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 Oggetto del messaggio: Oil mixture changes??
MessaggioInviato: 31 marzo 2018, 20:34 
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Apista aspirante

Iscritto il: 22 dicembre 2013, 17:31
Messaggi: 9
Ape posseduto: APC2
I have been reading a little on the history of the Ape.

Apparently at some point the oil mixture changed from 5% to 2%?? What were the changes that made this possible?

Also, I am planning to tune my C model a little, perhaps fitting a 7 spring PX clutch as well as either a ported standard type cylinder or maybe a pinasco faro basso one. Is there a possible simple crankshaft upgrade I can do?? I am also thinking of fitting electronic ignition so a later crank would be great if possible? Are there any other cylinder upgrades that have been done to the C? I may even make a simple expansion chamber to help increase the power, has anyone done this on an AC2 or AC3?


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 Oggetto del messaggio: Oil mixture changes??
MessaggioInviato: 31 marzo 2018, 20:34 


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 Oggetto del messaggio: Re: Oil mixture changes??
MessaggioInviato: 19 aprile 2018, 1:38 
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Apista aspirante

Iscritto il: 23 maggio 2017, 4:12
Messaggi: 8
Località: Curitiba, Brazil
Ape posseduto: AC3
Hi Raffspeed! I intend to do this also on my AC3, Pinasco 160 is a good choice.
The piston ported engines are 5%. The rotary valve emgines are 2% with some excetions.

_________________
Ape AC3 1961 - Vespa VB1 1960 - Vespa PX200 Elestart 1988 - Vespa Super 150 1979 - Vespa GS160 (replica)
*brazilian versions
%(^


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 Oggetto del messaggio: Re: Oil mixture changes??
MessaggioInviato: 24 aprile 2018, 4:26 
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Apista apprendista
Apista apprendista

Iscritto il: 9 aprile 2012, 20:57
Messaggi: 50
Raffspeed ha scritto:
I have been reading a little on the history of the Ape.

Apparently at some point the oil mixture changed from 5% to 2%?? What were the changes that made this possible?

Also, I am planning to tune my C model a little, perhaps fitting a 7 spring PX clutch as well as either a ported standard type cylinder or maybe a pinasco faro basso one. Is there a possible simple crankshaft upgrade I can do?? I am also thinking of fitting electronic ignition so a later crank would be great if possible? Are there any other cylinder upgrades that have been done to the C? I may even make a simple expansion chamber to help increase the power, has anyone done this on an AC2 or AC3?


There is an electronic kit available for the AC, although it's more of a reliability rather than performance upgrade. On that note, I've been running the same points, condenser and coil in my AC1 for almost 8 years without any issues I don't think it's worth the 300 euro expense. Also, with the new synthetic pre-mix oils you can run it at 3% and be ok.

Regarding all the performance mods, they're all useless unless you can change the gearing, which you can't. You'll end up spending a lot of time and money to kill the reliability without any gain in speed.

If you want a fast ape get an ape50 pull start model, I have a pull-start TL4 with a malossi 130 kit, crank, taller gearing, large carb, malossi reeds, expansion chamber, etc... it's super-fast (for an ape) and they're easy to work on, easy to get parts for and cheap to begin with.... and if that's not enough you can always stick a Honda cbr600 engine in it.

alex


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