
May need a new one, any pointers as to where I should look? Ebay have got them but I'm a little taken back at the price considering that they are not OEM.
rectifier for what?
if that is all you need, then buy 6 diodes, assuming it is for a 3-phase car alternator.
regulator is a bit more complex £££
Give that man a fifty! 
Can I come too?
quote:
Lots of dirty women in my local pub on a Thursday night mind as its karaoke night!!!
You do not have to use a BUSA regulator, BECs have 3 phase regulators, so three yellow wires from the generator to teh regulator.
I have horrors of horrors a ducati one on my blade engine, its been fine and cost £5 on ebay.
Just get one with a large heat sink, make sure its not 6 volts!
Thanks Mark! 
I used these guys (who are local to me)
electrex busa bits
The benefit is that these are new bits, so might last a bit longer.
Matt