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MotoLibrary Score
50/100Balanced
Power/Weight
0.25 hp/kg
Top Speed
180 km/h
Torque
63 Nm
Engine
647 ccm
Technical Overview
2018 BMW C 650 Sport Highline LS Technical Analysis & Specification Breakdown
Engineered by BMW for the scooter motorcycle segment, the 2018 BMW C 650 Sport Highline LS features a 647 cc (39.5 cu in) liquid-cooled twin, four-stroke configuration. In factory specification, peak output is rated at 60 HP (43.8 kW) at 7,500 rpm while maximum torque reaches 63 Nm (46.5 lb-ft) at 6,000 rpm, transferring power to the rear wheel through a automatic gearbox and chain final drive. With a specific output of 92.7 HP per liter and a 1,500 rpm working window between peak torque (6,000 rpm) and peak power (7,500 rpm), the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.
On the scales, the C 650 Sport Highline LS measures 249 kg (549 lbs) wet (curb), translating to a power-to-weight ratio of 0.24 HP/kg (4.15 kg per horsepower). Rider ergonomics and chassis geometry center around a 800 mm (31.5 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance, combined with a 1,591 mm (62.6 in) wheelbase engineered for planted straight-line stability. The 15.9-liter (4.2 US gal) fuel tank paired with a rated consumption of 4.4 L/100 km provides an estimated theoretical range of roughly 361 km (224 miles) between fill-ups, while factory top speed is listed at 180 km/h (112 mph).
Specific Output
92.7 HP/L
Power-to-Weight
0.24 HP/kg (4.15 kg/HP)
Power Band Window
6,000–7,500 rpm
Theoretical Range
~361 km (224 mi)
Engine
Displacement647.0 ccm (39.48 cubic inches)
Engine TypeTwin, four-stroke
Power60.0 HP (43.8 kW)) @ 7500 RPM
Torque63.0 Nm (6.4 kgf-m or 46.5 ft.lbs) @ 6000 RPM
Compression11.6:1
Bore x Stroke79.0 x 66.0 mm (3.1 x 2.6 inches)
Valves/Cylinder4
Fuel SystemInjection
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
IgnitionBMS-E digital engine management
CoolingLiquid
Transmission
GearboxAutomatic
Final DriveChain (final drive)
ClutchRadial centrifugal clutch
DrivelineChain drive in oil bath
Performance
Top Speed180.0 km/h (111.8 mph)
Fuel Consumption4.40 litres/100 km (22.7 km/l or 53.46 mpg)
Greenhouse Gases102.1 CO2 g/km. (CO2 - Carbon dioxide emission)
Emission DetailsClosed-loop 3-way catalytic converter, emission standard EU-4
Chassis
Frame TypeSteel tube construction with aluminum die cast unit
Rake25.4°
Trail91 mm (3.6 inches)
Front SuspensionUpside-down fork, 40 mm
Front Travel115 mm (4.5 inches)
Rear SuspensionSingle-sided swing arm
Rear Travel115 mm (4.5 inches)
Wheelbase1591 mm (62.6 inches)
Wheels & Brakes
Front Tyre120/70-ZR15
Rear Tyre160/60-ZR15
Front BrakesSingle disc. Floating discs. Two-piston calipers. ABS.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
