Ohhhhh minarelli c2 belt shit?

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Recently got another safari c2, had a broken rear clutch shaft when I got it. Shout out to Parker from Upjet for selling me a shaft from a parts engine of his. Anyway, she’s got a good rebuild on her, mort matched polini, mamba pipe, 4g weights blah blah blah, fastest bike off the line I’ve ever had, super happy with it BUT it’s stretching and tearing through belts in a matter of miles. And these mamma jammas ain’t cheap. I have my stock pirelli belt, I had a treats belt from a while back (the double sided cogged one), but it officially stopped starting the bike at all, and I have two new DOS belts I just got, here’s a photo of the two dos belts, one is new one has a whole 25 miles on it and struggles to start the bike, it just slips on the front vario like crazy. I can sometimes get it to start with the cardboard shit but it’s a huge hassle, and sometimes fruitless. Seems no one else has had this issue?

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I DID mill the inner diameter of the rear clutch on a lathe from 14mm to 19.88mm, with a depth of 17mm to press in a one way bearing and delete my starter clutch shoes. But I’ve seen many people do this mod to Honda and derbi bikes and never heard of this issue. I can’t image that’s causing it, but who knows maybe someone will see something I did not? Any ideas? I measured the new weights they are the same OD as stock (okay it’s like .14mm smaller but pfff) so it’s not like the front is opening more than normal. I will say this c2 DID NOT come with a decomp head like one of my last ones did. But from what I’ve seen most delete it anyway. What y’all think? Any opinions or suggestions?

I REALLY don’t want to just pull start it or something, that’s the whole reason I installed the one way bearing and I feel like that’s ignoring the actual problem at hand.

Bonus photo of polini porting

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This single post is part of a larger thread. Start from the top or view this post in context.
Subject Written By Posted
  Ohhhhh minarelli c2 belt shit?Topic by: Wolf Wizard Wolf Wizard 11/11/20 09:31PM
  Re: Ohhhhh minarelli c2 belt shit?Re: Daniel '' Daniel '' 11/12/20 02:19PM
  Re: Ohhhhh minarelli c2 belt shit?Re: Brandon Weiss (Detective brandon to you) Brandon Weiss (Detective brandon to you) 11/12/20 05:27PM
  Re: Ohhhhh minarelli c2 belt shit?Re: Dirty30 Dillon Dirty30 Dillon 11/15/20 01:41PM
  Re: Ohhhhh minarelli c2 belt shit?Re: pat splat pat splat 11/14/20 06:36PM
  Re: Ohhhhh minarelli c2 belt shit?Re: Wolf Wizard Wolf Wizard 11/15/20 10:34AM
  Re: Ohhhhh minarelli c2 belt shit?Re: pat splat pat splat 11/15/20 06:48PM
  Re: Ohhhhh minarelli c2 belt shit?Re: Mark Kinsler Mark Kinsler 11/16/20 02:17AM
  Re: Ohhhhh minarelli c2 belt shit?Re: Frank Bailey Frank Bailey 11/16/20 08:15AM
  Re: Ohhhhh minarelli c2 belt shit?Re: Wolf Wizard Wolf Wizard 11/17/20 11:49PM
  Re: Ohhhhh minarelli c2 belt shit?Re: Wolf Wizard Wolf Wizard 11/17/20 11:54PM
  Re: Ohhhhh minarelli c2 belt shit?Re: Mark Kinsler Mark Kinsler 11/18/20 01:27AM
  Re: Ohhhhh minarelli c2 belt shit?Re: Wolf Wizard Wolf Wizard 11/18/20 12:40AM
  Re: Ohhhhh minarelli c2 belt shit?Re: Wolf Wizard Wolf Wizard 11/18/20 07:32AM
  Re: Ohhhhh minarelli c2 belt shit?Re: Mark Kinsler Mark Kinsler 11/18/20 08:52AM
  Re: Ohhhhh minarelli c2 belt shit?Re: Frank Bailey Frank Bailey 11/18/20 08:34PM
  Re: Ohhhhh minarelli c2 belt shit?Re: Wolf Wizard Wolf Wizard 11/18/20 09:02PM
  Re: Ohhhhh minarelli c2 belt shit?Re: Frank Bailey Frank Bailey 11/18/20 09:14PM
  Re: Ohhhhh minarelli c2 belt shit?Re: Wolf Wizard Wolf Wizard 11/18/20 09:25PM
  Re: Ohhhhh minarelli c2 belt shit?Re: Frank Bailey Frank Bailey 11/18/20 09:34PM
  Re: Ohhhhh minarelli c2 belt shit?Re: Wolf Wizard Wolf Wizard 11/23/20 09:45PM
  Re: Ohhhhh minarelli c2 belt shit?Re: Scottie Hartpence Scottie Hartpence 02/12/21 02:11PM
  Re: Ohhhhh minarelli c2 belt shit?Re: Hepatitis J [OFMC] Hepatitis J [OFMC] 02/12/21 11:08PM
  Re: Ohhhhh minarelli c2 belt shit?Re: Scottie Hartpence Scottie Hartpence 02/14/21 02:48PM
  Re: Ohhhhh minarelli c2 belt shit?Re: JBOT Admin JBOT Admin 02/19/21 05:35PM

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