Patent ID: 8061467
Filing Date: 2011-11-22
Classification: B62K

Abstract:
1. An engine arrangement structure of a saddle-ride type vehicle comprising: a body frame for suspending an engine; a steering system member supported by the body frame and having a handlebar and a steering shaft; the engine includes a crankcase and a cylinder part mounted upwardly from the crankcase; a crankshaft extending in a front-rear direction of a vehicle body is provided in the crankcase; an alternating current generator operatively connected at one end of the crankshaft; a torque converter of a power transmission system operatively connected at the other end thereof, the alternating current generator and the power transmission system member are overhung ahead of and behind the engine relative to the engine cylinder part, respectively; a width by which the torque converter is overhung is larger than that by which the alternating current generator is overhung; and a seat located behind the engine cylinder part and mounted on the body frame; wherein the alternating current generator of the engine is arranged so as to be directed to the front of the vehicle body and the torque converter is arranged so as to be directed to the rear of the vehicle body, and further comprising: an oil tank for preserving engine oil arranged directly above the torque converter behind the engine on the rear side of the vehicle body, and a battery arranged directly above the oil tank and under a seat mounted on the body frame, wherein the engine is located between front wheels and rear wheels suspended by the body frame, and is provided nearer the front wheels, wherein the engine is a two cylinder engine and both cylinders slant toward a lateral side of the vehicle body which is opposite to the lateral side where the exhaust pipes extend toward the rear, wherein a front-wheel-side final reduction apparatus is provided ahead of the engine and a rear-wheel-side final reduction apparatus is provided behind the engine, and distances from the engine to the respective final reduction apparatuses are set in such a manner that a distance to the rear-wheel-side final reduction apparatus is longer than that to the front-wheel-side final reduction apparatus, which provides a space directly behind the engine for accommodating heavy components, including the oil tank and the battery, and a fuel tank which is arranged directly behind the battery.