vespa 400 oil ratio needed

What is the proper oil ratio for a vespa 400?
I have been told 50:1, 32:1 24:1

Also what is the tank capasity?

in route the micro south 2008

Kenneth Winter
give me call 423-526-1328

I need an answer ASAP

Hi, please check "gas tank and hup caps needed
Posted by: acerjet (---.sbndin.dsl-w.verizon.net)
Date: October 01, 2006 01:23AM

Posted by: courtonne (---.adsl.proxad.net)
Date: April 18, 2007 04:36PM

ok , normally in france : for on litter >one turn on the pump , you have a 2% mix

I take it you're in the States. I stand corrected so go for the 2% mix as stated (50:1). It has been some time since I drove a Vespa 400, it was an American model import purchased in France while on vacation and as I recall the tank held five US gallons. Have a good time at micro south 2008, Chuck

Yes, 50:1 or 2 percent is recommended in the Vespa literature. Some use a higher oil ratio, certainly would improve lubrication but add to ash and junk in the muffler and exhaust system and perhaps plug fouling. The newer synthetic or semi-synthetic 2-cycle oils have lower ash and residue and can probably be used at higher concentration without problem in the exhaust system or plug fouling. I use Yamaha 2S at 50:1 or slightly higher concentration (lower ratio).

PS, if you really want to get onto 2-cycle oil stuff, go to [www.sea-doo.net] for one. The Vespa engine was built before much of the current 2-cycle oil technology. They can run rather hot but is not a high rpm high performance engine. In any case good 2-cycle oil protection is important.

50:1

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Edited 1 time(s). Last edit at 05/14/2010 03:54AM by Charlotte.