| 摘要 |
A limited space in a snowmobile is to be utilized effectively by selecting a suitable auxiliary devices layout structure in an internal combustion engine mounted on a snowmobile. An oil tank 3 for dry sump, a water pump Pw and a starter motor are disposed intensively in a front portion E1 in a vehicle advancing direction of an internal combustion engine E which is mounted on a snowmobile 60 at a position close to the front side of a body of the snowmobile. A steering shaft 63a is also disposed so as to pass through the front portion E1 of the internal combustion engine E. According to this layout structure it is possible to effectively utilize a limited space in the snowmobile and a rider riding on a rear portion E2 side of the engine E can approach the engine.
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