Anything related to Vespas... ask tech questions, post helpful info, or just read and learn.
Posts: 82
Joined: Wed Jan 07, 2009 4:37 pm
ebay user ID: big-bad-barry
Main scooter: 1970 GP 195cc A/F s'type
Location: Waterlooville Hampshire

Sun Nov 30, 2014 4:19 pm

Hi i have a standard px125 with new oil seals fitted, it needs an upgrade in pull and tourque what is avalible for a rally going set up ?

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Joined: Wed Apr 01, 2009 2:28 pm

Sun Nov 30, 2014 5:58 pm

alreet john, cheapness ...a DR177(180) kit, 21 tooth clutch cog, standard exhaust, and up jet the 20mm carb to a 110 or thereabouts, no crank /crankcase mods needed. they can be quite tight new, so give it a hone out before fitting. good cheap set up.

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Joined: Sun May 02, 2010 6:29 pm

Thu Dec 04, 2014 6:23 pm

thats one possibility: take DR if you just want a simple pnp tuning
additional use
- a 24si carb, but pls widen the hole in the carb bowhl
- GrandSports piston rings, they cant break as the normal rings
- a sip road touring exhaust of course
- strenghten your clutch basket

but if you think of more tuning stages
of course take a polini 177, gs piston rings, siproad, 24si carb, kty vcdi, 21t clutch cog, stronger clutch basket
later on you can tune it further more, check my utube channel out, the race between gts300 and the green super 150 is a polini 177 si24, 65/23 (!), siproad setup
Utube channel

Wer nur in die Fussstapfen anderer tritt, hinterlässt keine eigenen Spuren....

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