Try our new info resource - "Aladdin's Cave" (Main menu)Just added a separate link to Ash's Dropbox thread (shortcut)
I recently got a dating cert, Honda were very helpful,it cost £30 inc VAT, send your request to Honda (UK) Cain Rd Bracknell BerksRG12 1HL 01344-888000 as you only have an engine number,it may be a no-go, give them a call first