Is that model Number actually XC 52144? If it is, we do have access to a Parts List and Owner Manual. From that, it looks to me that it has two drive chains. Rover calls these the 'gearbox chain' and 'axle chain'.
Did you purchase the chain as a Rover spare part, or just as cut-to-length chain?
Cheers, Gadge
"ODK Mods can explain it to you, but they can't understand it for you..."
"Crazy can be medicated, ignorance can be educated - but there is no cure for stupid..."