VOLUME ISSUE FEBRUARY , P77
2023 KAWASAKI KX450SR ($12,699)
ENGINE TYPE: 4-stroke, single
DISPLACEMENT: 449cc
BORE X STROKE: 96.0 x 62.1mm
COMPRESSION RATIO: 12.5:1
VALVETRAIN: 4-valve, DOHC
COOLING SYSTEM: Liquid
STARTING SYSTEM: Electric
FUELING: Fuel Injection w/44mm Keihin throttle body
TRANSMISSION: 5-speed, w/hydraulic clutch
EXHAUST: Pro Circuit Ti-6 Full System
FRAME: Aluminum perimeter
HANDLEBAR: Renthal Fatbar
FRONT SUSPENSION: 49mm Showa w/coatings
REAR SUSPENSION: Showa Monoshock with linkage
FRONT WHEEL: 21 in.
REAR WHEEL: 19 in.
FRONT TIRE: Dunlop Geomax MX-33
REAR TIRE: Dunlop Geomax MX-33
FRONT BRAKE: Single semi-floating 270mm Braking
petal disc with dual-piston caliper
REAR BRAKE: Single 250mm Braking petal disc
with single-piston caliper
TRIPLE CLAMP: X-trig ROCS, Split
WHEELBASE: 58.5 in
SEAT HEIGHT: 37.6 in.
GROUND CLEARANCE: 13.4 in.
FUEL CAPACITY: 1.64 gal.
WEIGHT (DRY, CLAIMED): 233.2 lbs.
S P E C I F I C AT I O N S
make the bike even more responsive than the stan-
dard KX while retaining that easy-to-ride character
we enjoy from the current generation of KX450s.
In the suspension department, the new Showa
fork is noticeably stiffer than the standard's fork, but
in a good way. Compared to the standard's softer
setting, the SR's fork offers better hold-up in the
chop and helps make the bike sit up nicely while you
flow through the corners. We utilized two test riders
on this day, and they both preferred going two softer
on compression and two clicks stiffer on the re
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