dont buy one of these

[cezeta]

http://cgi.ebay.co.uk/LAMBRETTA-BETTER- ... 519a1c2ace

i bought one years ago, fitted it to my mark 2 zephyr with v8 and broke down 100 yards later. hit it with a hammer to see what was inside to find its two self tapping screws and a washer that rattles between them. utter rubbish

[Bilko]

I heard about these being more like a pipe bomb than an engine aid.