A snowmobile having improved drive stability of the vehicle body during steering includes a pair of left and right skis on a front side of the vehicle body, a steering shaft disposed on a front of a saddle type seat for steering the skis, an engine mounted in a cowling that covers the front side of
A snowmobile having improved drive stability of the vehicle body during steering includes a pair of left and right skis on a front side of the vehicle body, a steering shaft disposed on a front of a saddle type seat for steering the skis, an engine mounted in a cowling that covers the front side of the vehicle body, and a crawler disposed on a rear side of the vehicle body for driving the snowmobile. The engine is mounted by inclining a cylinder axis thereof forward, and the steering shaft is disposed on the front of a cylinder head of the engine.
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1. A snowmobile comprising: a pair of left and right skis on a front side of a vehicle body,a steering shaft disposed on a front of a saddle seat for steering the skis,an engine mounted in a cowling that covers the front side of the vehicle body,an air box disposed above the cylinder head of the eng
1. A snowmobile comprising: a pair of left and right skis on a front side of a vehicle body,a steering shaft disposed on a front of a saddle seat for steering the skis,an engine mounted in a cowling that covers the front side of the vehicle body,an air box disposed above the cylinder head of the engine,a fuel tank disposed above a crankcase of the engine, anda crawler disposed below the saddle seat in a rear side of the vehicle body for driving the snowmobile,wherein the engine is mounted by inclining a cylinder axis thereof forward so that a cylinder head of the engine is positioned below a horizontal line passing through an upper end of a track housing that covers the crawler, in side view;the steering shaft is disposed on the front of the cylinder head of the engine;an upper end of the steering shaft is disposed on the front of a vertical line passing through an axial center of a crankshaft of the engine, in side view;the fuel tank is disposed on a front side of the saddle seat; andthe air box is disposed on a front side of the fuel tank with a portion of the air box being disposed on a front side of the steering shaft. 2. The snowmobile according to claim 1, wherein a steering handle attached to an upper end of the steering shaft is disposed on the front of a vertical line passing through an axial center of a crankshaft of the engine, in side view. 3. The snowmobile according to claim 1, wherein a headlight is disposed on the front of the cylinder head of the engine, in contraposition to the cylinder head. 4. An engine for a snowmobile, said snowmobile comprising: a pair of left and right skis on a front side of a vehicle body,a steering shaft disposed on a front of a saddle seat for steering the skis,an air box disposed above the cylinder head of the engine,a fuel tank disposed above a crankcase of the engine, anda crawler disposed below the saddle seat in a rear side of the vehicle body for driving the snowmobile,wherein said engine is mounted in a cowling that covers the front side of the vehicle body by inclining a cylinder axis thereof forward so that a cylinder head of the engine is positioned below a horizontal line passing through an upper end of a track housing that covers the crawler, in side view, an oil filter is disposed below an axial center of a crankshaft in side view;an upper end of the steering shaft is disposed on the front of a vertical line passing through an axial center of a crankshaft of the engine, in side view;the fuel tank is disposed on a front side of the saddle seat; andthe air box is disposed on a front side of the fuel tank with a portion of the air box being disposed on a front side of the steering shaft. 5. The engine according to claim 4, wherein an attachment surface of the oil filter is formed by being directed in the lateral direction. 6. The engine for snowmobile according to claim 4, wherein a steering handle attached to an upper end of the steering shaft is disposed on the front of the vertical line passing through an axial center of a crankshaft of the engine, in side view. 7. An engine for a snowmobile, said snowmobile comprising: a pair of left and right skis on a front side of a vehicle body,a steering shaft disposed on a front of a saddle type seat for steering the skis, anda crawler disposed below the saddle seat in a rear side of the vehicle body for driving the snowmobile,wherein said engine is mounted in a cowling that covers the front side of the vehicle body by inclining a cylinder axis thereof forward so that a cylinder head of the engine is positioned below a horizontal line passing through an upper end of a track housing that covers the crawler, in side view;an oil filter is disposed on a side surface of said engine being an opposite side to a side on which a Continuously Variable Transmission of said engine is disposed; andan upper end of the steering shaft is disposed on the front of a vertical line passing through an axial center of a crankshaft of the engine, in side view. 8. An engine for a snowmobile, said snowmobile comprising: a pair of left and right skis on a front side of a vehicle body,a steering shaft disposed on a front of a saddle seat for steering the skis, anda crawler disposed below the saddle seat in a rear side of the vehicle body for driving the snowmobile,wherein said engine is mounted in a cowling that covers the front, side of the vehicle body by inclining a cylinder axis thereof forward so that a cylinder head of the engine is positioned below a horizontal line passing through an upper end of a track housing that covers the crawler, in side view;a magneto device is disposed on a side surface of said engine being an opposite side to a side on which a Continuously Variable Transmission of said engine is disposed;an oil filter is disposed below a magneto cover that covers the magneto device; andan upper end of the steering shaft is disposed on the front of a vertical line passing through an axial center of a crankshaft of the engine, in side view. 9. An engine for a snowmobile, said snowmobile comprising: a pair of left and right skis on a front side of a vehicle body,a steering shaft disposed on a front of a saddle seat for steering the skis, anda crawler disposed below the saddle seat in a