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 F650, BMW F650CS, BMW F650GS, BMW F650ST and BMW F650GS PD


Technical data

Model BMW F650CS 2002-2003
Volume (ccm) 652
Cylinders 1
Power (HP) 50
Power (KW) 37
Weight (kg) 187
Seat height (mm) 780
Idle speed (R/Min) 1350 ± 100
Injection Injection
Tyre pressure front (bar) 1,9 (2,1)
Tyre pressure rear (bar) 2,1 (2,3)
Spark plug 1 NGK DR8EB
Spark Plug 1 NGK DR8EIX
Standpipe 41 mm telescopic fork
Drive Chain
Fork oil per rod 470 ML SAE 10W
Engine Oil Without Filter 2,3 L SAE 15W-50
Engine Oil With Filter 2,5 L MIN. API SJ
Gearbox Oil -
Break Fluid DOT 4
Final Drive Oil -
Fuel tank volume 15
Coolant 1,3 L


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

Reading fault-code memories with the BMW Motorrad diagnostic system (F650CS, GS, GS Dakar)
Changing engine oil (engine only) and oil filter element (F650CS, GS, GS Dakar)
Checking coolant level
Greasing rubber grommets for cover insert (F650CS)
Checking clutch play
Checking operation of side-stand switch (F650CS, GS, GS Dakar)
Checking specified torque of threaded fasteners with torque wrench: engine / engine carrier / frame and cylinder head / main frame (F650CS)
Checking specified torque of threaded fasteners with torque wrench: main frame and rear frame (F650CS)
Checking specified torque of threaded fasteners with torque wrench: eccentric clamp (F650CS)
Checking specified torque of threaded fasteners with torque wrench: exhaust system
Checking tyre pressures and tread depth
Checking lights and signalling equipment
Final inspection and function check
Confirming BMW Service in on-board documentation
Checking spoke tension, adjusting if necessary (F650GS, GS Dakar, ST)
Checking chain tension (F650GS, GS Dakar, ST)
Checking specified torque of threaded fasteners with torque wrench: engine / main frame, engine / engine carrier and cylinder head / main frame (F650GS, GS Dakar)
Checking specified torque of threaded fasteners with torque wrench: main frame / rear frame, frame bottom section / main frame and engine carrier / main frame (F650GS, GS Dakar)
Checking specified torque of threaded fasteners with torque wrench: footrest plate / main frame and centre stand / main frame (F650GS)
Checking specified torque of threaded fasteners with torque wrench: footrest plate / main frame and side stand / bottom truss (F650GS Dakar)
Checking specified torque of threaded fasteners with torque wrench: spring strut / angled lever / frame / reaction link (F650GS Dakar)
Changing engine oil with engine at operating temperature, replacing oil-filter element (F650ST)
Cleaning oil filter in oil tank (F650ST)
Checking valve clearance (F650ST)
Checking brake-fluid level, front and rear brakes (F650ST)
Checking steering-head bearing (F650ST)
Checking specified torque of threaded fasteners with torque wrench: engine mounts, frame mounts, swinging-arm pivots & angled lever, footbrake lever, side stand & centre stand, quick-release axles (F650ST)
Checking CO value (F650ST)

