Portable Yamaha four-strokes perform on small Sea Jays
But with technological advances, two-strokes are not necessarily lighter than modern four-strokes. This is highlighted by the range of portable Yamaha four-strokes, which are becoming increasingly lighter and torquier. When run over the scales, the portable Yamaha 9.9hp four-stroke comes in at about 40kg (add an extra kilogram for the long shaft model), while the 15hp weighs a touch over …
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