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2020 Kawasaki KX™ 450

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Details

EXPERIENCE IS THE BEST ENGINEER

Decades of championship-winning experience, that is. With more 450-class championships than any other manufacturer, we’ve more than proven the KX™450 motorcycle time and time again. With a machine this legendary, the podium has never been closer.

RACE-READY SUSPENSION

Take the lead with proven race-winning performance. A 49mm Showa Coil Spring Front Fork with A-KIT Technology complements the rear Uni-Trak® suspension system. This highly adjustable suspension package delivers smooth action, firm damping and contributes to optimal traction.

HYDRAULIC CLUTCH & ELECTRIC START

Experience direct feel and light lever action that maintains consistent clutch actuation, even as engine temperatures rise. Power is at your fingertips with easy, reliable electric starting. A lithium-ion battery ensures strong and reliable starting performance.

CHASSIS & ERGONOMICS

Feel the race-winning advantage of the Kawasaki KX™450 motorcycle’s lean chassis. A rigid and lightweight aluminum perimeter frame contributes to agile handling while EGRO-FIT® handlebar and footpeg adjustability lets you tailor your ride to your preference.

POWERFUL ENGINE

Crafted with the same design used by Kawasaki factory race teams, the 449cc engine produces broad torque and strong, responsive power across the rev range.

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):
    9.8
  • Rear Brake Diameter (mm):
    250

Carburetion

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

Dimensions

  • Length (in):
    86
  • Length (mm):
    2184.4
  • Width (in):
    32.7
  • Width (mm):
    830.6
  • Height (in):
    50.2
  • Height (mm):
    1275.1
  • Wheelbase (in):
    58.5
  • Wheelbase (mm):
    1485.9
  • Ground Clearance (in):
    13.4
  • Ground Clearance (mm):
    340.4
  • Length (ft):
    7.17
  • Length (ft/ft):
    7
  • Length (ft/in):
    2

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:
    97652
  • MfrModelID:
    KX450JLF
  • Year:
    2020
  • Manufacturer:
    Kawasaki
  • Model Name:
    KX™
  • Trim Name:
    450
  • Family Name:
    KX™
  • Product Type:
    Motorcycle / Scooter
  • Manufacturer Type:
    Motocross
  • Generic Type (Primary):
    Off-Road
  • Manufacturer Country:
    Japan
  • Photo Name:
    2020_Kawasaki_KX_450.jpg
  • Major Revision Year:
    2019
  • Revision Status:
    Carryover
  • Competitor Code:
    MOT20OAI000
  • Introduction Year:
    2006
  • SysTrimId:
    290471
  • SysMakeId:
    3
  • Historical ID:
    240792
  • Data Provider:
    CRS
  • Parent Company:
    Kawasaki
  • Display Name:
    KX™450
  • Engine Displacement to Weight (cc):
    1.93
  • Currency:
    US Dollars
  • Destination Charge:
    410
  • 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):
    37.6
  • Seat Height (mm):
    955
  • 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:
    19
  • Front Tire (Full Spec):
    Dunlop® Geomax MX3SF: 80/100-21 51M
  • Rear Tire (Full Spec):
    Dunlop® Geomax MX3S: 120/80-19 63M
  • Wheels Composition:
    Aluminum
  • Tube / Tubeless:
    Tubed
  • Front Wheel Width (in):
    1.6
  • Rear Wheel Width (in):
    2.15

Our Location

Ehlerding Motorsports
5525 State Road 930
Fort Wayne, IN 46803