Among the list of handbook transmissions is the Wilson pre-selector, introduced in 1930 employed being a planetary equipment process to preselect gear ratios by working a small lever around the steering portion.  Asap hitam sebab injektor kotor,plug yang cepat hitam,air filter kotor dan minyak hitam yang naik sehingga silinder head. https://beauvockx.glifeblog.com/32770921/everything-about-gearbox-auto