[QUOTE="Pip"] 'blinks' I've never heard of it before, but it seems to be a well-respected tome.[/QUOTE] I've copied a couple of relevant pages James Bond style (the book is pretty hefty and won't fit on my scanner) - unfortunately it doesn't really help except to say this is by the side of the road fix if you have a spare spring. [URL]http://www.sweller.co.uk/docs/guzzologypagesv11.zip[/URL] [15MB] The book Guzziology is *very* useful. I got mine direct from the author Dave Richardson - he seemed a nice fellow. He owns Moto International, Seattle - drop them an email. the book is now version 7. [URL]http://www.motointernational.com/main.htm[/URL]