Positioning:
Premium touring and sport-touring motorcycles for experienced riders, emphasizing technology and rider comfort.
Competitors:
Honda Gold Wing, Yamaha FJR1300, Kawasaki Concours 14, Moto Guzzi Norge
Model Features Rt:
Full fairing, integrated luggage, electrically adjustable windscreen, comfortable ergonomics for long-distance travel.
Model Features Rs:
More sporting-oriented with a half-fairing, slightly more aggressive riding position, emphasizing performance and agility.
Value:
Essential resource for owners and independent mechanics to maintain, diagnose, and repair these complex machines, saving significant costs compared to dealer service.
Primary Coverage:
BMW R1100RT and R1100RS Motorcycles
Estimated Page Count:
Comprehensive (Exact count not provided, but implies extensive detail)
Type:
Workshop Service Repair Manual
Format:
Downloadable (Implied digital format, likely PDF)
Engine Systems:
Engine assembly, disassembly, tuning, diagnosis, lubrication, cooling system, fuel injection, exhaust system
Transmission Drivetrain:
Clutch operation and service, gearbox overhaul, final drive maintenance, driveshaft inspection
Chassis Suspension:
Front fork servicing (including Telelever), rear shock absorber (Paralever) inspection and replacement, wheel bearing maintenance, steering head bearing service
Braking System:
Brake fluid replacement, caliper servicing, master cylinder overhaul, ABS system diagnostics and bleeding procedures
Electrical System:
Wiring diagrams, battery maintenance, charging system (alternator, regulator), starter motor service, lighting system, instrument cluster troubleshooting, ECU diagnosis
Fuel System:
Fuel tank inspection, fuel pump operation, fuel filter replacement, fuel injection system (Bosch Motronic) troubleshooting
Bodywork Fairings:
Fairing removal and installation, seat servicing, luggage system maintenance (RT specific), body panel adjustments
Routine Maintenance:
Oil and filter changes, spark plug replacement, air filter cleaning/replacement, valve clearance adjustment, brake pad replacement, chain/driveshaft lubrication
Troubleshooting Diagnostics:
System-specific diagnostic flowcharts, common fault finding, error code interpretation
Repair Overhaul:
Complete engine rebuild procedures, transmission component replacement, suspension component overhauls, electrical component repair
Technical Specifications:
Torque specifications for all fasteners, fluid capacities, electrical resistance values, diagnostic parameters
Depth:
Comprehensive, from basic scheduled maintenance to complete engine and transmission overhauls
Format:
Digital Download (Likely PDF)
Quality:
High-resolution, clear diagrams and text (assumed for a quality service manual)
Type:
Not Applicable (Downloadable format)
Type:
Not Applicable (Downloadable format)
Type:
Air-cooled, four-stroke, flat-twin (boxer) engine
Displacement:
1085 cc (1085 cm³)
Bore X Stroke:
99 mm x 70.5 mm
Compression Ratio:
10.0:1
Horsepower Rt:
90 hp @ 7250 rpm (approx.)
Horsepower Rs:
90 hp @ 7250 rpm (approx.)
Torque Rt:
98 Nm (72 lb-ft) @ 5500 rpm (approx.)
Torque Rs:
98 Nm (72 lb-ft) @ 5500 rpm (approx.)
Induction:
Electronic fuel injection (Bosch Motronic 2.2)
Fuel Type:
Unleaded gasoline, minimum octane rating 91 (RON+MON/2)
Valve Actuation:
Overhead valves, pushrod operated, 4 valves per cylinder
Ignition System:
Digital ignition (CDI) with dual spark plugs per cylinder
Length Rt:
Approx. 2230 mm (87.8 in)
Length Rs:
Approx. 2170 mm (85.4 in)
Width Rt:
Approx. 910 mm (35.8 in) (including mirrors)
Height Rt:
Approx. 1435 mm (56.5 in) (at highest windscreen position)
Dry Weight Rt:
Approx. 256 kg (564 lbs)
Dry Weight Rs:
Approx. 238 kg (525 lbs)
Gross Vehicle Weight Rating Gvwr:
Approx. 470 kg (1036 lbs)
Tank Capacity:
25 liters (6.6 US gal), including approx. 4 liters reserve
Crash Safety:
Motorcycles are not subject to traditional automotive crash safety ratings. Focus is on rider protection through design and equipment.
Braking System:
Integral ABS II (Anti-lock Braking System), Servo-assisted brakes
Lighting:
Halogen headlight, LED taillight, integrated turn signals
Chassis Design:
Sturdy steel-tube frame, Telelever front suspension for stable handling, Paralever rear suspension.
Rider Ergonomics:
Adjustable seating positions (RT), comfortable handlebar placement, wind protection (RT).
Rt Features:
Optional radio/cassette player, heated grips, heated seats (RT models).
ABS System:
Integral ABS II (a highly regarded early implementation of linked and anti-lock braking).
Diagnostic Interface:
On-board diagnostics via the Motronic system, requiring specific BMW diagnostic tools for full access.
Oil Change:
Every 10,000 km or annually (refer to manual for specific oil type and capacity)
Valve Adjustment:
Every 20,000 km
Spark Plugs:
Replace every 20,000 km (or as specified for twin-spark system)
Brake Fluid:
Replace every 2 years
Engine Oil:
SAE 20W-50 or 10W-40, API SG or higher (consult manual for exact specification and capacity, approx. 4 liters)
Transmission Oil:
SAE 75W-90, API GL-4 or GL-5 (consult manual for exact specification and capacity)
Final Drive Oil:
SAE 75W-140, API GL-5 (consult manual for exact specification and capacity)
Brake Fluid:
DOT 4 (consult manual for specific type and capacity)
Common Wear Items:
Clutch wear, fuel pump issues, ABS modulator failures, alternator brushes, oil seal leaks (crankshaft, transmission input shaft), paralever pivot bearings.
Electrical Gremlins:
Wiring harness corrosion, failing relays, intermittent dashboard lights, ECU connector issues.
Heritage:
BMW Motorrad has a long and storied history dating back to the early 20th century, renowned for engineering innovation, durability, and boxer engine configurations.
R1100 Series:
The R1100 series, launched in the early 1990s, represented a significant technological advancement for BMW's boxer twins, incorporating the Telelever front suspension and updated Motronic fuel injection.
Rt Evolution:
The R1100RT built upon the success of previous RT models, solidifying its position as a premier long-distance touring machine with enhanced comfort and features.
Rs Evolution:
The R1100RS offered a sportier interpretation of the boxer platform, appealing to riders who desired touring capabilities with a more engaging riding experience.
Production Range:
1993 - 2001 (approx. for the R1100 platform, specific RT/RS models may vary slightly)
Rider Appreciation:
Consistently praised by motorcycle journalists and owners for their comfort, build quality, and long-distance capability. The R1100RT often cited as one of the best touring bikes of its era.
Reliability:
Generally considered reliable and durable with proper maintenance, though some electrical and component issues are not uncommon with age.