Basic checks:
no gearbox oil Sucker
rv tolerance at 0,05mm
then cdi, pickup, supply coil. Pickup
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Search found 5 matches
- Tue Dec 11, 2018 5:38 pm
- Forum: Vespa Tech
- Topic: P200e issue!
- Replies: 42
- Views: 20361
- Tue Dec 11, 2018 5:36 pm
- Forum: Vespa Tech
- Topic: polini 187 port timings
- Replies: 7
- Views: 6188
Re: polini 187 port timings
118-120/174-176 with si and box or big box xombined with 200-210 intake timing (rotary valve tolerance MUST be 0,05mm) exhaust port 65%. use gs piston rings.
Makes fun and sense
Makes fun and sense

- Tue Dec 11, 2018 3:15 pm
- Forum: Vespa Tech
- Topic: POLINI 210 ALLOY
- Replies: 17
- Views: 14687
Re: POLINI 210 ALLOY
round piston skirt and the windows ij the cylinder foot
The asso piston is ou of the 80ies, the weakest of all 200cc kits and likes. To break
Checkout my fb page for more. Info and nice pics of cracked asso pistons
The asso piston is ou of the 80ies, the weakest of all 200cc kits and likes. To break
Checkout my fb page for more. Info and nice pics of cracked asso pistons
- Thu Dec 04, 2014 6:23 pm
- Forum: Vespa Tech
- Topic: PX125 UPGRADE
- Replies: 2
- Views: 3160
Re: PX125 UPGRADE
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 t...
- Thu Dec 04, 2014 6:12 pm
- Forum: Vespa Tech
- Topic: Mixer Tubes SI Carbs
- Replies: 19
- Views: 14717
Re: Mixer Tubes SI Carbs
& also take into consideration what dellorto says emulsion tubes act as air brakes to slow down the flow of fuel http://www.freakmoped.at/1/vespa/si/fmp_dellorto_emulsion_tubes_mischrohre_info.jpg (got it 10y ago from a friend and promised him not to share the whole document... but an extract is...