Being a single this may be easier, on most twins and fours the camchain runs in the centre and hence cannot be replaced easier without splitting the chain or removing the crank.
On a single ir sits on the side of the engine. The SRX chain can be replaced by removing the alternator from the flywheel, the rocker box and chamshaft, in theory the engine could stay in the frame. The XBR may be different, but worth looking into.