Hi I originally posted this
about trying to get my newly fitted pinasco to run right.
but after months of playing around I still have no joy.
I have left the vespa in the garage and have been using my lammy, but now I have decided to get this pinaco problem sorted.
I have been right through this forum reading every post on pinasco kits and have come away more confused than before.
So far I have read:
The feel of the engine is a bit fluffy, it feels a bit lean as though its hanging on to the the revs although not a lot, acceleration is ok but it tops out at 65mph and the performance is not as sparkling as i would have expected, I am being left by standard P2’s!
I am using the pinsco exhaust, standard carb, 120 main jet (although I have tried larger), and drilled air filter.
I have adjusted the timing, but nothing seems to feel right (would i need to file the slots for further adjusment?).
I tried to check the squish but the solder didnt crush so I assume its over 2mm.
The kit I am using is the newer one with the two piston rings and doesnt require a cylinder head gasket, would this need machining to bring the squish down to about 1.5mm or do i use a very thin base gasket?
Lastly is it only the main jet I need to change, in previous posts I have read about changing emulsion tubes (?) and air correctors and slow running jets.
I would love to get it set up on a dyno but there is not one near me (Gt Yarmouth, east anglia) so I am stuck with good old fashioned tinkering.
I have also got a scorpion exhaust I could use as well.
I dont race or ride my scooter at a constant top speed but I do attend rallies when I can and would like a good touring speed or at least be able to keep up with traffic on dual carrage ways (70mph).
Please help I am that close to selling it and buying another Lammy!!