1976 SKI-DOO OLYMPIC

In 1976 The Olympic Ski-Doo featured a longer slide suspension with a fully adjustable ride control.  It has a front mounted Rotax engine for better control and stability. It has a separate fuel pump to resist vapor locks and a new wider drive belt for a much longer life span.

1974 RUPP NITRO II

The 1974 Rupp Nitro II was a completely re-vamped snowmobile in comparison to the earlier models.
It featured a 340cc or 440cc Kohler air cooled engine which was placed forward within the body for more stability.  It has twin Mikuni slider carburetors and CD ignition.
The Nitro II suspension is improved Rupp Rails with adjustable aluminum sliders combined with internal drive track for more positive traction and quieter operation than any previous slider system.  Rupp named the Nitro II the ultimate snow machine in its day..

1974 BOA-SKI SS

In 1974, several well-engineered new snowmobiles were introduced under the Boa-Ski brand by Alsport.  These SS models in 340 and 440cc sizes offered many features we take for granted today but were breakthroughs for their time. The SS series boasted Kohler engines with CDI, ski shocks, aluminum slide rails, hydraulic disc brakes and a floating driven clutch.

SKI-DOO''S 1975 STOCK RACER

November, 1974 - Ski-Doo introduced an all new T'NT Free Air model snowmobile, the 245RV, designed purely as A racing machine. The new model 250-class stock racing sled bears styling and design offshoots of the companies past Blizzard racing machines, including the 1974 experimental SnoPro Blizzards.
The 245RV is powered by a 245.3cc Bombardier-Rotax rotary valve engine, and includes a high performance, tuned, double wall, isolated exhaust system developed by Bombardier.  It also included several other performance features within the sled itself.

1988 POLARIS LONG TRACK

The 1988 Polaris LongTrak has a 432cc fan cooled engine which delivered 18% more power to it's hi-low range transmission.
It came with a reverse allowing it to manuever under all conditions.

1971 RUPP 440WT

The 1971 Rupp 440 Wide Track pictured here was produced and sold during one of Rupp Industries banner years.  It came with a 440 Rupp "Tohatsu" engine and a 18 inch track with a bogie suspension and disc brakes.

1975 MERCURY SNOWMOBILES

1981 POLARIS GEMINI

VINTAGE SNOCROSS

The 3rd annual vintage snocross race, sponsored and hosted by PowerHouse Motorsports, attracted dozens of racers who showed up with a wide variety of vintage snowmobiles to compete on.
The race was held on Skyline Ridge high above Fairview, UT,  the vintage snocross racers battled the elements-a fairly big snowstorm lashed the area all day-and each other. Although the snow dust never really settled, thanks to brisk winds and steady snowfall, which helped the racers.
In The Snowball Express class, there were teams of two racers, both sharing and riding the same vintage sled.  After each lap, the driver/rider had to switch places at the start/finish line.

1985 SKI-DOO FORMULA SP - SE