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

Reading fault-code memories with the BMW Motorrad diagnostic system (F650CS, GS, GS Dakar)
Changing engine oil (engine and oil tank) and oil filter element
Cleaning oil strainer (without draining/topping up engine oil) (F650CS)
Checking coolant level
Greasing rubber grommets for cover insert (F650CS)
Change coolant in system (every 4 years; F650ST: every 2 years)
Checking valve clearance
Replacing spark plugs (F650CS, GS, GS Dakar)
Draining intake air silencer (F650CS, GS, GS Dakar)
Checking battery acid level
Cleaning and greasing battery terminals
Checking clutch play
Checking front and rear brake fluid level
Checking front and rear brake pads for wear
Checking front and rear brake discs for wear
Changing brake fluid, front and rear brakes (F650CS, GS, GS Dakar)
Checking toothed belt (F650CS)
Checking belt tension (F650CS)
Checking steering head bearing play
Checking operation of side-stand switch (F650CS, GS, GS Dakar)
Lubricating side stand
Checking specified torque of threaded fasteners with torque wrench: engine / engine carrier / frame and cylinder head / main frame (F650CS)
Checking specified torque of threaded fasteners with torque wrench: main frame and rear frame (F650CS)
Checking specified torque of threaded fasteners with torque wrench: eccentric clamp (F650CS)
Checking specified torque of threaded fasteners with torque wrench: exhaust system
Checking tyre pressures and tread depth
Checking lights and signalling equipment
Final inspection and function check
Confirming BMW Service in on-board documentation
Checking spoke tension, adjusting if necessary (F650GS, GS Dakar, ST)
Checking chain, chain sprocket and chain pinion (F650GS, GS Dakar, ST)
Checking chain takeup roller and slider rail (F650GS, GS Dakar)
Checking chain tension (F650GS, GS Dakar, ST)
Lubricating centre stand (F650GS, ST)
Lubricating footbrake lever (F650GS, GS Dakar, ST)
Checking specified torque of threaded fasteners with torque wrench: engine / main frame, engine / engine carrier and cylinder head / main frame (F650GS, GS Dakar)
Checking specified torque of threaded fasteners with torque wrench: main frame / rear frame, frame bottom section / main frame and engine carrier / main frame (F650GS, GS Dakar)
Checking specified torque of threaded fasteners with torque wrench: footrest plate / main frame and centre stand / main frame (F650GS)
Checking specified torque of threaded fasteners with torque wrench: footrest plate / main frame and side stand / bottom truss (F650GS Dakar)
Checking specified torque of threaded fasteners with torque wrench: spring strut / angled lever / frame / reaction link (F650GS Dakar)
Changing brake fluid in entire system (F650ST)
Checking specified torque of threaded fasteners with torque wrench: engine mounts, frame mounts, swinging-arm pivots & angled lever, footbrake lever, side stand & centre stand, quick-release axles (F650ST)
Checking CO value (F650ST)
Checking idle speed (F650ST)

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

Reading fault-code memories with the BMW Motorrad diagnostic system (F650CS, GS, GS Dakar)
Changing engine oil (engine and oil tank) and oil filter element (F650CS, GS, GS Dakar)
Checking coolant level
Greasing rubber grommets for cover insert (F650CS)
Change coolant in system (every 4 years; F650ST: every 2 years)
Checking valve clearance
Draining intake air silencer (F650CS, GS, GS Dakar)
Replacing air filter element (F650CS, GS, GS Dakar)
Replace the fuel filter (every 40.000 km, F650CS, GS, GS Dakar)
Checking battery acid level
Cleaning and greasing battery terminals
Checking clutch play
Checking front and rear brake pads for wear
Checking front and rear brake discs for wear
Checking front and rear brake fluid level
Testing brake system and checking for leaks
Installing repair kit, piston for handbrake fitting (without bleeding) (every 40.000 km, F650CS, GS, GS Dakar)
Installing piston repair kit in footbrake cylinder (without bleeding) (every 40.000 km, F650CS, GS, GS Dakar)
Changing brake fluid, front and rear brakes (every 2 years, F650CS, GS)
Replacing toothed belt with judder damper (every 40.000 km, F650CS)
Checking toothed belt (F650CS)
Checking belt pulley and belt pinion (F650CS)
Checking belt tension (F650CS)
Checking steering head bearing play
Checking operation of side-stand switch (F650CS, GS, GS Dakar)
Lubricating side stand
Checking specified torque of threaded fasteners with torque wrench: engine / engine carrier / frame and cylinder head / main frame (F650CS)
Checking specified torque of threaded fasteners with torque wrench: main frame and rear frame (F650CS)
Checking specified torque of threaded fasteners with torque wrench: eccentric clamp (F650CS)
Checking specified torque of threaded fasteners with torque wrench: exhaust system
Checking tyre pressures and tread depth
Checking lights and signalling equipment
Final inspection and function check
Confirming BMW Service in on-board documentation
Checking spoke tension, adjusting if necessary (F650GS, GS Dakar, ST)
Checking chain, chain sprocket and chain pinion (F650GS, GS Dakar, ST)
Checking chain takeup roller and slider rail (F650GS, GS Dakar)
Checking chain tension (F650GS, GS Dakar, ST)
Lubricating centre stand (F650GS, ST)
Lubricating footbrake lever (F650GS, GS Dakar, ST)
Checking specified torque of threaded fasteners with torque wrench: engine / main frame, engine / engine carrier and cylinder head / main frame (F650GS, GS Dakar)
Checking specified torque of threaded fasteners with torque wrench: main frame / rear frame, frame bottom section / main frame and engine carrier / main frame (F650GS, GS Dakar)
Checking specified torque of threaded fasteners with torque wrench: footrest plate / main frame and centre stand / main frame (F650GS)
Changing oil in telescopic forks (F650GS Dakar, ST)
Checking specified torque of threaded fasteners with torque wrench: footrest plate / main frame and side stand / bottom truss (F650GS Dakar)
Checking specified torque of threaded fasteners with torque wrench: spring strut / angled lever / frame / reaction link (F650GS Dakar)
Changing engine oil with engine at operating temperature, replacing oil-filter element (F650ST)
Cleaning oil filter in oil tank (F650ST)
Changing spark plug (F650ST)
Cleaning or replacing intake air filter (F650ST)
Replacing fuel strainer (F650ST)
Changing brake fluid in entire system (F650ST)
Checking wheel bearings (F650ST)
Checking specified torque of threaded fasteners with torque wrench: engine mounts, frame mounts, swinging-arm pivots & angled lever, footbrake lever, side stand & centre stand, quick-release axles (F650ST)
Checking CO value (F650ST)
Checking idle speed (F650ST)

