2021 Kawasaki KX KX450X

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POWER

  • Engine4-stroke single, DOHC, liquid-cooled
  • Displacement249cc
  • Bore x Stroke78.0 x 52.2mm
  • Compression Ratio14.1:1
  • Fuel SystemDFI® with 44mm Keihin throttle body and dual injectors
  • IgnitionDigital CDI
  • Transmission5-speed, return shift, with wet multi-disc manual clutch
  • Final DriveChain
     

PERFORMANCE

  • Front Suspension / Wheel Travel48mm inverted telescopic coil spring fork with 23-way compression damping and 20-way rebound damping /12.4 in
  • Rear Suspension / Wheel TravelUni-Trak® with dual-range (2.25 turns high speed/21-way low-speed) compression damping, 38-way rebound damping and adjustable preload/12.4 in
  • Front Tire80/100-21
  • Rear Tire110/100-18
  • Front BrakesSingle semi-floating 270mm Braking® petal disc with dual-piston caliper
  • Rear BrakesSingle 240mm Braking® petal disc with single-piston caliper
     

DETAILS

  • Frame TypeAluminum perimeter
  • Rake/Trail27.8/4.8 in
  • Overall Length85.4 in
  • Overall Width32.3 in
  • Overall Height49.6 in
  • Ground Clearance13.0 in
  • Seat Height37.2 in
  • Curb Weight230.2 lb without fuel / 240.2 lb**
  • Fuel Capacity1.64 gal
  • Wheelbase58.3 in
  • Color ChoicesLime Green
  • Status:
    New
  • Vehicle:
    2021 Kawasaki KX450X
  • Model Number:
    KX450KMFNN
  • Fuel Type:
    Gasoline
  • Engine:
    450cc, 4-Stroke, single cylinder DOHC, 4 valve, Single-Cylinder
  • Transmission:
    Manual
  • Location:
    Hebeler Sales & Service, Lockport, NY 14094
  • Warranty:
    Manufacturer's w/ Extended Available

ENGINE

  • Bore (in):
    3.78
  • Bore (mm):
    96
  • Carburetion Brand:
    Keihin
  • Carburetion Type:
    Fuel Injected
  • Compression Ratio:
    12.5
  • Cooling:
    Liquid
  • Cylinders:
    1
  • Displacement (cc):
    449
  • Displacement (ci):
    27.4
  • Engine Stroke:
    4-Stroke
  • Engine Type:
    Single-Cylinder
  • Fuel Injector Size (mm):
    44
  • Fuel Injector:
    Yes
  • Fuel Requirements:
    Regular
  • Fuel Type:
    Gas
  • Starter:
    Electric
  • Stroke (in):
    2.45
  • Stroke (mm):
    62.1
  • Valve Configuration:
    DOHC
  • Valves Per Cylinder:
    4
  • Valves:
    4

BRAKES

  • Front Brake Diameter (in):
    10.6
  • Front Brake Diameter (mm):
    270
  • Front Brake Type:
    Disc
  • Rear Brake Diameter (in):
    9.8
  • Rear Brake Diameter (mm):
    250
  • Rear Brake Type:
    Disc

TRANSMISSION

  • Number Of Speeds:
    5
  • Primary Drive (Rear Wheel):
    Chain
  • Transmission Type:
    Manual

SUSPENSION

  • Front Adjustable Rebound Damping:
    Yes
  • Front Suspension Brand Name:
    Showa®
  • Front Suspension Size (in):
    1.9
  • Front Suspension Size (mm):
    49
  • Front Suspension Type:
    Inverted Fork
  • Front Travel (in):
    12
  • Front Travel (mm):
    304.8
  • Number Rear Shock Absorbers:
    1
  • Rear Adjustable Rebound Damping:
    Yes
  • Rear Adjustable Shock / Spring Pre-Load:
    Yes
  • Rear Suspension Brand Name:
    UNI-TRAK®
  • Rear Suspension Material:
    Aluminum
  • Rear Suspension Type:
    Twin Sided Swing Arm
  • Rear Travel (in):
    12.1
  • Rear Travel (mm):
    307.3

WHEELS & TIRES

  • Front Tire (Full Spec):
    Dunlop® Geomax AT18F
  • Front Tire Aspect Ratio:
    100
  • Front Tire Speed Rating:
    M
  • Front Tire Width:
    80
  • Front Wheel Diameter:
    21
  • Front Wheel Width (in):
    1.6
  • Rear Tire (Full Spec):
    Dunlop® Geomax AT18 120/90-18 65M
  • Rear Tire Aspect Ratio:
    90
  • Rear Tire Speed Rating:
    M
  • Rear Tire Width:
    120
  • Rear Wheel Diameter:
    18
  • Rear Wheel Width (in):
    2.15
  • Tire Brand:
    Dunlop®
  • Tube / Tubeless:
    Tubed
  • Wheels Composition:
    Aluminum

EXTERIOR

  • Adjustable:
    Yes
  • Body Material:
    Plastic
  • Engine Case Guard:
    Yes
  • Exhaust Guard:
    Yes
  • Foot Peg Location:
    Driver
  • Fork Guards:
    Yes
  • Frame:
    Aluminum
  • Side Cover:
    Yes
  • Stand Type:
    Kick

SEATS

  • Number Of Seats:
    1
  • Seat Height (in):
    37.6
  • Seat Height (mm):
    955
  • Seat Location:
    Driver
  • Seat Material:
    Vinyl
  • Seat Type:
    One-Piece

STEERING

  • Steering Control:
    Handlebar

TECHNICAL SPECIFICATIONS

  • Dry Weight (kg):
    107
  • Dry Weight (lbs):
    235.8
  • Engine Displacement to Weight (cc):
    1.93
  • Fuel Capacity (gal):
    1.64
  • Fuel Capacity (l):
    6.2
  • Ground Clearance (in):
    13.2
  • Ground Clearance (mm):
    335.3
  • Height (in):
    49.8
  • Height (mm):
    1264.9
  • Length (ft):
    7.17
  • Length (ft/ft):
    7
  • Length (ft/in):
    2
  • Length (in):
    86
  • Length (mm):
    2184.4
  • Wet Weight (kg):
    111.6
  • Wet Weight (lbs):
    246
  • Wheelbase (in):
    58.5
  • Wheelbase (mm):
    1485.9
  • Width (in):
    32.3
  • Width (mm):
    820.4

Our Location


Hebeler Sales & Service
6466 Main Road
Lockport, NY 14094

Reasonable efforts are made to keep information on this website accurate, but Dealer and/or its affiliates do not assume responsibility for omissions or for misprints or other errors displayed on this website. EPA mileage estimates are for newly manufactured vehicles only, so actual mileage will depend on how the vehicle is driven and maintained.