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Nicht beantwortet PX200 stage 3/4 with SiP Road exhaust - SiP advice please - La Rocca maybe ??


Letzter Beitrag Mi, Apr 20 2011 3:27 von heggie. 30 Antworten.
  • Fr, Mrz 11 2011 0:51

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    PX200 stage 3/4 with SiP Road exhaust - SiP advice please - La Rocca maybe ??


    I have got a PX200 1997 elestart and the following work / parts have been done  /added:-

    MMW high compression cylinder head

    SiP Road exhaust

    Mazzuchelli Race Crankshaft

    Exhaust port raised by 1.5mm, and widened /centralised by 6.5mm ( 2 + 4.5), transfer ports cleaned and very slightly enlarged. Piston windows cut to suit, similar to Autisa spec.

    Standard Si24/24E carb with air filter ( 3mm hole above jet stack)

    21 deg timing

     

    You've guessed it, I am hoping for advice as to likely jetting - no porting has been done to the crank case inlet at all. I currently have got a 132 main in there and have only run the scooter for around 25 miles at moderate speeds so far to shakedown the rebuild and do all the re-torques etc.

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  • Fr, Mrz 11 2011 10:28 Antwort zu

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    Re: PX200 stage 3/4 with SiP Road exhaust - SiP advice please - La Rocca maybe ??


    Also carb , airbox and crank case external inlet port matched

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  • Fr, Mrz 18 2011 21:34 Antwort zu

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    Re: PX200 stage 3/4 with SiP Road exhaust - SiP advice please - La Rocca maybe ??


    anyone ? SiP techs ?  . . . . . . . . . . . .Confused

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  • So, Mrz 20 2011 15:05 Antwort zu

    Re: PX200 stage 3/4 with SiP Road exhaust - SiP advice please - La Rocca maybe ??


    hamer,

    good luck trying to get a sip tech to help - i never seem to get answers. maybe they're just trying to catch up. :) i've been trying to get a complete parts list with part numbers for the gts 12" conversion for my stella 2t and more info about the water cooled p200 head since before the internet was invented.

    www.scoot.net has a jetting base that you could try. or, you could post something over there.

    do you have a big bore cylinder kit on it? i didn't see that listed?

    hope that points you in the right direction. later...

    p.s. i love the orange on the px!

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  • Mo, Mrz 21 2011 12:08 Antwort zu

    AW: Re: PX200 stage 3/4 with SiP Road exhaust - SiP advice please - La Rocca maybe ??


    Hi,

     

     try this:

     

    if you have a self mixing one the right jetting is:

     

    190

    BE3

    132

    55/140

     

    w/o mix

     

     

    190

    BE4

    130

    50/140

     

     

    regards

     

     

    Like my service? You can select me, by ordering, as your preferred customer consultant in the webshop.

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  • Do, Mrz 24 2011 10:04 Antwort zu

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    Re: AW: Re: PX200 stage 3/4 with SiP Road exhaust - SiP advice please - La Rocca maybe ??


    Heggie,

    Thanks for the kind comments dude, the orange PX was in its original Piaggio Red (go figure eh) and died a sad and horrible death last year almost taking me with it Wink and I am now just about back on the road with a 1997 Electricstart PX200. The cylinder is stock but has been ported and the piston cut to match. Its tuning on a budget but should be good for a genuine cruising speed of 70mph and a top end of maybe 77/78mph.

    Cheers,

    Steve

     

     

    Tech guy,

    I thank you for the guide

    I have been adjusting and have got quite near to that spec so am really happy with that.

    danke shoen,

    Steve

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  • Do, Mrz 24 2011 19:26 Antwort zu

    Re: AW: Re: PX200 stage 3/4 with SiP Road exhaust - SiP advice please - La Rocca maybe ??


     

    hamer,

    glad to hear you're almost back on the road!(the new px200 sounds great.) - take it easy with her. and, R.I.P. orange px. [:'(]

    later, heggie

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  • Fr, Mrz 25 2011 11:31 Antwort zu

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    Re: AW: Re: PX200 stage 3/4 with SiP Road exhaust - SiP advice please - La Rocca maybe ??


    Thanks mate, the orange P200E was the love of my scootering life, I've had all sorts of Vespa, Lambretta and BSA scooters but only one stood out like the P2 - I hope this latest one will fill the gap and grow on me a little.

     

    Tech Guy - I can't see that size slow running jet listed ?

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  • Fr, Mrz 25 2011 12:40 Antwort zu

    Re: AW: Re: PX200 stage 3/4 with SiP Road exhaust - SiP advice please - La Rocca maybe ??


    hamer,

    i didn't see a 55/140 either. only found 52/140 # 40265214 and 50/140 # 40265014 .

    good luck. heggie

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  • Fr, Mrz 25 2011 14:38 Antwort zu

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    Re: AW: Re: PX200 stage 3/4 with SiP Road exhaust - SiP advice please - La Rocca maybe ??


    Have got a 52/140 and a 50/120 so should be able to find a compromise.

    I'll let you guys know how it goes ok ?

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  • Fr, Mrz 25 2011 18:01 Antwort zu

    Re: AW: Re: PX200 stage 3/4 with SiP Road exhaust - SiP advice please - La Rocca maybe ??


    cool. if that don't work, maybe try a 50/140. (sip has that size.) later...

     

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  • So, Mrz 27 2011 14:16 Antwort zu

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    Re: AW: Re: PX200 stage 3/4 with SiP Road exhaust - SiP advice please - La Rocca maybe ??


    Scooters !!!! Grrrrrrrrr

    have got all the jets I need and am well on the way to setting it up when the bike starts running really erratically - test everything, then strip bits off can't see why. strip more bits off and nothing, strip yet more bits off and find a crack in my crankcases. Its obviously been welded before and hidden but its gone again and I think they are not worth repairing. Picking up new cases later and start again  grrrrrrr

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  • So, Mrz 27 2011 16:15 Antwort zu

    Re: AW: Re: PX200 stage 3/4 with SiP Road exhaust - SiP advice please - La Rocca maybe ??


    hamer,

    sorry to read the bad news. so much for "tuning on a budget". hopefully all the bad will go away when you get her back on the road. keep us updated..

    heggie

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  • So, Mrz 27 2011 17:43 Antwort zu

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    Re: AW: Re: PX200 stage 3/4 with SiP Road exhaust - SiP advice please - La Rocca maybe ??


    Its just as well I did not go and buy a full blown kit for the bike as well mate, at least this way I had some cash to get the casings in ! I got lucky today and bought a set of NOS electricstart P2 casings for £170 sterling, so it could have been worse. I need the reliability as its going to be my daily transport and also my plans for another tour of northen France are too far advanced to pull out now Wink

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  • Mi, Mrz 30 2011 3:30 Antwort zu

    Re: AW: Re: PX200 stage 3/4 with SiP Road exhaust - SiP advice please - La Rocca maybe ??


    hamer,

    i'll try to put in a good word with ALL the big guys and girls via prayer for you. keep us updated.

    later... heggie

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