Maintenance Intervals & Customer Service for BMW F 650, F 650 CS, F 650 GS, F 650 GS Dakar & F 650 ST

 

Welcome to Hornig – your experienced partner for motorcycle accessories, service kits, and spare parts. On this page, you will find all the essential information about maintenance, care, and customer service for the BMW F 650 models in a compact format.

 

Maintenance Plan & Service Intervals for F 650 / F 650 CS / F 650 GS / F 650 GS Dakar / F 650 ST

  • Break-in / Handover Check (approx. 1,000 km) – Initial check of oil level, filter, brakes, electrics, tires, and drivetrain.
  • Regular Service (every 10,000 km or annually) – Change engine oil and oil filter, check and if necessary replace air filter, check valve clearance, inspect brakes and brake fluid, check and lubricate drivetrain (chain or final drive), visual and functional inspection of suspension, tires, electrics, and safety-relevant components.
  • Major Service / Inspection (approx. every 20,000 km or depending on usage) – Check components such as air filter, spark plugs, or valve clearance, inspect cooling system and suspension, review all safety-relevant parts.
  • Long-term and Wear Inspection – Regular checks of tires (air pressure & tread depth), drivetrain, brakes, suspension, lighting/electrics – especially before long tours or after long storage periods.

 

Important Maintenance and Service Tasks

  • Engine oil change including oil filter – fundamental requirement for reliable and durable engine operation.
  • Check drivetrain: chain or final drive (depending on model), clean and lubricate – ensures smooth power transmission and reduces wear.
  • Check and if necessary replace air filter – especially important for frequent city riding or offroad use.
  • Check and replace spark plugs if needed – contributes to stable ignition and optimal engine performance.
  • Regularly inspect brake system: pads, discs/drums, and brake fluid – safety comes first.
  • Check coolant and cooling system – prevents overheating and engine damage.
  • Visual and functional inspections: tires, suspension, lighting, electrics, stands, and safety-relevant components – especially important before tours or after long storage.

 

Practical Tips & Community Experiences from the F 650 Scene

  • Shorten oil change intervals with intensive use: Especially with frequent city riding or short trips – many F 650 riders recommend changing oil and filter every ~5,000–6,000 km to protect engine and transmission.
  • Regularly maintain drivetrain and chain: Check tension, keep clean and lubricate chains or belt drives – for best durability and smooth power delivery.
  • Keep an eye on cooling and water system: Regularly check coolant level, hoses, and water pump – especially with high mileage or intensive use.
  • Check suspension, fastenings, and suspension bearings for offroad or touring: Regularly inspect frame joints, swingarm bearings, wheel/spoke condition, fork seals, and stability – improves safety and machine longevity.
  • Use original or high-quality replacement parts and consumables: Only with appropriate oil, filter, and lubricant specifications will engine, drivetrain, suspension, and brakes remain reliable and safe long-term. This is why Hornig with its range is the right choice.

 

Why Regular Maintenance is So Important for BMW F 650 Models

The BMW F 650 series (F 650, F 650 CS, F 650 GS / Dakar, F 650 ST) offers versatile, reliable motorcycles for everyday use, touring, and occasional offroad excursions. Regular maintenance and care through a structured maintenance plan ensure performance, riding safety, and value retention. With a consistent service schedule and high-quality spare parts and service kits from Hornig, you are perfectly prepared – for long-lasting, worry-free riding enjoyment.

 

This information is provided as a guideline. For binding maintenance intervals and inspection scopes, please consult your BMW owner's manual or seek advice from an authorized specialist workshop.