By Bernadette Churchill
For now the development of EFI (Electronic Fuel Injection) motorcycle engines for motorcycle engines to improve engine performance. This research was conducted to determine the effect of the number of injector holes on engine performance. The maximum power on the 6 hole injector is 15.18 HP compared to 4 holes 14.38 HP and 10 holes 4.80 HP. Fuel consumption 4 holes 18.2 ml/minute, 6 holes 24.2 ml/minute, 10 holes 39.7 ml/minute. From the research it can be concluded that the 6-hole injector is a good size for the performance of the 150 cc Yamaha New Vixion motorbike.
