List price is 17,800 but saw a guy who said he'd gotten his for about 16,800 total, iirc. (not sure if that was with or without 京B plate.)
On their website, they're advertising it as a competitor to the Suzuki GW250, I'm not qualified to comment on that claim.

s_20150813122019.jpg

http://www.benellimotor.com/product_inner3.php?id=155

(google translate of their site w/ some edits)
The main parameters of the engine:
Four-stroke single cylinder / double overhead camshaft
Bore X Stroke: 72.0mmX61.2mm
Displacement 249cc
Compression ratio 11.2: 1
Maximum horsepower 18KW / 9000rpm
Maximum torque 21.0N · m / 7000rpm
Transmission chain drive fuel supply electronic fuel injection system the way
braking system [front] disc / hand brake, [rear] disc / drum / foot brake
Length X width X height 2040mm x 800mm x 1095mm
Wheelbase 1370mm
Tire [Front] 100 / 80-17
[rear] 130 / 70-17
Seat height
Curb Weight 155kg
Fuel tank capacity 17.0L
Maximum speed 138km / h