Yamaha Moto-4 Specifications

by Jay Leone; Updated March 16, 2018

The Moto-4 is a four-wheel, all-terrain vehicle (ATV) manufactured by Yamaha. The first four-wheel ATV produced by Yamaha, the Moto-4 was introduced to the public in 1985.


The 1985 model of Yamaha’s Moto-4 is fitted with an engine that offers an 11.9 cubic-inch displacement. The four-stroke engine features one cylinder and a single overhead camshaft. Bore and stroke on the engine is 2.63 by 2.12 inches.


The distance from this vehicle’s rear axle to the middle of its front tire (wheelbase) is 44.3 inches. The ATV offers a 4.7-inch ground clearance. Yamaha’s Moto-4 manufactured in 1985 employs 22x8-10 front tires and 22x11-8 rear tires.

Other Features

A Mikuni carburetor system supplies fuel to the Moto-4 engine, which is married to an automatic transmission offering five forward gears and one reverse. An electric starter puts the engine in motion. The ATV features a snorkel air intake.

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