Big Moby Engine

OK, so I have a couple of mopeds which have Motobecane AV7 engines in them.

Well one has a hybrid Raleigh/ Motobecane one but that's not relevant..

It's widely known that these engines are easy to 'tune

with loads of options available.A quick search on the internet will

throw up hundreds of tunning bits and pieces, so let's start...