Segment:
Sport Touring / Adventure Touring (RT, RS) and Naked/Standard (R, GS variants)
Target Audience:
BMW motorcycle owners and independent repair shops seeking comprehensive maintenance and repair information.
Manual Value:
Provides a cost-effective alternative to dealership service, empowering owners and independent mechanics with factory-level knowledge.
Comprehensiveness:
Covers a wide range of models and model years within the R1100 family, offering a unified reference.
Technical Accuracy:
Based on manufacturer specifications and common repair practices.
Engine Mechanical:
Complete overhaul, valve adjustment, piston/ring replacement, cylinder head service, crankshaft inspection, camshaft timing, oil pump operation.
Fuel System:
Fuel injection system (Motronic), throttle body service, fuel pump and filter replacement, injector diagnosis and cleaning, idle control system.
Ignition System:
Electronic ignition timing, spark plug selection and gap, coil testing, sensor diagnostics (crankshaft position, camshaft position).
Transmission:
Gearbox disassembly and reassembly, clutch operation (dry single-plate), gearbox fluid change, shift mechanism troubleshooting.
Drivetrain:
Final drive (single-sided swingarm), bevel gear inspection, driveshaft and universal joint service, rear wheel bearing replacement.
Suspension:
Front fork service (telescopic), rear monoshock absorber (Paralever), oil and seal replacement, spring preload adjustment, damping adjustments (where applicable).
Brakes:
Integral ABS II system (if equipped), brake fluid flush and bleed, pad and disc replacement, caliper service, master cylinder inspection, ABS sensor and modulator testing.
Electrical System:
Wiring diagrams, battery maintenance, charging system (alternator, regulator), starter motor, lighting circuits, horn, instrument cluster troubleshooting.
Cooling System:
Oil cooling system (oil cooler, oil lines), oil filter replacement, oil level and change intervals.
Exhaust System:
Exhaust pipe and muffler inspection, gasket replacement, catalytic converter information (if applicable).
Frame And Bodywork:
Chassis inspection, fairing removal and installation, seat adjustment, luggage system mounting points, fuel tank removal.
Maintenance:
Routine service intervals, oil and filter changes, spark plug replacement, air filter cleaning/replacement, brake fluid replacement, final drive oil change, valve clearance checks.
Troubleshooting:
Diagnostic flowcharts for common issues (starting problems, running issues, electrical faults), error code interpretation (if applicable to Motronic system).
Repair:
Detailed step-by-step instructions for component disassembly, repair, and reassembly for all major systems.
Technical Adjustments:
Throttle cable adjustment, idle speed setting, clutch cable adjustment, suspension preload and damping adjustments.
Diagnostic Level:
Advanced diagnostics, including understanding of sensor inputs and ECU responses (limited by the era's diagnostic tools).
Rebuild Level:
Complete engine and gearbox rebuild procedures included.
Print Quality:
High-quality paper, clear text and diagrams, durable binding.
Diagram Clarity:
Detailed exploded views, wiring schematics, and component illustrations.
Binding Type:
Saddle-stitched or perfect bound (depending on publisher).
Paper Type:
Durable, often glossy or semi-gloss paper to withstand shop use.
Engine Displacement:
1085 cc (approx. 1100 cc)
Engine Configuration:
Horizontally opposed twin-cylinder ('Boxer')
Bore X Stroke:
99 mm x 70.5 mm
Compression Ratio:
10.0:1
Valve Train:
2 valves per cylinder, overhead camshaft (OHC), pushrod actuation with rocker arms.
Horsepower Typical:
90-95 hp @ 7250 rpm (varies slightly by model)
Torque Typical:
98-100 Nm (72-74 lb-ft) @ 5500 rpm (varies slightly by model)
Fuel Induction:
Bosch Motronic 2.2 or 2.4 electronic fuel injection
Fuel Type:
Unleaded gasoline, minimum 91 RON (87 AKI)
Fuel Tank Capacity Typical:
25 Liters (6.6 US gal) for RT/RS, 20-25 Liters for GS/R
Oil And Filter Change:
Every 10,000 km (6,000 miles) or annually.
Valve Adjustment:
Every 20,000 km (12,000 miles).
Gearbox Oil Change:
Every 20,000 km (12,000 miles).
Final Drive Oil Change:
Every 20,000 km (12,000 miles).
Brake Fluid Flush:
Every 2 years.
Engine Oil Type:
SAE 20W-50 or 15W-50 (API SG or higher, JASO MA compatible). Check owner's manual for specific BMW recommendations.
Engine Oil Capacity:
Approx. 4.0 Liters (4.2 US qt) with filter change.
Hall Effect Sender Failure:
Failure of the Hall effect sensor in the distributor unit can lead to starting or running problems.
Fuel Pump Relay:
Relays can fail, leading to no fuel delivery.
Fuel Line Cracking:
Older fuel lines can become brittle and leak.
ABS Modulator Faults:
ABS modulators can develop faults, especially with age, leading to ABS warning lights or malfunction.
Clutch Actuator Seal:
Leaking clutch actuator seal can cause clutch drag.
Bmw Motorrad Legacy:
BMW Motorrad has a long history of producing reliable and technologically advanced motorcycles, particularly known for their boxer engines.
R1100 Series Introduction:
The R1100 series marked a significant technological leap for BMW, introducing the four-valve per cylinder boxer engine, fuel injection, and the Paralever rear suspension across multiple model variants.
R1100Rt:
Flagship touring model with full fairing, adjustable windscreen, and comfortable ergonomics for long-distance travel.
R1100Rs:
Sport-touring model with a partially faired design offering a balance between comfort and sportiness.
R1100Gs:
Iconic adventure-touring motorcycle, renowned for its versatility, long-travel suspension, and ability to handle varied terrain.
R1100R:
Naked/standard motorcycle with a more minimalist design, showcasing the boxer engine.
Production Years:
R1100 series production ran from approximately 1993 (RS/RT) through 2001 (GS), with the R1150 series taking over thereafter.
