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YAMAHA XV125/250摩托车,在我国的拥有者为数不少。该车其优美的造型,独特的V型双缸发动机和雉形排气管,颇受车迷的喜爱。 在维修摩托车的过程中,发觉这种车行驶二三万km后,有的连杆出现不同程度的损害,导致发动机产生杂音,严重的还无法行驶。经分析,该车型的连杆大头及汽缸润滑并不是泼溅润滑,而是压力润滑,即由机油泵供油,其路线为: 机油泵→机油滤芯→曲轴左端→连杆大头→; 机油泵→机油滤芯→凸轮摇臂。 机油滤芯在发动机左侧,旋出三枚M6螺丝钉即
YAMAHA XV125 / 250 motorcycles, in our country a large number of owners. The car’s beautiful shape, the unique V-twin engine and the pheasant exhaust pipe, popular fans favorite. In the process of repairing motorcycles, it was found that after some 20000 km of such vehicles were driven, some of the connecting rods suffered different degrees of damage, causing noise to be generated in the engine and serious driving failure. The analysis of the model connecting rod bulk and cylinder lubrication is not splash lubrication, but pressure lubrication, that is, by the oil pump, the route: the oil pump → oil filter → crankshaft left → connecting rod bulk →; oil pump → oil filter → cam rocker arm. Oil filter in the left side of the engine, screw out three M6 screws that is