In 1971, Massey Ferguson produced multiple Ski Whiz snowmobile models, including the 500 SST, the 400 SST, the 350 SS and the 300 S. All of these snowmobiles used JLO-type engines. Like most recreational vehicles, the name of the snowmobile hinted at the size and displacement of the engine. Today, Massey Ferguson specializes in tractors and agricultural equipment.
Ski Whiz 500 SST
Massey Feruson's Ski Whiz 500 SST used a JLO engine. The engine featured a dual-cylinder design and had a piston displacement that measured 399 cc. In optimum conditions, the top speed of the engine was 55 mph. Top power output for the engine was 28.3 horsepower. The engine was paired with a large 5.5-gallon fuel tank. The starter system featured a standard recoil design, but an electric starter was an option.
Ski Whiz 400 SST
The 400 SST was another Ski Whiz variant produced by Massey Ferguson. The 400 SST sported a JLO engine that produced 340 cc of piston displacement. The engine also featured a dual-cylinder design that had a top speed of 51 mph in optimum conditions. At 5,500 rpm, the engine produced a max power output of 24 horsepower. Similar to the 500 SST, the standard starter system used a recoil design, but an electric starter was an option. A 5.5-gallon fuel tank was also used.
Ski Whiz 350 SS
A smaller Ski Whiz was also available in 1971: the 350 SS. This snowmobile featured a JLO engine that produced 336 cc of piston displacement. The maximum power output was 22 horsepower at 5,500 rpm. Top speed for the 350 SS measured 48 mph in optimum conditions. The standard starter was recoil, but electric was available. Massey Ferguson used a smaller 3.5-gallon fuel tank with the 350 SS.
Ski Whiz 300 S
In 1971, the smallest Ski Whiz Massey Ferguson produced was the 300 S. It used a JLO engine that had a piston displacement of 292 cc. The engine also sported an 18.5-horsepower power rating, and the top speed for the snowmobile was 45 mph in optimum conditions. The only available starter system for the 300 S used a recoil design. The fuel tank held a total of 3.5 gallons.
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