Best is 10w40 or 15w40 semi synthetic. After 10 years of bike use, I used 15w50, which is more viscous. I used this just for once to help remove deposits from engine parts.
15w40机油是指机油的粘度为15w40。机油的牌号因其基础油的不同而分为矿物油、半合成油和全合成油。 SASBSJ 的九个等级的质量已经低于SA 等级。 区分 ...
Shell Rotella T4 NG Plus 15W-40 has been specially formulated for use in natural gas-powered vehicles in order to manage their high heat and provide the necessary engine protection. Shell Rotella ...