| MODEL | YAMAHA WR 450F BEN SPIES CUSTOM 2011 |
| Year | 2011 |
| Engine Type | Four stroke, DOHC, 5 titanium valves |
| Displacement / Capacity | 449 cc |
| Bore X Stroke | — |
| Compression Ratio | — |
| Cooling System | Liquid cooled |
| Max Power | — |
| Max Torque | — |
| Ignition | — |
| Induction | — |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | — |
| Clutch | — |
| Final Drive | — |
| CHASSIS SPECS | |
| Frame | Aluminium (YZ-derived) |
| Front Suspension | — |
| Rear Suspension | — |
| Front Brakes | — |
| Rear Brakes | — |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | — |
| Rear Tyre | — |
| FUEL SYSTEM | |
| Fuel Capacity | — |
| Fuel Consumption | — |
| Top Speed | — |
A one-off WR450F supermoto built by Roland Sands Design with Yamaha's GYTR accessory line for 2010 MotoGP Rookie of the Year Ben Spies, intended for his short everyday errands. It carried a range of GYTR and aftermarket performance parts on the stock 2011 chassis and was shown at the Long Beach motorcycle show.
