Segment:
Lightweight, versatile naked motorcycle with a focus on urban usability and sporty handling.
Target Audience:
Commuters, new riders, riders seeking an accessible and fun-to-ride BMW.
Competitors:
Ducati Monster series, Triumph Bonneville series, Yamaha MT-03, Kawasaki ER-6n.
Design Philosophy:
BMW's characteristic blend of engineering, quality, and functional design, adapted for a lighter, more accessible platform.
Unique Selling Points:
Belt drive for low maintenance, optional ABS, distinctive styling, BMW build quality.
Engine Mechanical:
Complete engine disassembly, assembly, inspection, torque specifications, timing chain, valve clearances, piston and cylinder diagnostics.
Fuel System:
Fuel injection system (throttle body, injectors, fuel pump, pressure regulator), fuel tank, fuel lines, evaporative emissions control (EVAP).
Ignition System:
Ignition coils, spark plugs, engine control unit (ECU) ignition timing, troubleshooting ignition faults.
Cooling System:
Radiator, water pump, thermostat, coolant hoses, fan operation, bleeding the cooling system.
Exhaust System:
Exhaust manifold, catalytic converter, mufflers, O2 sensors, emissions control components.
Transmission Drivetrain:
Gearbox, clutch assembly, final drive (chain and sprocket), lubrication, inspection and adjustment.
Brakes System:
Hydraulic system, brake fluid type and bleeding procedures, brake discs, pads, calipers, ABS system (if equipped), troubleshooting.
Suspension Steering:
Front telescopic forks, rear monoshock, swingarm, steering head bearings, wheel alignment, fork oil type and level, shock absorber adjustments.
Electrical System:
Battery, charging system (alternator, regulator/rectifier), starter motor, lighting (headlight, taillight, indicators), horn, wiring diagrams, fuse and relay locations, diagnostics.
Bodywork Frame:
Frame inspection, body panels, seat, fuel tank, fairings, fenders, mounting hardware, repair procedures.
Instrumentation Controls:
Instrument cluster, switches, controls, cables, operation and troubleshooting.
Routine Maintenance:
Oil changes, filter replacements, chain adjustment, spark plug replacement, air filter cleaning/replacement, brake fluid flush, coolant checks.
Troubleshooting:
Diagnostic flowcharts for common problems (e.g., no-start, poor performance, electrical faults), symptom-based diagnosis.
Major Repairs:
Engine rebuilds, gearbox repairs, suspension overhauls, electrical system diagnostics and repairs.
Component Disassembly Assembly:
Step-by-step instructions for removing, inspecting, and reinstalling all major components.
Technical Specifications:
Detailed torque values, clearances, fluid capacities, electrical resistance readings, and performance data.
Depth:
Comprehensive, suitable for professional technicians and advanced DIY enthusiasts. Covers everything from basic maintenance to complete engine and chassis overhauls.
Engine Type:
Single-cylinder, four-stroke
Displacement:
652 cc (cubic centimeters)
Bore X Stroke:
100 mm x 83 mm
Compression Ratio:
11.0:1
Valve Train:
DOHC, 4 valves per cylinder
Fuel Delivery:
Fuel Injection (Bosch Motronic MA 2.4)
Horsepower:
50 hp (37 kW) at 7,000 rpm
Torque:
6.2 kgm (61 Nm / 45 lb-ft) at 5,250 rpm
Fuel Type:
Unleaded gasoline, minimum 91 octane (RON)
Fuel Tank Capacity:
15 liters (3.96 US gallons)
Oil Type:
SAE 15W-50, API SG or JASO MA
Oil Capacity With Filter:
Approximately 3.3 liters
Oil Change Interval:
Every 10,000 km or annually, whichever comes first.
Spark Plug Replacement:
Every 20,000 km.
Valve Clearance Check:
Every 20,000 km.
Belt Tension Check:
Every 10,000 km.
Coolant:
BMW Motorrad Coolant (or equivalent ethylene glycol based coolant with corrosion inhibitors)
Fork Oil:
SAE 15W (or specified alternative in manual)
Common Wear Items:
Clutch plates, regulator/rectifier, battery, belt drive components, fork seals.
Potential Electrical Faults:
Issues with the regulator/rectifier can lead to charging problems.
Typical Fixes:
Regular maintenance of the belt drive, checking electrical connections, and proper battery maintenance are crucial.