I have a 2005 plated (bought new in 2008) Johnson 9.9hp 4 stroke (identical to Suzuki) available. It's mint. 1 owner. Done less than 20 hours from new. Just back from major service. Short shaft, tiller control. Retail around £1250 in it's current condition.
This is the model which can be updated to 15hp by having it's restriction kit removed.
I'm in Cornwall (Saltash) too. What kind of deal would you suggest ?
I can do full cash, part ex or sell yours for you etc. Let me know your thoughts.
My email is firstname.lastname@example.org
if you want to send me pictures and details of your suggested offer.