2021 KTM SX 450 SX-F

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2021 KTM 450 SX-F
The championship winning KTM 450 SX-F is a proven formula that is the industry benchmark. For 2021, this machine continues to deliver superior performance and easy handling. It features an extremely compact, single overhead camshaft cylinder head and together with the efficient electronic fuel injection, it pushes out an unrivalled 63hp in the most effective way possible. The KTM 450 SX-F is simply the fastest Motocross bike out on the track.

ENGINE
The 450 cc engine is the ultimate powerhouse when it comes to KTM's competitive motocross range. Its compact, lightweight design features a single overhead camshaft cylinder head, fueled by the latest electronic injection system. This enables the impressive power to be distributed extremely efficiently throughout the rev range. Even with its uper-beneficial electric starter, this model is still the lightest 450 cc engine on the MX market.

  • Status:
    New
  • Vehicle:
    2021 KTM 450 SX-F
  • VIN:
    VBKSXR438MM305918
  • Model Number:
    450 SX-F
  • Fuel Type:
    Gasoline
  • Engine:
    450cc, 4-Stroke, single cylinder SOHC, 4 valve, Single-Cylinder
  • Title:
    Clear
  • Location:
    Cascade Motorsports
  • Warranty:
    Manufacturer's

ENGINE

  • Bore (in):
    3.74
  • Bore (mm):
    95
  • Carburetion Brand:
    Keihin
  • Carburetion Type:
    Fuel Injected
  • Compression Ratio:
    12.8
  • Cooling:
    Liquid
  • Cylinders:
    1
  • Displacement (cc):
    449.9
  • Displacement (ci):
    27.4
  • Engine Stroke:
    4-Stroke
  • Engine Type:
    Single-Cylinder
  • Fuel Injector Size (mm):
    44
  • Fuel Injector:
    Yes
  • Fuel Requirements:
    Premium
  • Fuel Type:
    Gas
  • Horsepower (bhp):
    63
  • Horsepower (kW):
    47
  • Starter:
    Electric
  • Stroke (in):
    2.5
  • Stroke (mm):
    63.4
  • Valve Configuration:
    SOHC
  • Valves Per Cylinder:
    4
  • Valves:
    4

BRAKES

  • Brake Brand Name:
    Brembo®
  • Front Brake Diameter (in):
    10.2
  • Front Brake Diameter (mm):
    260
  • Front Brake Type:
    Hydraulic Disc
  • Rear Brake Diameter (in):
    8.7
  • Rear Brake Diameter (mm):
    220
  • Rear Brake Type:
    Hydraulic Disc

TRANSMISSION

  • Final Drive Ratio:
    3.69
  • Gear Ratio (1):
    2
  • Gear Ratio (2):
    1.67
  • Gear Ratio (3):
    1.4
  • Gear Ratio (4):
    1.18
  • Gear Ratio (5):
    1
  • Number Of Speeds:
    5
  • Primary Drive (Engine / Transmission):
    Gear
  • Primary Drive (Rear Wheel):
    Chain
  • Transmission Type:
    Manual

SUSPENSION

  • Front Adjustable Fork Pre-Load:
    Yes
  • Front Adjustable Rebound Damping:
    Yes
  • Front Suspension Brand Name:
    WP XACT
  • Front Suspension Size (in):
    1.9
  • Front Suspension Size (mm):
    48
  • Front Suspension Type:
    Inverted Fork
  • Front Travel (in):
    12.2
  • Front Travel (mm):
    310
  • Number Rear Shock Absorbers:
    1
  • Rear Adjustable Rebound Damping:
    Yes
  • Rear Adjustable Shock / Spring Pre-Load:
    Yes
  • Rear Suspension Brand Name:
    WP XACT
  • Rear Suspension Material:
    Aluminum
  • Rear Suspension Type:
    Twin Sided Swing Arm
  • Rear Travel (in):
    11.8
  • Rear Travel (mm):
    300

WHEELS & TIRES

  • Front Tire (Full Spec):
    Dunlop® GEOMAX MX3S 80/100 R21 51M
  • 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 MX3S 110/90 R19 62M
  • Rear Tire Aspect Ratio:
    90
  • Rear Tire Speed Rating:
    M
  • Rear Tire Width:
    110
  • Rear Wheel Diameter:
    19
  • Rear Wheel Width (in):
    2.15
  • Tire Brand:
    Dunlop®
  • Tube / Tubeless:
    Tubed
  • Wheels Composition:
    Aluminum

EXTERIOR

  • Body Material:
    Plastic
  • Chain Guard:
    Yes
  • Exhaust Guard:
    Yes
  • Foot Peg Location:
    Driver
  • Fork Guards:
    Yes
  • Frame:
    Chromium Molybdenum
  • Radiator Cover:
    Yes
  • Stand Type:
    Kick
  • Top Crown Material:
    Aluminum

SEATS

  • Number Of Seats:
    1
  • Seat Height (in):
    37.4
  • Seat Height (mm):
    950
  • Seat Location:
    Driver
  • Seat Material:
    Vinyl
  • Seat Type:
    One-Piece

STEERING

  • Steering Control:
    Handlebar

TECHNICAL SPECIFICATIONS

  • Dry Weight (kg):
    100
  • Dry Weight (lbs):
    220.5
  • Engine Displacement to Weight (cc):
    2.04
  • Fuel Capacity (gal):
    1.8
  • Fuel Capacity (l):
    7
  • Ground Clearance (in):
    14.6
  • Ground Clearance (mm):
    370
  • GVWR (kgs):
    335
  • GVWR (lbs):
    739
  • Wheelbase (in):
    58.5
  • Wheelbase (mm):
    1485

Our Location


Cascade Motorsports
20445 Cady Way
Bend, OR 97701