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@eenie816 avatar
UTC

Addicted
'65 sprint, '75 primavera, '01 et4
Joined: UTC
Posts: 1003
Location: birmingham, al
 
Addicted
@eenie816 avatar
'65 sprint, '75 primavera, '01 et4
Joined: UTC
Posts: 1003
Location: birmingham, al
UTC quote
what kind of performance should i expect from from sito on my et4? i've had mine on for about a month and i really don't see any difference from the stock exhaust. i put a sito on my stella too and i did notice a big change in the low to mid range and a little on the top end and i was expecting something similar when i put the et4 sito on, a lot more pickup with maybe a few more mph on the top end, but i don't see it at all. :?
@gogogordy avatar
UTC

Veni, Vidi, Posti
Reprehensible Misinformant
Joined: UTC
Posts: 7573
Location: Winchester, California
 
Veni, Vidi, Posti
@gogogordy avatar
Reprehensible Misinformant
Joined: UTC
Posts: 7573
Location: Winchester, California
UTC quote
Re: et4 sito plus performance
eenie816 wrote:
what kind of performance should i expect from from sito on my et4? i've had mine on for about a month and i really don't see any difference from the stock exhaust. i put a sito on my stella too and i did notice a big change in the low to mid range and a little on the top end and i was expecting something similar when i put the et4 sito on, a lot more pickup with maybe a few more mph on the top end, but i don't see it at all. :?
It should be a different story on your Stella, being a 2 stroker, BUT the only difference I noticed on my ET-4 was a slight improvement in fuel economy....
@hayes avatar
UTC

Molto Verboso
2005 vespa px125 (sold) + 1998 Yamaha XJ600N
Joined: UTC
Posts: 1258
Location: Belgium
 
Molto Verboso
@hayes avatar
2005 vespa px125 (sold) + 1998 Yamaha XJ600N
Joined: UTC
Posts: 1258
Location: Belgium
UTC quote
I've been looking at the Sito Plus too for my px125. My vespa dealer says it won't make that much a difference if I don't take a bigger cylinder.

Anyone has experience with Sito Plus on 2-strokes?
@collbain2000 avatar
UTC

Hooked
2004 Vespa ET4
Joined: UTC
Posts: 242
Location: Toronto, ON
 
Hooked
@collbain2000 avatar
2004 Vespa ET4
Joined: UTC
Posts: 242
Location: Toronto, ON
UTC quote
Hayes wrote:
Anyone has experience with Sito Plus on 2-strokes?
I put a Sito on my stock PX125 a few years back. A noticeable difference in low and mid acceleration and no difference to top end. A much different sound too, louder and lower. Don't expect any major power gain, it was small for me, but I was pleased with the cost vs. gain.

I'm also very interested in others' experiences with the Sito on an ET4, as I am considering one this season.

Cheerio,
@elvis avatar
UTC

Member
2006 Vespa LX150
Joined: UTC
Posts: 42
Location: San Pedro, CA
 
Member
@elvis avatar
2006 Vespa LX150
Joined: UTC
Posts: 42
Location: San Pedro, CA
UTC quote
I just put a Sito Plus on my LX150 and have found a bit more acceleration in the mid range as well and a little bit more on the top end or maybe that was the wind...ha ha. Yeah nice sound, not too loud like the Scorpion that I tried out before and the Sito was a cinch to install all by myself. Good buy good ride.
@progetto_300 avatar
UTC

Molto Verboso
2010 GTS 300 SUPER
Joined: UTC
Posts: 1524
Location: Belgium
 
Molto Verboso
@progetto_300 avatar
2010 GTS 300 SUPER
Joined: UTC
Posts: 1524
Location: Belgium
UTC quote
A little bit more...
Personally I think that if you want a little more, spend little more and go for the PM 56 SS or the Scorpion or Tiforce exhaust.
I've a PM 56 SS wich looks and sounds great. It also gives you a 33% performance increase. (says PM)
When i bolted it on my Vespa LX 125 it instantly went 10 KM/h faster.
Look at https://www.pmtuning.co.uk/index2.htm
Click "pro street tuning" -> a bit more for the ET
Pictures of my bike here :
http://www.flickr.com/photos/79447989@N00/88156032/
@solid_steel avatar
UTC

Addicted
Vespa GT & Vespa LX
Joined: UTC
Posts: 517
Location: Southend-on-Sea, UK
 
Addicted
@solid_steel avatar
Vespa GT & Vespa LX
Joined: UTC
Posts: 517
Location: Southend-on-Sea, UK
UTC quote
We have the Sito Plus on an LX125..

Looks original, sounds good, bit lighter than the original & seems to go a bit better..

Our LX125 sits at 60-65 on the flat (indicated), more down hill & will hold 60 into a wind..

Tests on stock 125s seem to suggest that an indicated 60 is it.. so maybe another 5+ mph I guess...
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