snowmobile engine
The Technology Of A Snowmobile Engine If you study and look at the history of a snowmobile engine, it has improved in many ways. I feel they have improved in two major ways. Number one being in performance, and number two they're more environmentally safe. In order for you to understand how this has happened, I will explain to you the engine of a snowmobile. A snowmobile engine is called a 2-cycle engine. This means unlike a 4-cycle which you would find in a car, 2-cycle engines fire every time the piston reaches ( top dead center ) T.D.C. Now if you look at a 4-cycle, or car engine it only fires every other time the piston reaches T.D.C. This advanta
One is fuel injection so only the right amount of fuel is let in to the engine. Unfortunately over the years people discovered a problem. Now if you take 600cc and convert it to cubic inches you get 36. Environmentalist thought if the piston fired every time it reached T. ge gives snowmobiles a great power to weight ratio. , it had to be releasing gas and oil through the exhaust and into our atmosphere. This works by a slide or valve, that varies the shape of the port for true tuned exhaust. Further more we can compare that to a car and see the advantage. This helps burn all the fuel and gets the exhaust out the most efficient way. They started producing machines with variable timing, and variable exhaust. If you stop and take a look at a twin 600cc two cycle, it produces about 110 horsepower. So for performance machines they went back to carburetors, but cleaned the engines up two different ways. This posed a problem for the snowmobile industry.
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