Yamaha 225 3-Wheeler Specs

by Brianna Collins
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With a motorcycle and motor history dating back to the 1950s, Yamaha had been producing street-legal bikes for decades when it released the Yamaha 224 Tri-Moto in 1984. Though no longer manufactured, this bike had three rugged wheels and retailed for about $1,799 in 1984.


The 1984 Yamaha 225 Tri-Moto came equipped with a four-stroke, air-cooled engine with a displacement of 223 cc, a bore and stroke of 2.76 inches by 2.28 inches, and a compression ratio of 8.8-to-one. It had a max torque of 12.2 feet-pounds at 5,500 rpm. It also featured a five-speed automatic transmission, a Mikuni VM24 carburetor, and an electric starting system with recoil backup.

Suspension, Brakes and Wheels

Drum brakes came standard on the front of the 1984 225, with enclosed disk brakes in the rear. The bike also featured a telescopic fork front suspension and a mono shock rear suspension system. The front wheel and rear wheels were all 22 by 11 by 8 inches in size.


With a length of 71.1 inches and a width of 40.2 inches, the Yamaha 225 had a dry weight of 317 lbs. It also had a height of 28.3 inches, a ground clearance of 8.1 inches, and a wheelbase of 45.3 inches. The gas tank could hold 2.38 gallons of fuel and the oil tank could hold 1.6 quarts.

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