Patent ID: 6702054
Filing Date: 2004-03-09
Classification: B62M

Abstract:
A motorcycle comprising:two wheels; a frame supported by the two wheels; an engine supported by the frame, the engine including two cylinders; and a cooling system coupled to the engine for cooling the engine, the cooling system including: a radiator; a first water jacket in one of the two cylinders and including an outlet; a second water jacket in the other of the two cylinders and including an outlet; a pump for circulating coolant through the water jackets; a return line providing fluid communication between the water jacket outlets and the radiator; and a thermostat housing assembly connected between the water jacket outlets and the return line, the thermostat housing assembly including: a body portion defining a cavity; first and second inlet ports communicating with the cavity, the first inlet port having an end connected to the first water jacket outlet and the second inlet port having and end connected to the second water jacket outlet, wherein the first and second inlet ports each include a longitudinal axis extending in a first direction, such that the longitudinal axes are substantially parallel to each other; a return port communicating with the cavity and having an end coupled to the return line; and a thermally-responsive valve in the cavity for selectively preventing and allowing coolant from flowing through the return port into the return line.