Positioned in Serpento's enduro - offroad motorcycle lineup, the 2023 Serpento Defender RR 150 features a 149.6 cc (9.1 cu in) air-cooled single cylinder, four-stroke configuration. In factory specification, peak output is rated at 11.4 HP (8.3 kW) at 8,500 rpm while maximum torque reaches 10 Nm (7.4 lb-ft) at 7,500 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 76.2 HP per liter and a 1,000 rpm working window between peak torque (7,500 rpm) and peak power (8,500 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 Defender RR 150 measures 105 kg (231 lbs) dry, translating to a power-to-weight ratio of 0.11 HP/kg (9.21 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. The 5.5-liter (1.5 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Specific Output
76.2 HP/L
Power-to-Weight
0.11 HP/kg (9.21 kg/HP)
Power Band Window
7,500–8,500 rpm
Standover Height
820 mm (32.3 in)
Engine
Displacement149.6 ccm (9.13 cubic inches)
Engine TypeSingle cylinder, four-stroke
Power11.4 HP (8.3 kW)) @ 8500 RPM
Torque10.0 Nm (1.0 kgf-m or 7.4 ft.lbs) @ 7500 RPM
CoolingAir
Transmission
Gearbox5-speed
Final DriveChain (final drive)
ClutchWet multi-plate
Chassis
Front SuspensionTelescopic fork
Rear SuspensionMonoshock
Wheels & Brakes
Front Tyre80/100-19
Rear Tyre100/90-19
Front BrakesSingle disc
Rear BrakesSingle disc
Dimensions & Weight
Dry Weight105.0 kg (231.5 pounds)
Power/Weight0.1086 HP/kg
Seat Height820 mm (32.3 inches) If adjustable, lowest setting.
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.
