Re: Polini CP 17.5 Guidance on Puch Polini 64cc

Michael Jones /
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Wow thank you all for the advice!

I ordered OKO jets and it turns out the main jets fit the polini carb, but not the idle jets.

I put in the largest 120 main jet and raised the needle (lowest clip).

It still seems lean and soft seized in testing. (I have done a fair amount of break in on the previous bing carb. I wasn't going WOT, but stayed in it a little over 30MPH and zing). It fired back up and limped home (what is that change in sound? Loose studs?), at home it froze and came loose pretty easily after pulling the head a little oil soaking. I don't see any major scratches or shiny new metal.

I have ordered larger main and idle jets. I may have been running it too heavy on oil. I'm going to drain it, swap in the new petcock and measure some premix. Apparently polini cylinders take 60:1 synthetic, but that sounds dry. I'll probably go 50-55.

I have a big box of treats coming so there will be more pics.

IMG_20210907_214304~2.jpg
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Subject Written By Posted
  Polini CP 17.5 Guidance on Puch Polini 64ccTopic by: Michael Jones Michael Jones 09/02/21 01:18AM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: baird co baird co 09/02/21 12:08PM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: tom wizard tom wizard 09/02/21 05:19PM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: First Name Last Name First Name Last Name 09/05/21 01:47AM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: Graham Motzing Graham Motzing 09/05/21 01:33PM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: b to the eff b to the eff 09/02/21 07:57PM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: First Name Last Name First Name Last Name 09/05/21 01:52AM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: Stephen Simmons Stephen Simmons 09/05/21 08:23AM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: Michael Jones Michael Jones 09/08/21 01:41AM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: baird co baird co 09/08/21 12:53PM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: Michael Jones Michael Jones 09/08/21 01:56AM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: Michael Jones Michael Jones 09/08/21 02:12AM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: Jay Rivett Jay Rivett 09/08/21 10:48AM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: Graham Motzing Graham Motzing 09/08/21 11:34AM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: Michael Jones Michael Jones 09/09/21 12:43AM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: baird co baird co 09/09/21 11:23AM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: Graham Motzing Graham Motzing 09/09/21 11:42AM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: Michael Jones Michael Jones 09/09/21 04:09PM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: Graham Motzing Graham Motzing 09/09/21 04:43PM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: Michael Jones Michael Jones 09/11/21 06:20PM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: Mike Boyd Mike Boyd 09/22/21 11:10AM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: Michael Jones Michael Jones 09/12/21 10:50PM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: Michael Jones Michael Jones 09/22/21 12:39AM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: Michael Jones Michael Jones 09/22/21 11:48AM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: Mike Boyd Mike Boyd 09/22/21 12:00PM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: Michael Jones Michael Jones 09/26/21 10:06PM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: Michael Jones Michael Jones 10/21/21 10:06PM
  Re: Polini CP 17.5 Guidance on Puch Polini 64ccRe: Michael Jones Michael Jones 11/17/21 10:03PM

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