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So I was pondering with my brother and friend a couple days ago and thought I'd ask the masses why nobody's tried to do DI on a motorcycle engine? Alternatively, why is it that bike engine tech lags so far behind car motor tech, particularly since 3 of the big 4 produce performance automotive engines.
My bro suggested that running the pump necessary to get 1200psi in the line for DI would be tough on such a small engine; our friend countered that probably wouldn't be too hard, and the reason for it was more cost not being worth it.
Most of the larger performance-oriented car manufacturers offer at least one DI engine, but maybe it's just not feasible for smaller production numbers that motorcycles are limited to.
Seems like it would break the stalemate on 600cc engine development. I was under the impression that DI allows for increased efficiency (and thereby power if you increase fuel/air) and reduces emissions (which would allow manufacturers to lessen all the heavy, strangling exhaust bullshit), but maybe that's incorrect...
I also posted this on SBN for increased exposure, just in case anyone is wondering why the redundant posting...