Knobbe, Martens, Olson & Bear LLP
Snowmobile exhaust system
A snowmobile has a frame construction that defines a recess above a drive unit. The recess is formed by a horizontal member and a pair of vertical members. A portion of the exhaust system extends within the recess at a location above the drive unit. An exhaust system cooling passage is provided to reduce temperature rise of the exhaust system.
Yamaha Hatsudoki Kabushiki Kaisha
B
B62M
inventional
Shinichi Takuji
Nishijima Nakano