These are the known mechanical and performance specifications for your 2020 Yamaha Raptor 90.
ModelYamaha Raptor 90
Displacement89.9 ccm (5.49 cubic inches)
DetailsSingle cylinder, four-stroke
Bore/Stroke47.0 x 51.8 mm (1.9 x 2.0 inches)
Fuel Economy & Polution
Fuel Capacity6.60 litres (1.74 US gallons)
Front SuspensionAdjustable single A-arm
Rear SuspensionAdjustable Single shock
Seat Height750 mm (29.5 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height955 mm (37.6 inches)
Total Length1485 mm (58.5 inches)
Total Width1020 mm (40.2 inches)
Ground Clearance100 mm (3.9 inches)
Wet Weight126.5 kg (278.9 pounds)
Wheels & Brakes
Front BrakesExpanding brake (drum brake)
Front Brake Diameter
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter
It appears you're interested in specifications for the Yamaha Raptor 90. This ATV model is powered by a Single cylinder, four-stroke engine with 89.9 ccm (5.49 cubic inches) of actual displacement before 9.2:1 compression. Fueling is metered via Injection allowing this machine to produce its horsepower and torque. According to our records engine heat of the Yamaha Raptor 90 is moderated by Air. You'll need to get familiar with the transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is 18/7-8 and the rear is 18/9-8 . The entire package is supported by the frame, . We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Expanding brake (drum brake) front brakes and Expanding brake (drum brake) rear brakes. The Yamaha Raptor 90 was launched in 2020, and we're happy to know (or assume) you've got one in your garage. To help you keep your ride in tip-top shape, consider purchasing an owner or service manual.