Racing or modified engines are excluded from extended draininterval recommendations.
赛车或修改发动机被排除在换油间隔的建议。
2
For more information on product applications and service life, refer to the AMSOIL product Recommendation and DrainInterval Guide (G1490).
更多关于产品的应用和服务的生命信息,请参阅amsoil产品推荐和换油指南(G1490)。
3
For Big Twin Harley-Davidson transmissions only, follow the Harley-Davidson recommended draininterval for synthetic oil of up to 20,000 miles or one year, whichever comes first.