At the heart of the 2020 Sinnis Matrix 3i scooter motorcycle, Sinnis pairs a 125 cc (7.6 cu in) air-cooled single cylinder, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 8.3 HP (6.1 kW) at 7,500 rpm, transferring power to the rear wheel through a automatic gearbox and belt final drive. With a specific output of 66.4 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.
On the scales, the Matrix 3i measures 119 kg (262 lbs) dry, translating to a power-to-weight ratio of 0.07 HP/kg (14.34 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 1,385 mm (54.5 in) wheelbase engineered for quick, flickable steering geometry. The 6.5-liter (1.7 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Sinnis archive, this model family spans 2 indexed model years from 2020 to 2021, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
66.4 HP/L
Power-to-Weight
0.07 HP/kg (14.34 kg/HP)
Standover Height
800 mm (31.5 in)
Engine
Displacement125.0 ccm (7.63 cubic inches)
Engine TypeSingle cylinder, four-stroke
Power8.3 HP (6.1 kW)) @ 7500 RPM
Fuel SystemInjection
CoolingAir
Transmission
GearboxAutomatic
Final DriveBelt (final drive)
Chassis
Front SuspensionTelescopic Forks
Rear SuspensionTwin Coil Spring
Wheelbase1385 mm (54.5 inches)
Wheels & Brakes
Front Tyre130/60-13
Rear Tyre130/60-13
Front BrakesSingle disc. Hydraulic.
Rear BrakesSingle disc. Hydraulic.
WheelsFront Tyre
Dimensions & Weight
Dry Weight119.0 kg (262.4 pounds)
Power/Weight0.0698 HP/kg
Seat Height800 mm (31.5 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.
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.
