Browse Publications Technical Papers 2003-32-0082
2003-09-15

Low-Pressure In-Cylinder Fuel Injection 2003-32-0082

The Idaho State University design team, competing in the 2003 Clean Snowmobile Challenge Collegiate Design Competition, has developed a strategy to reduce the amount of harmful emissions common to two-stroke snowmobiles. The team designed a Low Pressure In-Cylinder Fuel Injection system to reduce the amount of fuel being short-circuited through the exhaust system. The system was installed on a 500cc Polaris two-stroke engine in a 2000 Polaris RMK chassis.
Noise emissions were addressed by designing a muffler capable of dissipating more energy by way of damping materials and frequency attenuating techniques. Damping materials were added to the engine compartment and unnecessary vent holes were removed to reduce engine noise emitted.

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