Gusto: Throttle response is remarkable on the 2014 YZ250F. The throttle felt connected to the rear wheel.
Forward-thinking: The rearward-slanting engine is all new.
we developed a bike that would work in conjunction with
our downdraft EFI design that has huge potential now
and for the future. We believe that the competition will
eventually reach a limit with the conventional EFI layout.”
Q: HOW DOES THE 2014 YAMAHA YZ250F
COMPARE TO LAST YEAR’S MODEL ON THE
A: The 2014 YZ250F stomps the yard. Yamaha has
managed to join the esteemed 40-plus-horsepower club.
Along with the KTM 250SXF ( 42. 89 ponies) and Kawasaki
KX250F ( 41. 16 ponies), the YZ250F, at 40. 61 horsepower,
is in the mix among the powermongers.
This is a huge step forward for Yamaha. To compare,
the 2013 YZ250F produced a measly 37. 13 ponies at
11,500 rpm with 19. 55 foot-pounds of torque. The 2014
engine pumps out 40. 61 ponies at 12, 100 rpm with 20. 28
foot-pounds of torque. Such a remarkable improvement
can be attributed to the new cylinder head, engine
architecture, layout, camshafts, EFI, piston and
Q: HOW FAST IS THE 2014 YZ250F?
A: Let’s take a walk down memory lane and remind
you what we said about the 2013 YZ250F: “The engine
is a warhorse. It is bulletproof. But why shouldn’t it be?
It’s not stressed enough.” Simply stated, the old YZ250F
powerplant lacked the zest and speed to keep pace with
other bikes on the track.
Yamaha went back to the drawing board. Their