Varitronic flywheel thread differences

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Hughieboy
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Joined: Mon May 25, 2015 8:37 am
Main scooter: Lambretta Li S2 GT186
Location: The Shire
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Bit of a strange one, I have a Buzzetti flywheel puller and it fits an Li Varitronic flywheel I have perfectly. Just bought a GP Varitronic flywheel to go with a new crank and the same flywheel puller doesn’t fit! I’ve tried ‘persuading’ it in a little but I don’t want to bugger it up.

Anyone else had this/know what the answer is?


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Grumpy225
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Main scooter: Gori200, rt195, ld150,rb20
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Sounds like a rolled thread on the new flywheel. If you have a thread file you might be able to carefully clean up the internal thread on the flywheel. At least look them over carefully under a magnifier to spot the problem.
Hughieboy
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Posts: 83
Joined: Mon May 25, 2015 8:37 am
Main scooter: Lambretta Li S2 GT186
Location: The Shire
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Grumpy225 wrote: Tue Nov 12, 2019 9:13 pm Sounds like a rolled thread on the new flywheel. If you have a thread file you might be able to carefully clean up the internal thread on the flywheel. At least look them over carefully under a magnifier to spot the problem.
Sorry for the late reply, only just seen this.... oddly, although it took a bit of getting going, the new flywheel puller fit! Maybe my old one wasn’t all that good.... :?:
Spj
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Main scooter: 1958 Li 150 series 1 lambretta
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I have had the same issues you have. I think it is a 27/1.0 pitch.
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