SAE 20W-50 API SG or higher (as per original manual recommendations)
Engine Oil Capacity:
Approx. 4.0 Liters (4.2 US qt) with filter change
🔧 Transmission
Standard
Type:
5-speed manual gearbox
Clutch:
Single dry plate, hydraulically operated
Final Drive:
Shaft drive with Paralever single-sided swingarm
Features
Gear Ratios:
Refer to manual for specific ratios (e.g., 1st: 3.47, 2nd: 2.54, 3rd: 1.87, 4th: 1.46, 5th: 1.22)
Fluid Specifications
Gearbox Oil Type:
SAE 75W-90 API GL-5
Fluid Capacities
Gearbox Oil Capacity:
Approx. 1.2 Liters (1.3 US qt)
📐 Dimensions
Exterior
Length:
Approx. 2230 mm (87.8 in)
Width:
Approx. 930 mm (36.6 in) over handlebars
Height:
Approx. 1430 mm (56.3 in) to top of windscreen
Weights
Dry Weight:
Approx. 260 kg (573 lbs)
Wet Weight:
Approx. 275 kg (606 lbs) (with fluids)
Gross Vehicle Weight Rating Gvwr:
Refer to manual (typically around 500 kg)
Payload Capacity:
Refer to manual (typically around 225 kg)
Wheelbase
Wheelbase:
Approx. 1487 mm (58.5 in)
Wheel And Tire Specifications
Front Tire Size:
110/80 ZR 18
Rear Tire Size:
140/80 R17
Front Wheel Type:
Cast aluminum alloy
Rear Wheel Type:
Cast aluminum alloy
Wheel Bolt Pattern:
N/A (Hub mounted)
🛡️ Safety Features
Ratings
Crash Test Results:
N/A (Motorcycles typically not subjected to standardized automotive crash tests)
Active Features
Braking System:
BMW Integral ABS II (Anti-lock Braking System)
Lighting:
Halogen headlamp, LED taillight, turn signals
Handling:
Telelever front suspension for improved stability and braking characteristics.
Passive Features
Body Protection:
Full fairing providing wind and weather protection.
Engine Guard:
Optional engine crash bars available.
Recall Information
Recalls:
Refer to official BMW archives or NHTSA for any specific recalls.
💡 Technology Features
Infotainment
Audio System:
Optional factory-fitted radio/cassette player or CD player available on some models.
Navigation:
Provision for aftermarket GPS systems or earlier BMW Navigator units.
Driver Assistance
ABS:
BMW Integral ABS II, a sophisticated system for its time, integrating braking functions.
Cruise Control:
Optional cruise control system available on many models.
Connectivity
Bluetooth:
Not standard; aftermarket solutions for communication systems.
Instrumentation
Dashboard:
Analog tachometer, speedometer, fuel gauge, engine temperature gauge, clock, and warning lights.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 10,000 km (6,000 miles) or annually, whichever comes first.
Air Filter Interval:
Check every 10,000 km (6,000 miles), replace as needed. Replace every 20,000 km (12,000 miles) or if dirty.
Spark Plug Interval:
Replace every 20,000 km (12,000 miles).
Valve Adjustment Interval:
Every 20,000 km (12,000 miles).
Brake Fluid Flush Interval:
Every 2 years.
Transmission Oil Change Interval:
Every 20,000 km (12,000 miles) or every 2 years.
Fluid Specifications
Coolant Type:
Not applicable (Air/Oil cooled)
Clutch Fluid Type:
DOT 4 brake fluid
Fork Oil Type:
Refer to manual, typically a specific weight like SAE 7.5W or 10W
Known Issues
Common Complaints:
Fuel pump failures, ABS system sensor issues, occasional clutch slave cylinder leaks, oil leaks from seals (e.g., output shaft seal).
Preventative Measures
Recommendations:
Regular inspection of fuel lines, electrical connections, and seals. Maintain clean air intake and proper valve clearances.
📚 Vehicle History
Brand Heritage
Manufacturer:
Bayerische Motoren Werke AG (BMW)
Heritage Focus:
Long history of producing innovative motorcycles, particularly known for boxer engines and touring capabilities.
Model Evolution
Lineage:
Part of the R-series boxer motorcycle family, evolving from earlier K-series and Airhead models.
Predecessors:
R100 RT, K100 RT
Successors:
R1150 RT, R1200 RT
Production
Manufacturing Location:
Berlin, Germany (BMW Motorrad plant)
Introduction Year:
1996
Discontinuation Year:
2001
🏆 Awards & Recognition
Recognitions
Awards:
While specific awards for this model year are not readily documented, the R1100 RT series was highly regarded for its touring capabilities and reliability in its era, earning consistent praise from motorcycle publications.
Ratings
Review Scores:
Consistently rated highly by contemporary motorcycle reviews for comfort, performance, and technology.
Certifications
Manufacturing Standards:
Manufactured to stringent BMW quality and safety standards.
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