有一辆本田轻便摩托车,发动机噪声很大,判断是曲轴轴承损坏所引起的。分解发动机,取出曲轴总成,发现轴承已损坏,需更换。 其中有一轴承是薄型轴承,在摩托车配件商店、轴承店中都买不到。经过测量,发现该薄型轴承与市售普通204轴承的差别不大,仅是其厚度相差2mm(薄型 There is a Honda moped, the engine noise is large, the judge is caused by damage to the crankshaft bearings. Decompose the engine, remove the crankshaft assembly and found that the bearing has been damaged, need to be replaced. One of these bearings is a thin bearing, which can not be found in motorcycle parts stores and bearing shops. After measurement, it was found that the difference between this thin bearing and ordinary 204 bearing is small, only the difference of its thickness is 2mm