Only thing against it is it's an X ( Phase 1 ). there are some silly rumours about these as a couple have failed due to a lack of float in the crank end bearing which was revised in the phase two. Ohter than that You should expect £5k or just under.

The going rate for a private sold Y plate phase 2 circa 20k in mint condition is about £5k with full history etc. Try advertising it at £4900 as it sounds much cheaper than £5000, silly but it does