Piston

Anything related to Vespas... ask tech questions, post helpful info, or just read and learn.
Hotdog
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Glad you said that as I took the plunge and ordered one earlier today.
brynt
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Joined: Sun May 03, 2020 11:00 am
Main scooter: Vespa125TS
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Thanks Gaz, happy to hear they are based on Autisa, I had a kit on my P200 years ago and really liked it.
gaz_powell
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The supplied pistons with the old Autisa kits were JHP and notorious for dropping ring pegs.....as I found out on my first kit, that's on the shelf bored to 67.3 with a meteor piston.

I'm tempted to get one of those pistons at that price and bore it 68mm

But then on thinking I've got the freshly bored Chiselspeed tuned one on (fitted last weekend with SIP R3) then 3 more spare barrel/pistons (HB tuned one 66.5, stock one 66.5 and the 67.3)

I was clearing out the other day and found a pair of genuine Autisa 66.5 rings still in package.

Keep us updated on what happens.
gaz_powell
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There's more life left in all them barrels than me !
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