Patent ID: 6725958
Filing Date: 2004-04-27
Classification: B62M,F01L,F02B

Abstract:
A snowmobile comprising a frame assembly having a longitudinal axis, a steering linkage mounted to the frame assembly, an internal combustion engine mounted generally transversely to the frame assembly, the engine comprising a cylinder bore, a piston reciprocally positioned in said cylinder bore, said piston driving a crankshaft of said engine, said crankshaft being mounted in a crankcase having a vertical transverse center plane, said crankshaft extending along a first axis, said crankshaft being arranged to drive an output shaft, said output shaft being mounted in said crankcase, said output shaft extending along a second axis that is generally parallel to said first axis, said output shaft being arranged to drive the vehicle through a transmission, an auxiliary shaft arranged to drive an oil pump to deliver lubricating oil to at least one component of said engine, said auxiliary shaft extending along a third axis that is generally parallel to said first axis, an oil cooler and an oil filter, wherein said oil pump is located on one side of said transverse center plane, said oil filter and said oil cooler are located on the other side of said transverse center plane, wherein two of said first axis, said second axis, and said third axis are disposed in a common plane and the other of said first axis, said second axis, and said third axis is offset from the common plane.