(1) Primary changes include a thorough revision of the intake and fuel
( 2) Suzuki’s Holeshot Assist Control
(S-HAC) has been updated.
( 3) New cylinder head port shape
increases tumble flow by 25 percent.
( 4) Larger air-filter aperture.
( 5) Change of injector direction to
improve combustion efficiency and
( 6) A higher fuel-pump pressure is
used to improve throttle response.
( 7) Throttle body has been updated.
( 8) A rib has been added to the
piston for greater strength to support
( 9) The frame and swingarm are
( 10) The wheelbase is shorter, head
pipe point is 10mm backwards and
handlebar position 7mm forwards.
( 11) New Showa BFRC rear shock.
( 12) New 49mm Showa coil-spring
forks. The SFF-TAC air fork is history
on the RM-Z450.
( 13) The RM--Z450 comes with
Bridgestone Battlecross X30 tires.
( 14) The seat weight has been
reduced by 246 grams.
( 15) The gas tank material has been
changed from aluminum to resin to
( 16) The rear-brake master cylinder
has been updated.
( 17) The rims and upper triple
clamp have been lightened.
( 18) Chain guide has been updated.
( 19) The plastic has a new look with
the design keyword “Beak DNA.”
( 20) Larger front brake disc. ❏