Re: Leaving old ZA50 bearings

Probably Fred /
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> Daniel '' Wrote:

> -------------------------------------------------------

> I personally think puch builds the best za50. Don’t take it apart if

> it’s not broken. If you do replace them you have to do both the inner

> and outer race, shimming a 2piece bearing is important otherwise it will

> move around and then your clutch shimming gets whacky

You got that right but The best are the black face cobra engines that have real needle bearing cranks, Most stock cranks of other older versions za50s have bushings at both ends of rod with very small channel for oil mix to get into at the big end of con rod so can’t handle heat and Hi-Revs that well,

I got 2 za50s from white cobra bikes that are the greatest 2 speed auto moped engine ever made in my opinion, very free reving and go a bit faster given the same kit pipe combination to older types

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