Your Yamaha probably weighs in at a minimum 87# dry weight and if a high thrust bump that up to over 100#.

A 9.8 HP E-Tec is just over 80#.

But if you are willing to drop to a 6 HP Yamaha has their 4-stroke listed at 59# while the E-Tec is listed at 55#.

Pick you poison.
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Remember to immediately record your catch or you may become the catch!

It's the person who has done nothing who is sure nothing can be done. (Ewing)