Hey MV,
I tore into the 150 and the cylinder walls have seen better days. Found this kit on eBay from India, anyone know if it'll work or not?
http://www.ebay.com/itm/Vespa-VBB-VLB-VBA-Bajaj-Chetak-2-Port-Cylinder-Piston-Kit-Brand-New-MGE-/251583409286?hash=item3a938a2c86:g:wrsAAOSwE3BXFcyq&vxp=mtr
I know I could bore out the cylinder, but if $70 will get a new top end, then..?