David Mattern's primary bike

Water cooled, 1198cc, 90° V-twin, DOHC

Buy type: New
Power: 161.79 HP (119 kW) @ 9500 rpm
Torque: 127.5 Nm (94.04 lb-ft) @ 8000 rpm (cranksh)
Dry weight: 476.2 lbs
Category: All-rounder
Tags: Sports Touring, Touring

Mods of this Ducati Diavel Strada

It looks like this biker didn't make any changes on his bike.

David Mattern's other bike

2009 KTM - 300 EXC

Water cooled, 297cc, Single, 2-stroke, Reed valve