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Important information
Regular maintenance is a must for a reliable and good motorcycle. Under normal driving conditions you can do the service a few hundred km sooner or later.
Subsequent you will find technical data as well as maintenance and service information.
We make no claim to completeness or accuracy of all data, these are only for your information.

Spares for BMW K1100RS, BMW K1100LT

Technical data

Parts list for maintenance intervals/service for BMW K1100LT 1991-1999
Parts list for maintenance intervals/service for BMW K1100RS 1992-1997

Model BMW K1100LT 1991-1999
Volume (ccm) 1093
Cylinders 4
Power (HP) 100
Power (KW) 74
Weight (kg) 290
Seat height (mm) 810
Idle speed (R/Min) 950 ± 50
Injection Injection 35 mm
Tyre pressure front (bar) 2,2 (2,5)
Tyre pressure rear (bar) 2,5 (2,9)
Spark plug 1 NGK DR7EA
Spark Plug 1 -
Standpipe 41,4 mm telescopic fork
Drive Cardan
Fork oil per rod R: 400ML / L: 350ML
Engine Oil Without Filter 3,5 L SAE 15W-50
Engine Oil With Filter 3,75 L MIN. API SJ
Gearbox Oil 850 ML SAE 90 GL-5
Break Fluid DOT 4
Final Drive Oil 260 ML SAE 90 GL-5
Fuel tank volume 22
Coolant 3,0 L

Running-in Check / 600 miles (1.000 km) service:

Changing engine oil with engine at operating temperature, replacing oil filter
Changing oil in gearbox, warmed to normal operating temperature
Changing oil in final drive, warmed to normal operating temperature
Changing oil in telescopic forks
Cleaning inductive sensor on final drive
Visual inspection of the fuel pipes, fuel hoses and connections
Visual inspection of the coolant pipes, coolant hoses and connections
Checking coolant level and concentration
Checking front and rear brake fluid level
Checking front and rear wheel speed sensor clearance
Checking operation of side-stand switch
Checking clutch play
Checking freedom of movement of throttle cable and checking for kinks and chafing
Checking freedom of movement of fast-idle (choke) cable and checking for kinks and chafing
Checking idle speed
Checking CO value
Checking specified torque of threaded fasteners with torque wrench: drive unit to frame, spring strut, side stand & centre stand, rear wheel
Checking tire pressures and tread depth
Checking lights and signalling equipment
Test ride as final inspection and function check
Confirming BMW Service in on-board documentation

6.000 miles (10.000 km) service (30.000 km / 50.000 km):

Changing engine oil with engine at operating temperature, replacing oil filter
Changing oil in gearbox, warmed to normal operating temperature
Changing oil in final drive, warmed to normal operating temperature
Changing oil in telescopic forks
Cleaning inductive sensor on final drive
Lubricating nipple of clutch cable
Greasing centre stand pivot
Greasing side stand pivot
Checking front and rear brake discs for wear
Checking front and rear brake pads for wear
Checking front and rear brake fluid level
Checking operation of side-stand switch
Reading fault memory with BMW Motorrad diagnostic system
Checking coolant level and concentration
Checking battery acid level
Cleaning and greasing battery terminals
Checking idle speed
Checking CO value
Checking tire pressures and tread depth
Checking lights and signalling equipment
Test ride as final inspection and function check
Confirming BMW Service in on-board documentation
Checking front and rear wheel speed sensor clearance (K1100LT)
Checking rear sensor ring for ABS for foreign matter (K1100LT)
Lubricating guide linkage of adjustable windscreen (K1000LT)

12.000 miles (20.000km) service (40.000 km / 60.000 km):

Changing engine oil with engine at operating temperature, replacing oil filter
Changing oil in gearbox, warmed to normal operating temperature
Changing oil in final drive, warmed to normal operating temperature
Changing oil in telescopic forks
Cleaning inductive sensor on final drive
Lubricating nipple of clutch cable
Greasing centre stand pivot
Greasing side stand pivot
Replacing intake air filter
Replace the fuel filter (every 40.000 km)
Visual inspection of the fuel pipes, fuel hoses and connections
Visual inspection of the coolant pipes, coolant hoses and connections
Checking coolant level and concentration
Change coolant in system (every 2 years)
Checking front and rear brake pads for wear
Checking front and rear brake discs for wear
Checking front and rear brake fluid level
Visual inspection of the brake pipes, brake hoses and connections
Changing brake fluid, front and rear brakes
Checking front and rear wheel speed sensor clearance
Checking rear sensor ring for ABS for foreign matter
Checking operation of side-stand switch
Checking clutch play
Checking freedom of movement of throttle cable and checking for kinks and chafing
Checking freedom of movement of fast-idle (choke) cable and checking for kinks and chafing
Replacing spark plugs
Reading fault-code memories with the BMW Motorrad diagnostic system
Checking valve clearance
Replace liner on chain tensioning rail, slide rail and thrust block (fuel tank / cylinder head cover removed) (every 60.000 km)
Checking steering-head bearing
Checking battery acid level
Cleaning and greasing battery terminals
Checking specified torque of threaded fasteners with torque wrench: drive unit to frame, spring strut, side stand & centre stand, rear wheel
Checking idle speed
Checking CO value
Checking tire pressures and tread depth
Checking lights and signalling equipment
Test ride as final inspection and function check
Confirming BMW Service in on-board documentation
Lubricating guide linkage of adjustable windscreen (K1000LT)

