Re: Need Help with Puch engine...

Legendre /
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Oh yeah, the 'P' in BP5HS stands for 'protruded tip'. Go to a non-P type, and your interference problems should be solved. Sounds like you found at least one very major issue, here.

Plug gaps that are too small reduce the voltage (and hence power) of the spark. Below a certain gap (based on the type of ignition) the spark cannot introduce enough heat energy into the cylinder to get a good burn going.

About the bad break-in.. take the cylinder to a small engine shop, and have them put a pattern on the bore with a ball hone. Assemble the engine with a new ring and try again. That should get your compression back.

This single post is part of a larger thread. Start from the top or view this post in context.
Subject Written By Posted
  Need Help with Puch engine...Topic by: James Foster James Foster 08/05/05 07:14PM
  Re: Need Help with Puch engine...Re: Joe Woods Joe Woods 08/05/05 09:24PM
  Re: Need Help with Puch engine...Re: Jason Luther Jason Luther 08/05/05 10:59PM
  Re: Need Help with Puch engine...Re: James Foster James Foster 08/06/05 02:15AM
  Re: Need Help with Puch engine...Re: Jim Madden Jim Madden 08/06/05 02:25AM
  Re: Need Help with Puch engine...Re: Joe Woods Joe Woods 08/06/05 04:04AM
  Re: Need Help with Puch engine...Re: Alexis Ford Alexis Ford 08/06/05 09:09AM
  Re: Need Help with Puch engine...Re: Jason Luther Jason Luther 08/06/05 09:53AM
  Re: Need Help with Puch engine...Re: Jason Luther Jason Luther 08/06/05 01:28PM
  Re: Need Help with Puch engine...Re: Legendre Legendre 08/06/05 12:26PM
  Re: Need Help with Puch engine...Re: James Foster James Foster 08/06/05 12:39PM
  Re: Need Help with Puch engine...Re: James Foster James Foster 08/06/05 12:45PM
  Re: Need Help with Puch engine...Re: Mike Mike 08/06/05 03:43PM
  Re: Need Help with Puch engine...Re: Legendre Legendre 08/06/05 07:32PM
  Re: Need Help with Puch engine...Re: James Foster James Foster 08/06/05 08:23PM
  Re: Need Help with Puch engine...Re: Jason Luther Jason Luther 08/07/05 01:06AM
  Re: Need Help with Puch engine...Re: James Foster James Foster 08/07/05 01:19AM
  Re: Need Help with Puch engine...Re: Legendre Legendre 08/07/05 11:47AM
  Re: Need Help with Puch engine...Re: Shawn Shawn 08/08/05 01:57PM
  Re: Need Help with Puch engine...Re: James Foster James Foster 08/08/05 03:38PM

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