Re: '78 Batavus Regency, Laura M56 sounds like a Pterodactyl

Jay Rivett /
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Sounds like it could have seized up. With the carb swap you went through tuning it to get the proper air and gas mix for the bike? A lean bike feels like a beas up until it does not have enough lubrication and heats up the cyl until the piston gets swelled and sticks to the cyl walls. Usually it is the rings that bloat into a port. Remove the head and see what the walls of the cyl looks like. If you "soft seized" the piston should still move. If the cylinder is still smooth then you could still run it. If it feels gouged then you will need to hone the cy and get a new piston. Or a new whole top end. If it is hard seized you will need to replace the whole top end as all the pieces are probably not salvageable.

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Subject Written By Posted
  '78 Batavus Regency, Laura M56 sounds like a PterodactylTopic by: Mark Anderson Mark Anderson 07/27/20 09:00AM
  Re: '78 Batavus Regency, Laura M56 sounds like a PterodactylRe: Jay Rivett Jay Rivett 07/27/20 09:08AM
  Re: '78 Batavus Regency, Laura M56 sounds like a PterodactylRe: Mark Anderson Mark Anderson 07/27/20 09:20AM
  Re: '78 Batavus Regency, Laura M56 sounds like a PterodactylRe: Mark Anderson Mark Anderson 07/27/20 09:26AM
  Re: '78 Batavus Regency, Laura M56 sounds like a PterodactylRe: Mark Anderson Mark Anderson 07/27/20 09:47AM
  Re: '78 Batavus Regency, Laura M56 sounds like a PterodactylRe: Jay Rivett Jay Rivett 07/27/20 11:07AM
  Re: '78 Batavus Regency, Laura M56 sounds like a PterodactylRe: Mark Anderson Mark Anderson 07/27/20 11:13AM
  Re: '78 Batavus Regency, Laura M56 sounds like a PterodactylRe: Aaron Blair Aaron Blair 07/27/20 11:16AM
  Re: '78 Batavus Regency, Laura M56 sounds like a PterodactylRe: Mark Anderson Mark Anderson 07/27/20 11:30AM
  Re: '78 Batavus Regency, Laura M56 sounds like a PterodactylRe: Aaron Blair Aaron Blair 07/27/20 11:31AM
  Re: '78 Batavus Regency, Laura M56 sounds like a PterodactylRe: Aaron Blair Aaron Blair 07/27/20 11:35AM
  Re: '78 Batavus Regency, Laura M56 sounds like a PterodactylRe: Mark Anderson Mark Anderson 07/27/20 11:36AM
  Re: '78 Batavus Regency, Laura M56 sounds like a PterodactylRe: Aaron Blair Aaron Blair 07/27/20 11:46AM
  Re: '78 Batavus Regency, Laura M56 sounds like a PterodactylRe: Mark Anderson Mark Anderson 07/27/20 11:51AM
  Re: '78 Batavus Regency, Laura M56 sounds like a PterodactylRe: Jay Rivett Jay Rivett 07/27/20 11:56AM
  Re: '78 Batavus Regency, Laura M56 sounds like a PterodactylRe: Mark Anderson Mark Anderson 07/27/20 12:25PM
  Re: '78 Batavus Regency, Laura M56 sounds like a PterodactylRe: Aaron Blair Aaron Blair 07/27/20 12:31PM
  Re: '78 Batavus Regency, Laura M56 sounds like a PterodactylRe: Mark Anderson Mark Anderson 07/27/20 12:38PM
  Re: '78 Batavus Regency, Laura M56 sounds like a PterodactylRe: Jay Rivett Jay Rivett 07/28/20 04:16PM
  Re: '78 Batavus Regency, Laura M56 sounds like a PterodactylRe: Dan Pasanen Dan Pasanen 07/29/20 10:56AM
  Re: '78 Batavus Regency, Laura M56 sounds like a PterodactylRe: Mark Anderson Mark Anderson 07/29/20 12:01PM
  Re: '78 Batavus Regency, Laura M56 sounds like a PterodactylRe: Dan Pasanen Dan Pasanen 07/29/20 02:28PM
  Re: '78 Batavus Regency, Laura M56 sounds like a PterodactylRe: pat splat pat splat 07/29/20 09:40PM
  Re: '78 Batavus Regency, Laura M56 sounds like a PterodactylRe: Chris Squid Chris Squid 07/30/20 09:29PM
  Re: '78 Batavus Regency, Laura M56 sounds like a PterodactylRe: Mark Anderson Mark Anderson 07/31/20 10:36AM

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