Market Segment:
Sport Touring Motorcycle
Key Competitors:
Honda VFR750F/VFR800, Yamaha FJ1200, Kawasaki GTR1000, Ducati ST2.
Model Positioning:
The R1100RS was BMW's flagship sport-touring motorcycle, offering a blend of performance, comfort, and sophisticated engineering for long-distance riding and spirited performance.
Manual Value Proposition:
Provides essential technical knowledge for owners and independent workshops to maintain, diagnose, and repair the R1100RS effectively, ensuring longevity and optimal performance.
Engine Mechanical:
Engine overhaul, cylinder head, valve train, piston/ring replacement, crankshaft, connecting rods, timing chain and tensioner, lubrication system (oil pump, oil filter, oil passages), cooling system (oil cooler).
Fuel System:
Fuel injection system (Bosch Motronic), throttle body, fuel pump, fuel injectors, fuel pressure regulator, fuel filter, fuel tank.
Ignition System:
Ignition coils, spark plugs, ignition control module, wiring diagrams.
Transmission Drivetrain:
Gearbox (5-speed), clutch (dry single-plate, hydraulic actuation), final drive (single-sided swingarm with driveshaft), gear shift mechanism, clutch slave cylinder.
Brakes:
Front and rear brake systems (dual disc front, single disc rear), ABS II (if equipped), brake calipers, master cylinders, brake lines, brake fluid replacement and bleeding procedures.
Suspension:
Front telescopic fork (non-adjustable or optional adjustable), rear Monolever swingarm with adjustable shock absorber, fork seal replacement, shock absorber adjustment and overhaul.
Electrical System:
Battery, alternator, starter motor, lighting system (headlight, taillight, turn signals), wiring harness, fuses, relays, instrument cluster, horn, diagnostic connectors.
Chassis Bodywork:
Frame inspection and repair, fairing removal and installation, seat, fuel tank, body panels, handlebars, footrests, center stand, side stand.
Basic Maintenance:
Oil and filter changes, spark plug replacement, air filter cleaning/replacement, brake pad inspection and replacement, tire pressure checks, chain lubrication and adjustment (if applicable to specific models, though R1100RS is shaft drive).
Intermediate Maintenance:
Valve clearance adjustment, brake fluid flush, coolant flush (if liquid-cooled components exist, which is oil-cooled for this model), gearbox oil change, final drive oil change, clutch fluid replacement.
Major Repairs:
Engine rebuild (top and bottom end), transmission overhaul, clutch replacement, suspension component overhaul/replacement, electrical system troubleshooting and repair, ABS system diagnostics.
Troubleshooting:
Diagnostic procedures for common issues, fault code interpretation (if applicable via diagnostics), electrical troubleshooting guides, mechanical troubleshooting flowcharts.
Depth Of Coverage:
Comprehensive, covering routine maintenance, in-depth diagnostics, component-level repair, and complete engine/transmission rebuilds. Includes torque specifications, tolerances, and detailed step-by-step instructions.
Engine Type:
Air/Oil-cooled, four-stroke, boxer-twin (flat-twin)
Displacement:
1085 cc (66.2 cu in)
Bore X Stroke:
99 mm x 70.5 mm (3.9 in x 2.78 in)
Compression Ratio:
10.3:1
Valve Train:
2 valves per cylinder, pushrod actuated OHV
Cylinder Head Design:
Four-valve cylinder heads (later development, early R1100RS used two valves per cylinder, confirm specific model year for accuracy in manual).
Horsepower:
90 PS (89 bhp; 66 kW) at 6750 rpm
Torque:
98 Nm (72 lb-ft) at 5250 rpm
Fuel Delivery:
Bosch Motronic MA 2.2 fuel injection
Fuel Type:
Unleaded gasoline, minimum 95 RON
Oil Capacity:
Approx. 4.0 liters (4.2 US qt) with filter change
Recommended Oil Grade:
SAE 20W-40 or 20W-50 (refer to manual for precise BMW specifications, e.g., BMW Motorrad Approved oils)
Ignition System:
Electronic ignition with dual spark plugs per cylinder
Transmission Type:
5-speed manual
Clutch Type:
Dry, single-plate, hydraulically actuated
Final Drive:
Shaft drive via BMW Monolever single-sided swingarm
Gearbox Oil Capacity:
Approx. 0.75 liters (0.79 US qt)
Recommended Gearbox Oil:
SAE 75W/90 API GL-5 gear oil (refer to manual for specific BMW approval)
Final Drive Oil Capacity:
Approx. 0.18 liters (0.19 US qt)
Recommended Final Drive Oil:
SAE 75W/90 API GL-5 gear oil (refer to manual for specific BMW approval)
Instrument Cluster:
Analog speedometer and tachometer, digital odometer, trip meter, fuel level indicator, engine temperature warning light, oil pressure warning light, ABS indicator light (if equipped).
ABS System:
BMW Motorrad ABS II (optional), a sophisticated anti-lock braking system for its era, offering enhanced safety during braking.
Diagnostic Port:
On-board diagnostic connector for engine management system (Motronic) and ABS, allowing for fault code retrieval and analysis.
Oil Change Interval:
Every 10,000 km (6,200 miles) or annually, whichever comes first.
Valve Adjustment Interval:
Every 20,000 km (12,400 miles).
Brake Fluid Flush:
Every 2 years.
Engine Oil Specification:
BMW Motorrad Approved SAE 20W-40 or 20W-50. Consult manual for exact BMW Longlife specifications.
Brake Fluid Specification:
DOT 4
Common Wear Items:
Clutch slave cylinder seal leaks, alternator brush wear, fuel pump issues, rear shock absorber degradation over time, ABS sensor reliability (on equipped models).
Troubleshooting Focus:
The manual will provide detailed guidance on diagnosing and rectifying common electrical faults related to the Motronic system and ABS, as well as mechanical wear issues.
