Cloudy day at first, but cheered up and became sunny after lunch.
Called in at Pillings Lock Marina Engineering, and they were able to do the 250 hour service. Didn't need to change the air filter. £100 all in. Used a PelaPump to extract the oil through the dipstick tube.
Tied up just above Mountsorrel Lock.
10.3 miles, 5 locks (inc 1 flood lock open), 8 engine hours