Sinnis Matrix 3I - 2021 Specifications and Reviews

The 2021 Sinnis Matrix 3i is a practical 125cc automatic scooter ideal for commuters and new riders seeking affordable urban mobility. Powered by a fuel-injected single-cylinder four-stroke engine producing 8.3 horsepower, it delivers reliable everyday performance with low maintenance requirements. Known for its accessible riding position and efficient belt-drive transmission, this scooter excels as a budget-friendly city transport solution.

2021
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General information

CategoryScooter
Year2021
ModelSinnis Matrix 3i
 
 

Engine and Transmission Specifications

Transmission typeBelt   (final drive)
GearboxAutomatic
Cooling systemAir
Fuel systemInjection. EFI
Power8.3 HP (6.1 kW) @ 7500 RPM
Engine typeSingle cylinder, four-stroke
Capacity:125.0 ccm (7.63 cubic inches)

Brakes, suspension, Frame and wheels

WheelsFront Tyre
Rear brakesSingle disc. Hydraulic.
Front brakesSingle disc. Hydraulic.
Rear tire130/60-13
Front tire130/60-13
Rear SuspensionTwin Coil Spring
Front SuspensionTelescopic Forks
 
 

Physical measures and capacities

Fuel capacity6.50 litres (1.72 US gallons)
Wheelbase1370 mm (53.9 inches)
Overall width865 mm (34.1 inches)
Overall length2090 mm (82.3 inches)
Overall height1280 mm (50.4 inches)
Seat height710 mm (28.0 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc135.0 kg (297.6 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
StarterElectric
Color optionsUltra Blue, Stealth Grey

Performance Profile & Rider Fit

8.3 hp
Peak Power

Best For

Track5%
City90%
Cornering40%
Daily Riding85%
Touring20%
Passenger35%

Rider Profile

Best ForIdeal for new or learner riders, including those on a moped or restricted licence, who want simple and unintimidating transport.
PurposeBuilt purely for short urban hops, commuting, and running errands around town rather than any performance or distance riding.
Rider FitThe low seat height and light 135 kg weight make it very easy and unintimidating for shorter or less experienced riders to manage.
CharacterA practical, no-nonsense automatic scooter that prioritises easy handling and low running costs over excitement.
Not Ideal ForNot suitable for riders wanting highway speeds, long-distance touring, off-road use, or carrying a passenger over any real distance.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2021 Sinnis Matrix 3I Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 710mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2021 Sinnis Matrix 3I, with a moderate knee angle of around 95 degrees and a slightly forward riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2021 Sinnis Matrix 3i motorcycle is a sleek and stylish option for riders looking for a reliable and affordable option. With its 3i engine, this motorcycle offers smooth and powerful performance, making it great for city commutes or weekend rides. The Matrix 3i also comes with a comfortable seat and ergonomic design, ensuring a comfortable riding experience for the rider. Additionally, its compact size and nimble handling make it easy to maneuver in traffic or tight spaces. Overall, the 2021 Sinnis Matrix 3i is a great choice for riders looking for a practical and efficient urban motorcycle. In conclusion, the 2021 Sinnis Matrix 3i motorcycle is a fantastic option for riders who are looking for a dependable and budget-friendly ride. Its powerful 3i engine, comfortable design, and nimble handling make it a great choice for urban commuting and weekend adventures. This motorcycle is a great value for the price and is sure to provide riders with a fantastic riding experience. With its sleek design and reliable performance, the 2021 Sinnis Matrix 3i is a top choice for riders in the market for a new motorcycle.
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