| Have the belts been changed before you started commuting on it?
If the bike has been stored for 10 years (even properly) and the belts haven't been changed it's almost certain that they've become 'set' around their resting position over that time and could jump on the pulleys. The likelihood is that, if this happens, your pistons and valves will meet in a very expensive collision which will do heaps of damage to your engine.
If the bike is 10 years old the belts may even be the ones with white writing on them and not the latest kevlar reinforced ones - which have red writing on them. If they're white writing ones or even red kevlar reinforced ones that have stood for some time change them before you even start the bike again.
Sorry to be negative but I would hate to see an engine written off before it's even run in. | 
Jools
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