit:
Can fail, leading to starting problems or stalling. Located near the crankshaft.
ABS Modulator:
Potential for ABS modulator failure or leaks over time, requiring specialized bleeding procedures.
Clutch Slave Cylinder:
Can leak; replacement is a common maintenance item.
Bmw Motorcycles:
BMW Motorrad, a division of BMW AG, has a long and storied history of producing innovative and high-quality motorcycles since the early 20th century.
R Series Legacy:
The R1100 series builds upon BMW's iconic Boxer-twin engine architecture, a design philosophy that has been central to the brand for decades.
R1100 Introduction:
The R1100R and R1100S were introduced in the mid-1990s as successors to the R100 series, featuring a larger 1100cc engine and significant chassis advancements like the Paralever and Telelever suspension systems (on the S model).
Production Years:
The R1100 series was produced from 1993 to 2006 (with variations in engine size and model names, e.g., R1150).
