OP
UTC

Lurker
'84 P150S
Joined: UTC
Posts: 1
Location: Bali
 
Lurker
'84 P150S
Joined: UTC
Posts: 1
Location: Bali
UTC quote
I'm in Indonesia and have brought a Vespa. As I understand it the PS model is only sold in the Indonesian market but it is very similar to the PX models of the same vintage.
I have stripped the body in preparation to paint in the original colour and I have disassembled the engine. I found the block or casing to be 3 port but the cylinder is only a 2 port in standard bore of 57mm. While there are plenty of spare parts, both standard and aftermarket here I am considering either a standard 57mm 3 port cylinder with the original head or buying an aftermarket 63 or 64mm big bore kit which are 5 port. I could also re-bore the cylinder that I removed and fit a new oversize piston.
I'm not after a performance modified engine but just to install the correct components to maximise the power while retaining the reliability.
Any comments/advise, thanks all
@xantufrog avatar
UTC

Moderibbit
1980 P200E - "Old Rusty", 1976 ET3 Primavera
Joined: UTC
Posts: 8892
Location: Atlanta, GA
 
Moderibbit
@xantufrog avatar
1980 P200E - "Old Rusty", 1976 ET3 Primavera
Joined: UTC
Posts: 8892
Location: Atlanta, GA
UTC quote
Moved to Not-So-Modern where the classic bike gurus hang
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