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I have one side of a fork here. Not sure if its for a 250 or a 150.
Its aprox 17 inches long . It looks to be new and unused . Any idea what it might be worth ?
will c

It is always best to get a matched crankcase set when building an engine from the ground up like you just did. That is true not only for a GY6 but also a Vespa aswell (like for my P200E project ) . Each crankcase has its own little things particular to the set. If you split them up and buy seperate halfs , your asking for trouble !! They may not match up like a complete set would have.
will c.

One more bit ! Welcome to the forum !! If you have any questions (even the ones you think are dumb) ask them here and we will do our best to help or point you in the right direction. Our technical section has a huge amount of easy to follow guides to help you track down whats causing you a headache on your scoot !!

will

It should be ok to use . I ran it in my previous scoot .
will c.

Here is one more picture that shows the difference of cylinder bolts holes on the Vespa P200 crankcase when compared to a Vespa VLB1M ( Sprint 150)crankcase . The bolt holes are digonal instead of horizontal like on the VLB1M crankcase (left picture) .

Now that I have had my Stella 2T for almost 9 months. I have decided to do a complete engine build up. This time I am thinking way out of the box . 200CC !! The Rally 200, P200E and PX200 engines were the largest engines Piaggio made for their Vespa 2 cycle scoots. Original production started in the early 70's and ended with the PX200 Series in the 80's . Funny thing is that they used the same crankcase model markings ( VSE1M) for all 3 series engines . The crankcase serial numbers were varied aswell between the 3 200cc engine series . The frame markings that the engines went into was VSX marked . The original Rally 200 engines used a set of points. Later on they were upgraded to a ducati style electronic ignition system . So far I have the crankcase and some of the smaller parts . I hope to have this completed by next spring (or as funds permit) . My crankcase is a late 70's Rally 200 according to the markings on it . It doesn't have the auto oil injection feature . Piaggio made both an injected and a non injected crankcase for the Rally 200 Series . The later P200E and PX200E went with the oil injection system if I am correct (I could be wrong ) . The crankcases have what looks like 3 ports .On the stock crankcases only the top port is used (see my added diagram ) . The Rally 200 crankcase mold was originally made from a stock Vespa 150cc engine mold with the upper part of the mold modified for the 200cc cylinder and additional port .That may explain why there are 3 ports and only one used on the stock 200cc crankcases. Tho I am doing this the hardway I am doing it to learn . Thats all for the moment . Updates will be posted as my project progresses.
Cheers !
Will c.













shows clutch plates


These go inside the cluster gear seen below.