1000 or 900 for UTV tour company?

I own a enduro motorcycle tour company in Costa Rica.We do week long tours.
I have been using my XP 900 as a on trail support vehicle for 4 years now.

It has been amazing , but unreliable, the biggest problem being the wheel bearings, sometimes I put a new one before the tour and lasts 4 days only.

Im considering starting UTV tours, was debating between the 1,000 or 900S.How good are the new 900s? How reliable is the 1,000?

Here one section of a ride.