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2025 Kawasaki KX™ 450X

$10,699 MSRP
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Engine

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

Brakes

  • Front Brake Type:
    Disc
  • Front Brake Diameter (in):
    10.6
  • Front Brake Diameter (mm):
    270
  • Rear Brake Type:
    Disc
  • Rear Brake Diameter (in):
    9.4
  • Rear Brake Diameter (mm):
    240

Carburetion

  • Carburetion Brand:
    Keihin
  • Fuel Injector:
    Yes
  • Fuel Injector Size (mm):
    44
  • Carburetion Type:
    Fuel Injected

Dimensions

  • Length (in):
    85.6
  • Length (mm):
    2174.2
  • Width (in):
    32.1
  • Width (mm):
    815.3
  • Height (in):
    49.6
  • Height (mm):
    1259.8
  • Wheelbase (in):
    58.3
  • Wheelbase (mm):
    1480.8
  • Ground Clearance (in):
    13.2
  • Ground Clearance (mm):
    335.3
  • Length (ft):
    7.13
  • Length (ft/ft):
    7
  • Length (ft/in):
    1.6

Other

  • Fuel Capacity (gal):
    1.64
  • Fuel Capacity (l):
    6.2
  • Frame:
    Aluminum
  • Body Material:
    Plastic
  • Side Cover:
    Yes
  • Engine Case Guard:
    Yes
  • Fork Guards:
    Yes
  • Exhaust Guard:
    Yes
  • Foot Peg Location:
    Driver
  • Adjustable:
    Yes
  • Front Suspension Type:
    Inverted Fork
  • Front Suspension Size (in):
    1.9
  • Front Suspension Size (mm):
    49
  • Front Travel (in):
    12
  • Front Travel (mm):
    304.8
  • Front Adjustable Rebound Damping:
    Yes
  • Front Suspension Brand Name:
    Showa®
  • SysModelID:
    155220
  • MfrModelID:
    KX450NSFNN
  • Year:
    2025
  • Manufacturer:
    Kawasaki
  • Model Name:
    KX™
  • Trim Name:
    450X
  • Family Name:
    KX™
  • Product Type:
    Motorcycle / Scooter
  • Manufacturer Type:
    Full-Size Cross Country
  • Generic Type (Primary):
    Off-Road
  • Manufacturer Country:
    Japan
  • Photo Name:
    2025_Kawasaki_KX_450X.jpg
  • Major Revision Year:
    2024
  • Revision Status:
    Carryover
  • Competitor Code:
    MOT25OAI000
  • Introduction Year:
    2021
  • SysTrimId:
    549740
  • SysMakeId:
    3
  • IsCurrent:
    Yes
  • Historical ID:
    499168
  • Data Provider:
    CRS
  • Parent Company:
    Kawasaki
  • Display Name:
    KX™450X
  • Currency:
    US Dollars
  • Destination Charge:
    450
  • Rear Suspension Type:
    Twin Sided Swing Arm
  • Rear Travel (in):
    12.1
  • Rear Travel (mm):
    307.3
  • Rear Adjustable Shock / Spring Pre-Load:
    Yes
  • Rear Adjustable Rebound Damping:
    Yes
  • Number Rear Shock Absorbers:
    1
  • Rear Suspension Brand Name:
    UNI-TRAK®
  • Rear Suspension Material:
    Aluminum
  • Seat Type:
    One-Piece
  • Seat Material:
    Vinyl
  • Seat Location:
    Driver
  • Seat Height (in):
    37.4
  • Seat Height (mm):
    950
  • Number Of Seats:
    1
  • Stand Type:
    Kick
  • Steering Control:
    Handlebar
  • Tire Brand:
    Dunlop®
  • Front Tire Width:
    80
  • Front Tire Aspect Ratio:
    100
  • Front Tire Speed Rating:
    M
  • Front Wheel Diameter:
    21
  • Rear Tire Width:
    120
  • Rear Tire Aspect Ratio:
    80
  • Rear Tire Speed Rating:
    M
  • Rear Wheel Diameter:
    18
  • Front Tire (Full Spec):
    Dunlop® Geomax AT18F: 80/100-21 51M
  • Rear Tire (Full Spec):
    Dunlop® Geomax AT18 120/80-18 65M
  • Mobile App Instrumentation:
    Yes
  • Wheels Composition:
    Aluminum
  • Tube / Tubeless:
    Tubed
  • Front Wheel Width (in):
    1.6
  • Rear Wheel Width (in):
    2.15

Our Location

Jacksonville Powersports
10290 Atlantic Blvd
Jacksonville, FL 32225