OP
@christopher_55934 avatar
UTC

Ossessionato
2007 Stella 225
Joined: UTC
Posts: 3547
Location: Rochester, Minnesota
 
Ossessionato
@christopher_55934 avatar
2007 Stella 225
Joined: UTC
Posts: 3547
Location: Rochester, Minnesota
UTC quote
I have a P200 with a SIP Road XL, not a bad exhaust just not great for a Pinasco 225, lower rpm touring setup 5800 rpm at 60mph. At least according to dyno graphs I have seen. Would like to try something with a lower RPM power peak. Such as a BGM touring or Polini, if I can't find something used to do a comparison, I'll probably try a Polini, less expensive.

How about a US source that may have one of these in stock?
@scooterist avatar
UTC

Molto Verboso
71' Sprint Veloce , 05' Vespa PX150, 1978 P200E
Joined: UTC
Posts: 1558
Location: Tucson, AZ
 
Molto Verboso
@scooterist avatar
71' Sprint Veloce , 05' Vespa PX150, 1978 P200E
Joined: UTC
Posts: 1558
Location: Tucson, AZ
UTC quote
I have a sito Plus or a Polini marmita that I just got 2 months ago that I can sell you. If you want a expansion chamber I also have a Simonini and a Polini.
OP
@christopher_55934 avatar
UTC

Ossessionato
2007 Stella 225
Joined: UTC
Posts: 3547
Location: Rochester, Minnesota
 
Ossessionato
@christopher_55934 avatar
2007 Stella 225
Joined: UTC
Posts: 3547
Location: Rochester, Minnesota
UTC quote
scooterist wrote:
I have a sito Plus or a Polini marmita that I just got 2 months ago that I can sell you. If you want a expansion chamber I also have a Simonini and a Polini.
Interested in Polini, would like to give one a try. I'll send you a message.
@scooterist avatar
UTC

Molto Verboso
71' Sprint Veloce , 05' Vespa PX150, 1978 P200E
Joined: UTC
Posts: 1558
Location: Tucson, AZ
 
Molto Verboso
@scooterist avatar
71' Sprint Veloce , 05' Vespa PX150, 1978 P200E
Joined: UTC
Posts: 1558
Location: Tucson, AZ
UTC quote
PM sent. It is ready to ship.
OP
@christopher_55934 avatar
UTC

Ossessionato
2007 Stella 225
Joined: UTC
Posts: 3547
Location: Rochester, Minnesota
 
Ossessionato
@christopher_55934 avatar
2007 Stella 225
Joined: UTC
Posts: 3547
Location: Rochester, Minnesota
UTC quote
Sent payment
@scooterist avatar
UTC

Molto Verboso
71' Sprint Veloce , 05' Vespa PX150, 1978 P200E
Joined: UTC
Posts: 1558
Location: Tucson, AZ
 
Molto Verboso
@scooterist avatar
71' Sprint Veloce , 05' Vespa PX150, 1978 P200E
Joined: UTC
Posts: 1558
Location: Tucson, AZ
UTC quote
^^ Got it (received). Will ship tomorrow 100%.
OP
@christopher_55934 avatar
UTC

Ossessionato
2007 Stella 225
Joined: UTC
Posts: 3547
Location: Rochester, Minnesota
 
Ossessionato
@christopher_55934 avatar
2007 Stella 225
Joined: UTC
Posts: 3547
Location: Rochester, Minnesota
UTC quote
Once I finish dialing in main jet on SIP Road XL exhaust, with reed valve. I'll get a GSF dyno run to see what that looks like. Then I can try a run with Polini and see what it looks like. That'll give me a good idea where I'm at. Should be able to use those two extremes to see if that's where I want to be.
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