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MotoLibrary Score
57/100Balanced
Power/Weight
0.55 hp/kg
Torque
87 Nm
Engine
997 ccm
Technical Overview
2023 Brough Superior SS100 Karslake Technical Analysis & Specification Breakdown
Built around Brough Superior's sport motorcycle platform, the 2023 Brough Superior SS100 Karslake relies on a 997 cc (60.8 cu in) liquid-cooled v2, four-stroke powerplant. In factory specification, peak output is rated at 102 HP (74.5 kW) at 9,600 rpm while maximum torque reaches 87 Nm (64.2 lb-ft) at 7,300 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 102.3 HP per liter and a 2,300 rpm working window between peak torque (7,300 rpm) and peak power (9,600 rpm), the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.
On the scales, the SS100 Karslake measures 186 kg (410 lbs) dry, translating to a power-to-weight ratio of 0.55 HP/kg (1.82 kg per horsepower). Rider ergonomics and chassis geometry center around a 820 mm (32.3 in) seat height — resulting in a taller command-style riding posture suited to medium-to-tall inseams, combined with a 1,540 mm (60.6 in) wheelbase engineered for planted straight-line stability.
Specific Output
102.3 HP/L
Power-to-Weight
0.55 HP/kg (1.82 kg/HP)
Power Band Window
7,300–9,600 rpm
Standover Height
820 mm (32.3 in)
Engine
Displacement997.0 ccm (60.84 cubic inches)
Engine TypeV2, four-stroke
Engine Details88° V-twin
Power102.0 HP (74.5 kW)) @ 9600 RPM
Torque87.0 Nm (8.9 kgf-m or 64.2 ft.lbs) @ 7300 RPM
Compression11.0:1
Bore x Stroke94.0 x 71.8 mm (3.7 x 2.8 inches)
Valves/Cylinder4
Fuel SystemInjection. Synerject ECU and 2 x 50 mm Synerject throttle bodies, each with a single injector
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
IgnitionECU
CoolingLiquid
Transmission
Gearbox6-speed
Final DriveChain (final drive)
ClutchMultiplate oil-bath clutch with hydraulic operation
Performance
Emission DetailsEuro 4
Chassis
Frame TypeMachined titanium frame with fabricated titanium subframe
Rake23.4°
Trail94 mm (3.7 inches)
Front SuspensionFior-type cast aluminium wishbone fork with twin articulated titanium triangular links, and monoshock adjustable for preload and rebound damping
Front Travel120 mm (4.7 inches)
Rear SuspensionCast aluminium swingarm pivoting in engine crankcases, with monoshock adjustable for preload and rebound damping and progressive rate link
Rear Travel130 mm (5.1 inches)
Wheelbase1540 mm (60.6 inches)
Wheels & Brakes
Front Tyre120/70-18
Rear Tyre160/60-18
Front BrakesDouble disc. Beringer Stainless Steel discs with 2 x four-piston Beringer radial calipers
Front Brake Ø230 mm (9.1 inches)
Rear BrakesSingle disc. Beringer Stainless Steel disc with 1 x two-piston Beringer radial caliper
Rear Brake Ø230 mm (9.1 inches)
Wheels18 spokes machined aluminum
Dimensions & Weight
Dry Weight186.0 kg (410.1 pounds)
Power/Weight0.5484 HP/kg
Seat Height820 mm (32.3 inches) If adjustable, lowest setting.
Overall Height1108 mm (43.6 inches)
Overall Length2180 mm (85.8 inches)
Overall Width760 mm (29.9 inches)
Other
StarterElectric
Color OptionsBlue/silver/black
LightLED lights
Notes
Each motorcycle is made to order. There is a choice of three finishes and a number of options including optional wheels, handle bars, footrests and seats.
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.
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.
