Engine:
Detailed disassembly, assembly, inspection, and repair of the engine and its components (e.g., cylinder head, pistons, crankshaft, camshafts, valve train).
Fuel System:
Fuel injection system (Bosch Motronic MA 2.4), fuel pump, injectors, throttle body, fuel tank, fuel lines, troubleshooting.
Ignition System:
Ignition coils, spark plugs, ECU control, timing.
Cooling System:
Radiator, coolant pump, thermostat, fan, hoses, coolant specifications, bleeding procedures.
Exhaust System:
Exhaust manifold, catalytic converter, mufflers, lambda sensors.
Transmission:
Clutch system (dry single-plate), gearbox operation, disassembly, assembly, lubrication, troubleshooting.
Chassis And Suspension:
Front forks (USD telescopic), rear monoshock suspension, linkages, bearings, adjustments, fork seal replacement, rear shock absorber service.
Brakes:
Front and rear disc brakes, hydraulic system, brake fluid specifications, bleeding procedures, pad replacement, caliper service, ABS system (if equipped).
Electrical System:
Battery, starter motor, alternator, lighting system (headlight, taillight, indicators), wiring diagrams, fuse box, relays, ECU, diagnostics.
Bodywork And Frame:
Frame inspection, body panels, seat, fuel tank removal/installation, fairings, fairing repairs, plastics repair.
Wheels And Tires:
Wheel bearing inspection, tire replacement, wheel balancing, rim specifications.
Routine Maintenance:
Oil changes, filter replacements, spark plug replacement, chain lubrication and adjustment, brake checks, tire pressure checks.
Troubleshooting:
Diagnostic procedures for common problems, fault codes, symptom-based troubleshooting guides.
Disassembly And Assembly:
Step-by-step instructions for disassembling and reassembling all major components and systems for repair or overhaul.
Torque Specifications:
Detailed torque values for all critical fasteners and components.
Special Tools:
Identification of specialized tools required for specific repair procedures.
Wiring Diagrams:
Comprehensive electrical wiring diagrams with component identification.
Depth:
Comprehensive, covering everything from basic servicing to complete engine and transmission rebuilds. Designed for professional mechanics and experienced DIY enthusiasts.
Engine Type:
Four-stroke, liquid-cooled, single-cylinder
Displacement:
652 cc (39.8 cu in)
Bore X Stroke:
100 mm x 83 mm (3.94 in x 3.27 in)
Compression Ratio:
10.1:1
Valve Train:
DOHC, 4 valves per cylinder, chain-driven
Horsepower:
50 hp (37 kW) @ 7,250 rpm
Torque:
63 Nm (46 lb-ft) @ 5,250 rpm
Fuel Delivery:
Electronic Fuel Injection (Bosch Motronic MA 2.4)
Fuel Type:
Unleaded gasoline, minimum 91 octane (RON+MON)/2
Oil Capacity With Filter:
Approx. 2.5 Liters (2.6 US quarts)
Engine Oil Type:
SAE 15W-50 Synthetic Motorcycle Oil (API SG or higher, JASO MA)
Type:
5-speed manual transmission
Clutch Type:
Dry, single-plate diaphragm spring clutch
Final Drive:
O-ring sealed chain
Gear Ratios:
1st: 2.15, 2nd: 1.57, 3rd: 1.23, 4th: 1.03, 5th: 0.86
Transmission Oil Type:
SAE 75W-90 Synthetic Gear Oil (API GL-4 or GL-5)
Transmission Oil Capacity:
Approx. 0.8 Liters (0.85 US quarts)
Oil Change Interval:
Every 10,000 km (6,000 miles) or annually, whichever comes first.
Air Filter Replacement:
Every 20,000 km (12,000 miles) or as needed based on conditions.
Spark Plug Replacement:
Every 30,000 km (18,000 miles).
Valve Clearance Check:
Every 20,000 km (12,000 miles).
Chain Lubrication And Adjustment:
Every 1,000 km (600 miles) or as needed.
Brake Fluid Type:
DOT 4 brake fluid
Coolant Type:
BMW Advanced Antifreeze (ethylene glycol based, phosphate-free)
Common Wear Item:
Clutch wear due to its dry nature, potential for regulator/rectifier failure (as with many motorcycles of this era), ABS sensor issues if equipped.
Diagnostic Tips:
Manual provides guidance on checking fuel pressure, injector pulse width, and ignition timing for starting and running issues.
Bmw Motorcycle Division:
BMW Motorrad has a long history of producing innovative and durable motorcycles since 1923.
F Series:
The F650 series, including the CS, was BMW's entry into the single-cylinder dual-purpose and sporty single-cylinder market, often utilizing Rotax engines.
F650Cs Design:
The 'CS' designation stands for 'Classic Sport,' indicating its more urban and sporty focus compared to its dual-sport siblings (like the F650GS).
Manufacturing Location:
Primarily manufactured in Berlin, Germany, by BMW Motorrad.
Development Partners:
Rotax (Austria) was instrumental in the development of the engine platform.
