也對,所以有的使用手冊也會有說明 RIDING ON HILLS • When climbing steep hills, the motorcycle may begin to slow down and show lack of power. At this point you should shift to a lower gear so that the engine will again be operating in its normal power range. Shift rapidly to prevent the motorcycle from losing momentum. • When riding down a steep hill, the engine may be used for braking by shifting to a lower gear. • Be careful, however, not to allow the engine to overrev. 當然這使用手冊只是一種基本的,入門的指南,更多情況都是要靠車主的經驗值。 不過至少這可以証明許多大型重機在時速60打到最高檔騎並不會重拖或把車子搞壞。