This mid performance snowmobile, 2012 Yamaha RS Vector still has the same 4-stroke engine with advanced fuel injection system to control fuel flow, engine braking reduction system and direct-to-crankshaft clutching. New for 2012 Vector snowmobile is the Oil Pressure Sensing System which monitors the oil pressure while riding. If it drops, the ignition and fuel supply are controlled to limit the engine RPM and reduce the load. If necessary the system will stop the engine.
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