Maintenance Intervals / Maintenance Plan / Customer Service for BMW K1100RS & K1100LT

 

Welcome to Hornig – your specialist for high-quality motorcycle accessories, spare parts, and service components for classic BMW motorcycles. On this page, you will find all relevant information about maintenance intervals, service, and inspection plans for your BMW K1100RS or BMW K1100LT. Additionally, you will learn which spare parts and maintenance kits from our range are ideal for customer service, maintenance, and care.

 

Maintenance Intervals & Service Plan for K1100RS / K1100LT

  • Break-in / First Service: after approx. 1,000 km – including oil change with oil filter, transmission oil, driveshaft/rear axle oil, and inspection of important safety-relevant components such as brakes, electrical system, and cooling system.
  • Regular Service (about every 10,000 km): replace engine oil + oil filter, check or change transmission oil, functional and visual inspection of all important components.
  • Major Service (approx. every 20,000 km): additionally replace air or intake air filter, renew spark plugs, check/change fuel filter if necessary, check brake fluid and brake system, change transmission/driveshaft oil, check coolant and, if necessary, fork oil or cooling circuit.
  • Long-term Maintenance & Wear Inspection: regular inspection of brakes, tires (tread depth, air pressure), drive/driveshaft, chassis, electrical system, and lighting — depending on usage and age of the motorcycle or before longer tours.

 

Typical Service and Maintenance Tasks for K1100RS / K1100LT

  • Engine oil change including oil filter – essential for longevity and engine protection.
  • Check or change transmission oil and driveshaft/rear axle oil – important for smooth power transmission and smooth drive in K models.
  • Replace air or intake air filter element – especially important for frequent city traffic or touring use.
  • Check and replace spark plugs if necessary – for reliable ignition and optimal engine performance.
  • Check brake system: brake pads, discs, brake fluid, and brake lines – safety comes first.
  • Check coolant and cooling system – important for liquid-cooled K1100 models.
  • Inspect chassis, tires, tire pressure, steering head bearings, shock absorbers, and all safety-relevant components (lighting, electrical system, side/main stand, etc.).

 

Recommended Spare Parts & Maintenance Kits at Hornig

For your BMW K1100RS and K1100LT, Hornig offers high-quality spare parts and service kits: engine oil + oil filter, transmission and driveshaft oil, air filter elements, spark plugs, brake fluid and brake wear parts, coolant, seals, and other wear components. With these items, you can reliably cover all typical maintenance and service tasks — from oil changes to filter service to major inspections.

 

Benefits of Regular Maintenance and Service with Hornig

  • Preservation of performance, reliability, and riding comfort – especially for older classic BMW models like K1100RS / K1100LT.
  • Longer service life of engine, transmission, drive, and brake system through timely oil and filter changes and maintenance of all safety-relevant components.
  • Safety and roadworthiness – through regular checks of brakes, tires, chassis, and electrical system.
  • Clear maintenance and service plan – with suitable spare parts from Hornig so you don't forget anything and can carry out maintenance efficiently.
  • Value retention and documentation – important for resale or long-term use of your motorcycle.

 

Recommendations for Your Maintenance Interval & Service Behavior

Depending on mileage, riding style (e.g., touring, city, short distances), age, and condition of your BMW K1100RS / K1100LT, you should adjust the scope of maintenance accordingly. For motorcycles with high mileage or intensive use, it is advisable to perform oil and filter changes earlier and possibly shorten inspection intervals. For longer periods of inactivity or winter storage, additional checks — such as coolant, battery, tires, and brake system — are advisable.

 

Conclusion: Well-equipped with Maintenance Plan, Service & Spare Parts from Hornig

A well-thought-out maintenance plan and regular customer service are crucial for safety, longevity, and riding pleasure with your BMW K1100RS or K1100LT. With high-quality spare parts, service components, and maintenance kits from Hornig, you can reliably cover all service and maintenance tasks — from oil changes to transmission and driveshaft oil, air filters, spark plugs, brakes, up to major inspections. Trust Hornig as your competent partner for maintenance, service, and customer care to ensure that your BMW K1100RS / K1100LT remains powerful, safe, and retains its value for a long time.

Please note: The stated intervals and maintenance steps are based on manufacturer and experience values. Depending on riding style, route, and load, earlier or more frequent maintenance may be advisable. For binding information, please consult the owner's manual of your BMW R1250RS or a qualified specialist workshop.