2013-10-08
Power-to-weight ratio in small stern-drive boats is not so exciting. I don't understand why those 2-cylinder Yanmar and its Chinese rip-offs are still used for that matter, they should be restricted for the stationary usage they were initially intended for. Might be still OK for a kuliglig but on boats the dead weight is even more problematic. The cheapest is not everytime the best, there are many 4-cylinder engines that are not so heavy compared to the 2-cylinder stationary Yanmars, even though in certain cases displacing the double of them. I've seen the TDI engines from Audi being also available for marine purposes in other places, and due to the modular engine designs from the Volkswagen Group it woldn't be so hard to get them made in China too.
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Those boat-anchor (pun intended) Yanmar engines are also widely used in small fishing boats in my hometown (Florianópolis island, Brazil) and even in some touring boats at Costa da Lagoa, but they shake so much that one can think the boat is going to sink at any time. Maybe they should rather get a Volkswagen engine out of the Argentinian Golf.
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