先说说所谓的原厂机油,很多机友都迷信原厂机油,但是懂套路的老摩友一般都不会用原厂机油,这里可以明确的告诉你,没有任何一家车企(包括所有汽车厂商)都不会有自己的机油生产线,更不会为了自己的车型专门开发什么“最适合这辆车的机油”。所有的原厂机油都是各大润滑油厂家代工的,跟同级别的润滑油厂商生产的机油是一样样的,有些甚至还不如润滑油厂商自己挂牌的机油好。所以大家不要再迷信原厂机油了。
下面我们再说说怎么选择适合自己车的机油。一般的小踏板车和小排量代步车就不说了,机油都很便宜,一般不超过60元。这里主要说说四冲高压缩比的性能车如何选择机油。首先了解一下摩托车的润滑原理:
以上就是目前主流的湿式离合油底壳润滑系统,这种结构跟汽车是不一样的,摩托车的离合是油浸式,也就是说离合表面时刻都有机油的。这就要添加一些添加剂,既能保证转动部件有良好的润滑性能,又要保证离合正常工作。所以汽车和摩托车的机油是不能共用的,至于为什么会有很多“摩托车加汽车机油完全没问题”的言论?一方面是早些年大部分摩托车都是两冲车,机油不但要润滑还要燃烧,而二冲车基本都是干式离合,排量不便不大,所以不涉及这些问题。另一方面是把踏板摩托车的润滑系统的认知带到跨骑车上,离合和润滑原理也是不一样的。不过我想但凡是玩车的都不会蠢到把汽车机油加到自己的爱车里吧。
再来说说,润滑油的级别,就是API(美国石油协会)标准,这是一个综合衡量机油质量高低的标准油质量由低至高依次划分为:SA、SB、SC、SD、SE、SF、SG、SH、SJ、SL等级。
在摩托车机油里面,级别最高的也只不过是SL级别,因为SN主要提升的是高温清洁性能。而我们玩的摩托车特点是高压缩比高转速,比起汽车发动机不是那么容易积碳和产生油泥,所以比起清洁性,抗磨和抗氧化性就更加重要了。
高级别性能车的机油可以向下兼容,但普通车的低级别机油当然不可能向上兼容。当然也有例外,比如宝马有几款发动机标明一定要使用矿物油,哈雷的大部分低压缩比发动机也是可以使用矿物油的。所以,用机油不要迷信级别,仔细看看说明书,最适合的才是最好的。
最后再说说机油标号选择,以10W40标号为例,其前面的数字越小说明机油的低温流动性越好,代表可供使用的环境温度越低,在冷启动时对发动机的保护能力越好;“W”后面的数字则是机油耐高温性的指标,数值越大说明机油在高温下的保护性能越好,高性能车要选择高温粘度较高的机油。选择冬季机油一般是你所在地区的最低温度加上35,就是W前的标号了,比如最低温度-20℃,就选15W标号的。
好了,关于摩托车润滑的各种误区就先介绍这么多,有问题可以私信哈。
原创文章,作者:cesifu,如若转载,请注明出处:http://www.cesifu.com/article/26796.html
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