That makes sense given the circumstances, but when it gets to the stage where they are having to prioritise when to run it due to unreliability, surely it's time for a replacement? (And I'm not talking about replacing it with a pay-extra game, an actual ride please!)
If Samurai offered something unique then I would understand the reasoning for Thorpe keeping it, but better Topscans can be found both at fairs and parks across the UK, and Samurai seems to have been limping along for years now.