![]() ![]() This model was sold concurrently with the ATC110, and continued the use of the Horizontal engine with 4-speed, dual-range Auto-Clutch transmission. The newest model, in recognition of the 124cc displacement, was designated the ATC125M. The fourth evolution of the US90 would continue the previous trend of an increase in engine size, but also included the addition of Electric start. Despite fifteen years in the market, the US90 was continually developed and improved, receiving incremental changes yearly, and four significant updates, maintaining its relevance until 1985.Ĥth Generation ATC125M (1984-1985) In 1985, this machine was phased out for the more contemporary 2nd generation Honda ATC125M. The ATC90’s horizontally positioned engine grew to 105cc in 1979, when it was then marketed under the ATC110 designation. This led to Honda developing traditional tire-and-rim designs in 1974, a feature continued on All-Terrain-Vehicles to this day.ģrd Generation ATC110 (1979-1985) For all the benefits, the tires proved to be fragile in rougher terrain, and expensive to replace. Cushioning for the rider was provided by the low-pressure hubless and rimless tires, which also provided a low-impact impression on the environments it traverses. The US90 had been designed without suspension, which would be common place on ATC’s for the first decade. The ATC prefix would be used for all Honda Three-Wheeled-Vehicles until production ceased in 1987, and become a universal epithet for other manufacturers three-wheeled machines.Ģnd Generation ATC90 (1974-1978) The designation was then changed to ATC90. The US90 designation was used until 1973, when Honda successfully trademarked the moniker ‘All Terrain Cycle’. The Initial US90 was offered at $595 in 1970, and featured an 89cc engine producing 7 hp. ![]() Takeuchi considered many variations before settling on a three-wheeled design with low-pressure ballon tires, driven by an enlarged Honda ST70 engine, through a 4 Speed Dual-Range Semi automatic clutched transmission. Development began in 1967, in response to requests from American dealers for products to sell in the motorcycle off-season. ![]() ![]() The Honda US90 was a three-wheeled Recreational vehicle designed by Osamu Takeuchi. Power is sent to the rear wheels through a four-speed semi-automatic transmission with high and low ranges and an enclosed drive chain.Main article: List of Honda three-wheeled all-terrain vehicles The engine was overhauled with a bored cylinder, a replacement piston, and new seals under current ownership. The 89cc four-stroke single was factory rated at 7 horsepower and is equipped with a pull-starter, a Keihin carburetor, and an exhaust system that exits under the rear bodywork. No instrumentation is present, therefore total mileage is unknown. Controls include a thumb throttle and a run switch on the right as well as a brake lever on the left. The bike has a chrome handlebar that can be twisted 90 degrees for transport and storage via the hand-operated lever situated above the top triple clamp. Braking is accomplished with an enclosed drum mounted to the rear axle which is controlled by a foot pedal on the right and a hand lever on the left. The trike wears rimless 22×11.00-3.50″ Ohtsu balloon tires. Equipment includes a 1.3-gallon fuel tank, a black vinyl solo seat, a chrome grab handle, rubber on the leading edge of the rear fenders, two sets of folding foot pegs, a headlight, and a taillight. The bodywork was repainted in red with white stripes and graphics and the frame was repainted black under current ownership. This US90 is offered at no reserve by the selling dealer with a tire pump, a tire gauge, and a Minnesota bill of sale. Shifting is via a four-speed semi-automatic transmission with high and low ranges, and the bike features a pull-starter, a rotating handlebar, a chrome grab bar, an enclosed drive chain, a rear drum brake, folding foot pegs, a headlight and a taillight, and rimless Ohtsu tires. Work included a repaint in red with white, black, and yellow graphics, refinishing the frame, overhauling the 89cc four-stroke single, and re-plating or re-chroming various parts. This 1970 US90 all-terrain cycle was acquired by the selling dealer in 2018, reportedly from its original owner, and was subsequently refurbished in a project that was completed in December 2021. ![]()
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