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Manual Coverage
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Systems Covered
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Engine Mechanical:
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Engine assembly, disassembly, cylinder head, valves, pistons, crankshaft, connecting rods, lubrication system, cooling system.
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Fuel System:
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Fuel injection system (Bosch Motronic), fuel pump, injectors, fuel filter, throttle body, fuel tank.
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Ignition System:
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Ignition timing, spark plugs, ignition coils, ECU control.
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Electrical System:
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Wiring diagrams, battery, alternator, starter motor, lighting systems, instrumentation, control units (ECU, ABS).
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Transmission:
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Clutch operation, gearbox assembly, disassembly, shift mechanism, final drive, driveshaft, universal joint.
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Brakes:
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Brake system components, hydraulic lines, brake fluid, ABS system (if equipped), caliper maintenance, rotor inspection.
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Suspension:
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Front fork (telescopic or paralever), rear shock absorber, swingarm, bearings, linkage maintenance.
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Chassis And Bodywork:
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Frame inspection, fairings, seat, handlebars, fuel tank removal/installation, body panel alignment.
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Exhaust System:
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Exhaust manifold, catalytic converter (if applicable), mufflers, mounting hardware.
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Wheels And Tires:
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Wheel bearing service, tire replacement, wheel balancing.
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Procedures Included
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Scheduled Maintenance:
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Oil changes, filter replacements, spark plug service, valve clearance checks, brake fluid flushes, coolant checks.
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Troubleshooting:
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Diagnostic charts, symptom-based problem solving, common fault identification.
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Repair And Overhaul:
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Detailed step-by-step instructions for component disassembly, repair, and reassembly.
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Technical Specifications:
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Torque values, clearances, fluid capacities, electrical resistance readings, component tolerances.
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Diagnostics:
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Fault code retrieval (if applicable), sensor testing, electrical system testing.
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Adjustments:
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Throttle cable adjustment, clutch adjustment, idle speed setting.
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Technical Depth
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Depth:
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Comprehensive, covering routine maintenance to full engine and transmission rebuilds.
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Diagnostics Level:
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Advanced, including electrical system diagnostics and potential use with diagnostic tools.
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Engine Specifications
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Primary Engine
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Type:
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Liquid-cooled, four-stroke, inline four-cylinder
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Displacement:
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1093 cc (66.7 cu in)
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Bore X Stroke:
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72 mm x 67.5 mm (2.83 in x 2.66 in)
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Compression Ratio:
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10.0:1
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Valve Train:
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DOHC, 4 valves per cylinder
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Performance
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Horsepower K1100Lt:
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100 hp (75 kW) at 8,000 rpm
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Horsepower K1100Rs:
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100 hp (75 kW) at 8,000 rpm
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Torque K1100Lt:
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95 Nm (70 lb-ft) at 6,000 rpm
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Torque K1100Rs:
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95 Nm (70 lb-ft) at 6,000 rpm
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Fuel System
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Fuel Delivery:
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Bosch Motronic Electronic Fuel Injection (EFI)
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Fuel Type:
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Unleaded gasoline, 91-98 RON (95-98 Octane)
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Fuel Tank Capacity:
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21 Liters (5.5 US gal)
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Lubrication
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Oil Capacity With Filter:
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Approx. 4.5 Liters (4.8 US qt)
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Recommended Oil Viscosity:
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SAE 20W-40 or 15W-50 (check manual for specific BMW recommendations)
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Cooling System
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Type:
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Liquid-cooled
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Coolant Capacity:
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Approx. 2.5 Liters (2.6 US qt)
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Coolant Type:
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Ethylene glycol-based coolant with corrosion inhibitors (e.g., BMW approved coolant or equivalent)
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Dimensions
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Exterior
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Length K1100Lt:
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Approx. 2300 mm (90.6 in)
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Length K1100Rs:
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Approx. 2220 mm (87.4 in)
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Width K1100Lt:
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Approx. 920 mm (36.2 in)
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Width K1100Rs:
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Approx. 840 mm (33.1 in)
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Height K1100Lt:
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Approx. 1450 mm (57.1 in)
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Height K1100Rs:
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Approx. 1290 mm (50.8 in)
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Weights
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Dry Weight K1100Lt:
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Approx. 271 kg (597.5 lbs)
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Dry Weight K1100Rs:
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Approx. 247 kg (545 lbs)
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Gross Vehicle Weight Rating:
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Refer to VIN plate for specific model
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Wheelbase:
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Approx. 1485 mm (58.5 in)
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Wheels And Tires
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Front Tire Size:
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120/70 ZR17
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Rear Tire Size:
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160/80 VR17 (LT), 170/70 VR17 (RS)
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Front Wheel Size:
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MT 3.50 x 17
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Rear Wheel Size:
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MT 4.00 x 17 (LT), MT 4.50 x 17 (RS)
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Wheel Bolt Pattern:
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N/A (Cast alloy wheels with single central nut)
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Maintenance
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Service Intervals
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Oil Change Interval:
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Every 5,000 - 10,000 km (3,000 - 6,000 miles) or annually, refer to manual for exact intervals.
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Filter Replacement:
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Oil filter with every oil change.
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Spark Plug Interval:
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Every 10,000 - 20,000 km (6,000 - 12,000 miles).
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Valve Clearance Check:
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Every 20,000 - 30,000 km (12,000 - 18,000 miles).
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Brake Fluid Flush:
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Every 2 years (non-service interval based, due to moisture absorption).
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Coolant Flush:
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Every 2-4 years or as recommended by coolant manufacturer.
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Fluid Specifications
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Engine Oil Specification:
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API SG/SH or JASO MA compliant motorcycle oil. Refer to manual for specific viscosity and approvals.
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Brake Fluid Specification:
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DOT 4 hydraulic brake fluid.
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Coolant Specification:
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Ethylene glycol based coolant with corrosion inhibitors. BMW recommends specific coolant or approved alternatives.
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Known Issues
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Fuel Pump Reliability:
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Early models could experience fuel pump issues; later models generally improved.
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Electrical Connections:
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Corrosion at electrical connectors, especially in humid climates, can lead to intermittent faults.
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Paralever Pivot Bearings:
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Wear in the paralever pivot bearings can cause rear end knocking or looseness.
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ABS Control Unit:
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Older ABS units can be prone to failure; diagnosis and repair can be complex.
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