rear side of the vehicle body for driving the snowmobile,wherein said engine is mounted in a cowling that covers the front side of the vehicle body by inclining a cylinder axis thereof forward so that a cylinder head of the engine is positioned below a horizontal line passing through an upper end of a track housing that covers the crawler, in side view;a magneto device is disposed on a side surface of said engine being an opposite side to a side on which a Continuously Variable Transmission of said engine is disposed;an oil filter is disposed below a magneto cover that covers the magneto device;an attachment surface of the oil filter is formed by being directed in the lateral direction; andan upper end of the steering shaft is disposed on the front of a vertical line passing through an axial center of a crankshaft of the engine, in side view. 10. An engine for a snowmobile, said snowmobile comprising: a pair of left and right skis on a front side of a vehicle body,a steering shaft disposed on a front of a saddle seat for steering the skis,an air box disposed above the cylinder head of the engine,a fuel tank disposed above a crankcase of the engine, anda crawler disposed below the saddle seat in a rear side of the vehicle body for driving the snowmobile,wherein said engine is mounted in a cowling that covers the front side of the vehicle body by inclining a cylinder axis thereof forward so that a cylinder head of the engine is positioned below a horizontal line passing through an upper end of a track housing that covers the crawler, in side view;a starter motor is disposed on the front of and above an axial center of a crankshaft in side view;an upper end of the steering shaft is disposed on the front of a vertical line passing through an axial center of a crankshaft of the engine, in side view;,the fuel tank is disposed on a front side of the saddle seat; andthe air box is disposed on a front side of the fuel tank with a portion of the air box being disposed on a front side of the steering shaft. 11. The engine for snowmobile according to claim 10, wherein a steering handle attached to an upper end of the steering shaft is disposed on the front of the vertical line passing through an axial center of a crankshaft of the engine, in side view. 12. An engine for a snowmobile, said snowmobile comprising: a pair of left and right skis on a front side of a vehicle body,a steering shaft disposed on a front of a saddle seat for steering the skis,an air box is disposed above a cylinder head of said engine,a fuel tank is disposed above a crankcase of said engine, anda crawler disposed below the saddle seat in a rear side of the vehicle body for driving the snowmobile,wherein said engine is mounted in a cowling that covers the front side of the vehicle body by inclining a cylinder axis thereof forward so that a cylinder head of the engine is positioned below a horizontal line passing through an upper end of a track housing that covers the crawler, in side view;a starter motor is disposed at a position surrounded by the air box, the fuel tank, and said engine; andan upper end of the steering shaft is disposed on the front of a vertical line passing through an axial center of a crankshaft of the engine, in side view. 13. An engine for a snowmobile, said snowmobile comprising: a pair of left and right skis on a front side of a vehicle body,a steering shaft disposed on a front of a saddle seat for steering the skis, anda crawler disposed below the saddle seat in a rear side of the vehicle body for driving the snowmobile,wherein said engine is mounted in a cowling that covers the front side of the vehicle body by inclining a cylinder axis thereof forward so that a cylinder head of the engine is positioned below a horizontal line passing through an upper end of a track housing that covers the crawler, in side view;a starter motor is disposed on the front of and above an axial center of a crankshaft in side view;a fuel tank is disposed above said engine, a recessed portion is formed on the fuel tank, and mounting bosses for fixing the starter motor are formed by being directed to the recessed portion; andan upper end of the steering shaft is disposed on the front of a vertical line passing through an axial center of a crankshaft of the engine, in side view. 14. An engine for a snowmobile, said snowmobile comprising: a pair of left and right skis on a front side of a vehicle body,a steering shaft disposed on a front of a saddle seat for steering the skis,an air box is disposed above a cylinder head of said engine,a fuel tank is disposed above a crankcase of said engine, anda crawler disposed below the saddle seat in a rear side of the vehicle body for driving the snowmobile,wherein said engine is mounted in a cowling that covers the front side of the vehicle body by inclining a cylinder axis thereof forward so that a cylinder head of the engine is positioned below a horizontal line passing through an upper end of a track housing that covers the crawler, in side view;a starter motor is disposed at a position surrounded by the air box, the fuel tank, and said engine;a recessed portion is formed on the fuel tank, and mounting bosses for fixing the starter motor are formed by being directed to the recessed portion; andan upper end of the steering shaft is disposed on the front of a vertical line passing through an axial center of a crankshaft of the engine, in side view. 15. An engine for a snowmobile, said snowmobile comprising: a pair of left and right skis on a front side of a vehicle body,a steering shaft disposed on a front of a saddle seat for steering the skis, anda crawler disposed below the saddle seat in a rear side of the vehicle body for driving the snowmobile,wherein said engine is mounted in a cowling that covers the front side of the vehicle body by inclining a cylinder axis thereof forward so that a cylinder head of the engine is positioned below a horizontal line passing through an upper end of a track housing that covers the crawler, in side view; a starter motor is disposed at a position not protruding upward from a virtual plane connecting an upper end portion of the crankcase of said engine and an upper end portion of the cylinder head of said engine; and an upper end of the steering shaft is disposed on the front of a vertical line passing through an axial center of a crankshaft of the engine, in side view.
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