Vespa GT125 2 port clutch gear upgrade
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Weston-scooterist
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- Joined: Mon Dec 17, 2012 8:18 pm
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Hi im restoring a Vespa 67 GT125, planning on putting a cast Pinasco 177 kit on, however i understand the clutch cog can be changed to alter the gearing, SIP do several different sizes and I can't find the most suitable size to use, many people must have done it but can't find anything on web, can anyone help?