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Old 09-25-2017, 08:33 PM
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xlint89 xlint89 is offline
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Join Date: Dec 2011
Location: cleveland OH
Posts: 1,064
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Welcome to the site.

Nice work you're doing for sure.

The original carb was a Constant Velocity type. The diaphragm wasn't a fuel pump. It helped the carb move the slide up as the engine RPM increased.

I think you just learned your first lesson about the cheap Chinese copied parts. THEY SUCK!!!!

Gravity feed is fine, no fuel pump needed. (I don't think Yerf came with fuel pumps) I'm running a Mikuni on my modified yerf with no problem.

While your working on the front end, might as well reinforce the "bulk head" up front. It's very common for that entire front end to break away from the frame.

Add the extra 2 teeth per side on the rack n pinion for better turning radius.

Good luck with your build
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My Yerban assault vehicle: 2.2mm stroker crank, 62mm Nikasil cyl, Taida large vavle head, American made valve springs, ported intake manifold, TM 28mm carb, stock CDI, Bando coil, TK exhaust, stock CVT except for the 14g sliders, 13/40 internal gears, 16T drive, 31T axle sprocket, 22" rear tires, and ONE BIG POTATO CANNON mounted on top..........
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