At the heart of the 2021 Arctic Cat Alterra 90 atv motorcycle, Arctic Cat pairs a 90 cc (5.5 cu in) air-cooled single cylinder, four-stroke architecture with road-focused gearing. Internal engine geometry specifies a bore and stroke of 47.0 x 51.8 mm (1.9 x 2.0 inches).
On the scales, the Alterra 90 measures 117.9 kg (260 lbs) dry. Rider ergonomics and chassis geometry center around a 975 mm (38.4 in) wheelbase engineered for quick, flickable steering geometry. The 5.7-liter (1.5 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 24 km/h (15 mph).
Within MotoLibrary's Arctic Cat archive, this model family spans 4 indexed model years from 2016 to 2023, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Engine
Displacement90.0 ccm (5.49 cubic inches)
Engine TypeSingle cylinder, four-stroke
Bore x Stroke47.0 x 51.8 mm (1.9 x 2.0 inches)
Valves/Cylinder2
Fuel SystemCarburettor
Fuel ControlSingle Overhead Cams (SOHC)
CoolingAir
Transmission
GearboxAutomatic
Final DriveBelt (final drive)
Driveline2 WD. Automatic CVT with Forward, Neutral and Reverse.
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.
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.
