Segment:
Sport Touring / Naked Sportbike
Competitors 1999:
Honda VFR800, Ducati ST2, Kawasaki ZZR1100, Yamaha FJR1300 (later)
Engine Layout:
Horizontally-opposed twin-cylinder Boxer engine
Suspension Front:
BMW Telelever system (R1100S features a slightly sportier tune)
Suspension Rear:
BMW Paralever system with adjustable monoshock
Braking System:
Integral ABS II (optional on some models, standard on later R1100S)
Primary Coverage:
Service, Repair, Maintenance, Troubleshooting, Diagnostics
Secondary Coverage:
Electrical Systems, Bodywork, Specifications, Wiring Diagrams
Estimated Pages:
Approx. 500+
Type:
Service & Repair Manual
Format:
Downloadable Digital File (PDF)
Engine:
Detailed overhaul procedures, valve adjustment, fuel injection system (Motronic 2.2), ignition system, cooling system (oil cooling), exhaust system.
Transmission:
Gearbox overhaul, clutch service, final drive, driveshaft maintenance, clutch fluid replacement.
Brakes:
ABS II (anti-lock braking system) maintenance and bleeding, front and rear brake caliper overhaul, brake pad replacement, brake fluid specifications.
Electrical:
Comprehensive wiring diagrams, battery maintenance, charging system (alternator, regulator), lighting systems, starter motor, fuses, relays, instrument cluster diagnostics.
Chassis And Suspension:
Front fork (Telelever) service and adjustment, rear suspension (Paralever) overhaul, wheel bearing replacement, steering head bearing service.
Bodywork And Trim:
Fairing removal and installation, seat adjustments, fuel tank maintenance, fender and panel replacement.
Scheduled Maintenance:
Oil changes, filter replacements, spark plug service, air filter cleaning/replacement, brake fluid flush, clutch fluid flush, final drive oil change.
Troubleshooting:
Diagnostic flowcharts for common running issues, electrical faults, starting problems, braking system malfunctions.
Repair And Rebuild:
Complete engine disassembly and reassembly, gearbox rebuilds, suspension component replacement, electrical component repair.
Depth:
Comprehensive from basic fluid changes to complete engine and transmission rebuilds, including electronic diagnostics.
Type:
Four-stroke, air-cooled, horizontally-opposed (Boxer) twin
Displacement:
1085 cc (107.2 cu in)
Bore X Stroke:
99 mm x 70.5 mm (3.90 in x 2.78 in)
Compression Ratio:
10.3:1
Valve Train:
2 valves per cylinder, SOHC (single overhead camshaft), pushrod actuated.
Horsepower:
R1100R: ~80 hp @ 6,750 rpm; R1100S: ~90 hp @ 7,250 rpm
Torque:
R1100R: ~95 Nm (70 lb-ft) @ 5,250 rpm; R1100S: ~97 Nm (72 lb-ft) @ 5,500 rpm
Induction:
Bosch Motronic 2.2 fuel injection with digital ignition
Fuel Type:
Unleaded gasoline, octane rating 91 (RON + MON / 2)
Length R1100R:
Approx. 2,180 mm (85.8 in)
Length R1100S:
Approx. 2,120 mm (83.5 in)
Width R1100R:
Approx. 840 mm (33.1 in) (incl. mirrors)
Width R1100S:
Approx. 770 mm (30.3 in) (incl. mirrors)
Height R1100R:
Approx. 1,245 mm (49.0 in)
Height R1100S:
Approx. 1,260 mm (49.6 in)
Dry Weight R1100R:
Approx. 210 kg (463 lbs)
Dry Weight R1100S:
Approx. 224 kg (494 lbs)
Gross Vehicle Weight Rating:
Approx. 450 kg (992 lbs)
Fuel Tank Capacity:
25 liters (6.6 US gal), including 4-liter reserve
Crash Test Ratings:
Motorcycles are not typically subjected to standardized crash testing like automobiles.
ABS:
Integral ABS II (optional, features integrated front and rear braking)
Lighting:
Halogen headlight, multi-reflector rear light
Frame:
Steel trellis frame
Bodywork:
Aerodynamic fairing (R1100R) or sportier fairing (R1100S) for rider protection
Infotainment Systems:
N/A (Basic instrumentation: speedometer, tachometer, fuel gauge, temperature gauge, warning lights).
ABS System:
Integral ABS II (optional on R1100R, often standard on R1100S) provides enhanced braking control.
Oil Change:
Every 10,000 km (6,000 miles) or annually, whichever comes first.
Filter Change:
Oil filter with every oil change.
Valve Adjustment:
Every 20,000 km (12,000 miles).
Spark Plugs:
Replace every 30,000 km (18,000 miles) or as needed.
Engine Oil:
SAE 20W-50 API SG or higher. Capacity: 4 liters (4.2 US qt) with filter change.
Final Drive Oil:
Hypoid gear oil SAE 90 API GL-5. Capacity: 250 ml (0.26 US qt).
Clutch Fluid:
DOT 4 (same as brake fluid).
Common Problems:
Leaking oil seals (especially front cover and output shaft), worn clutch slave cylinder, ABS sensor issues, premature wear on steering head bearings, occasional fuel injector issues.
R1100S Specific:
Some R1100S models may experience feedback in the throttle due to the more sensitive fuel mapping and engine character.
Bmw Motorrad Legacy:
BMW Motorrad has a long history of engineering robust and reliable motorcycles, particularly known for their boxer engines and shaft drive systems dating back to the R32.
R1100 Series:
The R1100 series represented a significant technological advancement for BMW, incorporating fuel injection, advanced suspension (Telelever/Paralever), and often ABS, building upon the success of the earlier R100 series.
Production Years:
R1100R: 1993-2001; R1100S: 1998-2005
Manufacturing Location:
Berlin, Germany
Industry Acclaim:
The R1100 series, particularly the R1100S, was praised for its blend of comfort, performance, and technological innovation, establishing BMW's presence in the sport touring segment.
Comparative Reviews:
Frequently lauded for its robust build quality and long-distance comfort.
Certification Standards:
Compliant with relevant European emissions and safety standards for its production period.
