Re: ZA50 - anyone rebuilding them?

Overpriced Parts /
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> Jacob Fulton Wrote:

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

> I just replaced the pucks and flipped the second gear clutch on mine,

> and put a fresh top end/pipe one. Geared tall to keep rpms below 8500

> rpm. For me this is a treats piston port kit/head, mlm peoples sidebleed

> pipe, 19/37 gearing. This is the “fast but reliable” setup I was

> recommended to follow, without having to worry or mess with shimming

> assuming you put them back in the right spot. I did not the first time

> and it wouldn’t roll backwards. I also didn’t put the roller bearings

> against spring tension so the transmission never engaged lol.

>

> From my understanding, once you mess with aftermarket cranks, you need

> to nail down the low tolerance shimming part of the equation. Supposed

> to be easier with the official tool but it’s rare, I’ve been hoping

> someone holding onto it sends one to MLM for reproductions.

>

> With that setup so far not really tuned, I get 74cc e50 kit like

> acceleration off the line in 1st. Hitting low 40s. My other ZA is geared

> even taller at 20/35 so I guess it might last longer but this season

> will be my first with ZAs, I’ll probably be posting here on results.

>

> Detroit Moped works used to be the go to but they only do small/quick

> local repairs now. The mods mentioned above are easy to do though, just

> need to make sure you correctly take off the right hand threaded nut,

> and grab the second gear locking tool from treats. The tool the holds

> the sprocket isn’t worth it, just use a 8mm socket, it’s useless once

> you change that front sprocket.

You kinda said that confusing, just to be clear The first nut you takeoff inside is a reverse thread nut, left to tighten, right to loosen

Using a 8 mm socket against the sprocket is a bad idea it puts stress on several bearings especially if it’s on tight, the locking tool is a must

This single post is part of a larger thread. Start from the top or view this post in context.
Subject Written By Posted
  ZA50 - anyone rebuilding them?Topic by: Charlie C Charlie C 01/11/21 12:03AM
  Re: ZA50 - anyone rebuilding them?Re: ♣Slew Foot♣ ♣Slew Foot♣ 01/11/21 12:16AM
  Re: ZA50 - anyone rebuilding them?Re: Charlie C Charlie C 01/11/21 12:19AM
  Re: ZA50 - anyone rebuilding them?Re: * wormdirt * * wormdirt * 01/11/21 12:24AM
  Re: ZA50 - anyone rebuilding them?Re: * wormdirt * * wormdirt * 01/11/21 12:37AM
  Re: ZA50 - anyone rebuilding them?Re: Charlie C Charlie C 01/11/21 12:41AM
  Re: ZA50 - anyone rebuilding them?Re: * wormdirt * * wormdirt * 01/11/21 12:21AM
  Re: ZA50 - anyone rebuilding them?Re: Charlie C Charlie C 01/11/21 12:36AM
  Re: ZA50 - anyone rebuilding them?Re: Chris Straub Chris Straub 01/11/21 12:42AM
  Re: ZA50 - anyone rebuilding them?Re: Charlie C Charlie C 01/11/21 12:47AM
  Re: ZA50 - anyone rebuilding them?Re: Ryan Graeme Ryan Graeme 01/11/21 02:00AM
  Re: ZA50 - anyone rebuilding them?Re: P D P D 01/11/21 09:41AM
  Re: ZA50 - anyone rebuilding them?Re: Daniel '' Daniel '' 01/11/21 10:39AM
  Re: ZA50 - anyone rebuilding them?Re: Jackerz ! Jackerz ! 01/11/21 10:34AM
  Re: ZA50 - anyone rebuilding them?Re: Charlie C Charlie C 01/11/21 10:46AM
  Re: ZA50 - anyone rebuilding them?Re: Charlie C Charlie C 01/11/21 10:53AM
  Re: ZA50 - anyone rebuilding them?Re: Overpriced Parts Overpriced Parts 01/11/21 11:32AM
  Re: ZA50 - anyone rebuilding them?Re: Charlie C Charlie C 01/11/21 11:58AM
  Re: ZA50 - anyone rebuilding them?Re: Jacob Fulton Jacob Fulton 01/11/21 12:17PM
  Re: ZA50 - anyone rebuilding them?Re: Overpriced Parts Overpriced Parts 01/11/21 12:33PM
  Re: ZA50 - anyone rebuilding them?Re: Jacob Fulton Jacob Fulton 01/11/21 01:21PM
  Re: ZA50 - anyone rebuilding them?Re: Trent Anderson Trent Anderson 01/11/21 04:45PM
  Re: ZA50 - anyone rebuilding them?Re: Charlie C Charlie C 01/11/21 05:59PM
  Re: ZA50 - anyone rebuilding them?Re: Jay Rivett Jay Rivett 01/11/21 11:19PM
  Re: ZA50 - anyone rebuilding them?Re: Charlie C Charlie C 01/11/21 11:58PM
  Re: ZA50 - anyone rebuilding them?Re: Overpriced Parts Overpriced Parts 01/12/21 01:19AM
  Re: ZA50 - anyone rebuilding them?Re: Charlie C Charlie C 01/12/21 09:14AM
  Re: ZA50 - anyone rebuilding them?Re: Graham Motzing Graham Motzing 01/12/21 10:31AM
  Re: ZA50 - anyone rebuilding them?Re: Jay Rivett Jay Rivett 01/12/21 11:13AM
  Re: ZA50 - anyone rebuilding them?Re: Alex Samul Alex Samul 01/14/21 10:28AM
  Re: ZA50 - anyone rebuilding them?Re: Graham Motzing Graham Motzing 01/14/21 10:32AM
  Re: ZA50 - anyone rebuilding them?Re: Charlie C Charlie C 01/14/21 04:25PM

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