By my reckoning the new price for that setup is around £1500.
From a quick look on boats and outboards:
I suspect you may not get much more than 1/2 that
You may find that the inclusion of lifejackets / radio / fishfinder does not add much to the value of the package, and they are worth more sold separately.
It's also worth considering where the best place to sell it is - I suspect on B&O and Ebay it will only sell if it is at a giveaway price, maybe a local paper would be an option?