Thanks for the advice and posts to my original post. 
Getting to know the bike a little better now and completed the following jobs 
New gear box oil - Motul 5100 10w 40 
Drain plug seems new and substantial 
New Iridien plug 
New front wheel bearings 
New front brake pads 
Drained old fuel and new added 
Removed middle box and ground sharp casing corner off 
Drive chain removed, clened and gresed 
Clutch and brake lever end play adjusted 
Air filter cleaned and lightly oiled but I am going to fit a new one as soon as I can get one. 
. 
Phew, have I missed antything?  
Bike certainly starts easily.