Positioned in Yamaha's atv motorcycle lineup, the 2023 Yamaha Raptor 90 utilizes a 89.9 cc (5.5 cu in) air-cooled single cylinder, four-stroke layout. Internal engine geometry specifies a bore and stroke of 47.0 x 51.8 mm (1.9 x 2.0 inches) with a 9.2:1 compression ratio.
On the scales, the Raptor 90 measures 126.5 kg (279 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 750 mm (29.5 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops. The 6.6-liter (1.7 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Yamaha archive, this model family spans 11 indexed model years from 2009 to 2023, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Standover Height
750 mm (29.5 in)
Engine
Displacement89.9 ccm (5.49 cubic inches)
Engine TypeSingle cylinder, four-stroke
Compression9.2:1
Bore x Stroke47.0 x 51.8 mm (1.9 x 2.0 inches)
Valves/Cylinder2
Fuel SystemCarburettor
Fuel ControlSingle Overhead Cams (SOHC)
IgnitionCDI
LubricationWet sump
CoolingAir
Transmission
GearboxAutomatic
Final DriveChain (final drive)
DrivelineCVT; F, N, R
Chassis
Front SuspensionSingle A-arm;
Front Travel127 mm (5.0 inches)
Rear SuspensionMonoshock swingarm
Rear Travel145 mm (5.7 inches)
Wheels & Brakes
Front Tyre18/7-8
Rear Tyre18/9-8
Front BrakesExpanding brake (drum brake). Dual
Rear BrakesExpanding brake (drum brake)
Dimensions & Weight
Weight incl.126.5 kg (278.9 pounds)
Seat Height750 mm (29.5 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.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
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.
