it's an interesting comparison when you dig into the numbers. The Kawi has the Fox shocks and great warranty plus that strong V-Twin. The Viking has 3 seats, the Yamaha Ultramatic CVT, and apparently they've got the 700 single running strong....
I'll leave it to you
Kawasaki Teryx:
Engine: 783cc Liquid-cooled, 90-degree, four-stroke V-twin, SOHC, four valves per cylinder
L:117.3 in
W: 61.6 in
H: 74.8 in
Clearance: 11 in
Towing: 1300 lbs
Cargo: 600 lbs
Yamaha Viking:
Engine:686cc liquid-cooled w/fan, 4-stroke; SOHC, 4 valves
L: 122 in
W: 61.8 in
H: 74.1 in
Clearance: 11.8 in
Towing: 1500 lb
Cargo: 600 lb
I'll leave it to you
Kawasaki Teryx:

Engine: 783cc Liquid-cooled, 90-degree, four-stroke V-twin, SOHC, four valves per cylinder
L:117.3 in
W: 61.6 in
H: 74.8 in
Clearance: 11 in
Towing: 1300 lbs
Cargo: 600 lbs
Yamaha Viking:

Engine:686cc liquid-cooled w/fan, 4-stroke; SOHC, 4 valves
L: 122 in
W: 61.8 in
H: 74.1 in
Clearance: 11.8 in
Towing: 1500 lb
Cargo: 600 lb