Making sure that you are never short of electrical power the Twin Battery Charging System allows two batteries to be charged at the same time - one for starting, the other for on-board accessories. (standard on all V6 models)
Yamaha's Rigid and Light Weight Top Cowling minimizes engine noise while at the same time it prevents water to enter.
Motors are available with counter rotation to maintain a neutral helm in twin mountings. By contrast, a pair of clockwise-rotating propellers causes the boat to turn to starboard.
On Yamaha's 250B and Vmax 225 an Electronic Fuel Injection system (Ox66) with six independent throttle valves and fuel injectors maximises performance. A special Oxygen sensor monitors exhaust gasses, feeding back the information obtained to the ECU for optimum combustion under all circumstances. |