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Single Throttlebody Sizing

By Richie-Van-GTi, November 19, 2014 in Misc/General Technical

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Richie-Van-GTi 83 2 Cars

Posted November 19, 2014

Im currently building a bike engine single seater project. I am using a Vtwin 600cc engine and converting it to fuel injection from carbs. Previously had 2 mikuni 32mm carbs, one on each piston. Going on various website calculators they recommend a throttlebody size based on race use of around 33mm but that does not say if its on each cylinder or across both. I suspect across both. Can anyone confirm this sounds about right? Also any idea who makes bespoke billet bodies or stocks a wide range of sizes?

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