Remember blokes...
The OP has a 650 not a 1000.
I've had that sort of mileage out of all the rear tyres on my K6 wee. Pilot Road 1's, anakee 2, K60s and Mitas e-07.
I find on a 1000cc adventure bike expect around 5-7k from a rear depending on how it's ridden.
A vee ridden in anger could toast a Road 5 in under 4k easily.