That setup indicates much less mass within the cylinder head and lessened pounds for the overall outboard. At the same time, 4 valves per cylinder means great motor combustion, which contributes to horsepower, torque and gasoline efficiency. Speedy Acceleration A TCI microcomputer ignition adjusts timing to maintain optimum engine effectiveness, https://usedyamahaoutboardmotors34567.tinyblogging.com/examine-this-report-on-honda-outboard-motors-79283299