Re: boost bottle?

For reed engines, needs to close to cylinder volume, closer to reeds the better, least obstructed flow is best (ie no internal lip on bottle inlet), not very noticeable/effective on small displacement single cylinder set-ups, often is combined as a crossover tube on twins, tested and proven on rd/tz's, banshee, and many snowmobiles, came stock on ysr's. The pocket bike ones on ebay are junk as they flow poorly. The stock intake manifold on an nc50 acts as one due to its large internal volume.

Biggest benefit is better throttle response.

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