One of many handbook transmissions will be the Wilson pre-selector, launched in 1930 used being a planetary equipment procedure to preselect gear ratios by working a small lever around the steering segment.  Asap hitam sebab injektor kotor,plug yang cepat hitam,air filter kotor dan minyak hitam yang naik sehingga silinder head. https://gearbox-auto80146.pointblog.net/not-known-factual-statements-about-gearbox-auto-77380088