Eight sophisticated engine block sensors relay vital engine operating data to the Yamaha microcomputer, which instantly optimizes ignition timing and fuel mixture. The fuel is drawn to the fuel pump, routed through the vapor separator, and then pressurized by the high speed fuel pump to an incredible 700 psi. The injectors distribute the finely atomized fuel into the cylinders, above the pistons. Yamaha's exclusive 02 sensor continuously measures the oxygen present in the exhaust gases, enabling the computer to deliver the precise fuel mixture to each cylinder at all times. HPDI technology is just a hint of things to come, as Yamaha takes outboard technology into the new century.
Nothing obstructs the fuel flow.
Yamaha 02 sensor monitors oxygen content of exhaust for precision fuel output. The flywheel magnet , in conjunction with a well-tuned dynamic damper , provides smooth, quiet operation. The 45 AMP High-Output Alternator ensures a full battery, even at low rpm's. Yamaha Pro Series Propeller has a high rake and a unique torque control hub to get you up on the pad in a hurry and enhance top end speed. All rights reserved.