Re: ZA50 / Maxi-II / 70cc set dump

Probably Fred /
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Most times I'm faster with a 14mm bing on a pp kit than many phbg powered piston port kit bikes. I usually get 48 mph with quick takeoff running a 14 mm bing, tecno circuit pipe 15-17x40 gears, tuned two shoe on a e50 or

20x35 gears on a za50.

Heck I run 15mm bing, 64cc puch polini kit, estroil pipe and hit 55+

14-15 mm bings work great way more low end then a big phbg carb on a PP kit

Pipe is the limiting factor most times.

Big pipe big carb, mild pipe mild carb that's how I look at it.

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