Who knows about Villiers 11E's?

[Bob Purton]

Hi all, Who can answer me this. Is it possible to change the barrel and piston to upgrade an 11E from 197 to 250cc? I know it can be done with a 31a as I owned a Bond that had this convertion, Mike S  also knows as I flogged it to him! Any Villiers experts out there?

[Grant Kearney]

Yes an 11E can be fitted with a 250 barrel and piston but it will need a decompressor so the dynastart will turn it over.  Also there is the problem of cooling as the 11E is needs the steels shrouds fitted (unless it

[Bob Purton]

Thanks for the info scootacar. Now, who has a 250 barrel to sell me and a head with a decompressor?