Side-by-Side Comparison

Kawasaki KX 450 vs KTM 50 SX

Specs, mileage, performance & price compared in Christmas Island.

Kawasaki

Key Specifications

Kawasaki KX 450SpecKTM 50 SX

A$15,500PriceA$7,900

449Engine (cc)50

78Power (hp)7

—Torque (Nm)5

30.0Mileage (km/l)—

113Weight (kg)42

6Fuel Tank (L)2

9.2Rating9.2

Our Pick for Christmas Island

Kawasaki KX 450

Based on overall rating & value

Full Specifications

Basic Information

Kawasaki KX 450AttributeKTM 50 SX

4-stroke Single, Liquid-cooledEngine TypeSingle-cylinder, 2-stroke

ManualTransmission TypeAutomatic

Wet multi-disc, hydraulic actuationClutch TypeAdjustable centrifugal clutch

ChainDrive TypeChain

KawasakiBrandKTM

KX 450Model50 SX

Kawasaki KX 450Bike NameKTM 50 SX

2026Model Year2026

MotocrossCategory/TypeMotocross

JapanCountry of OriginAustria (KTM)

ImportedAssembly LocationN/A (Manufactured by KTM, Austria)

Available in Bangladesh via importersStatusAvailable

Lime GreenColors Available1 (KTM Orange)

12V, maintenance-freeBattery Type—

Motocross styleSeat TypeSingle

ODI Lock-On grips, adjustableHandle TypeTapered aluminum Ø 28/22/18 mm

Perimeter, aluminiumFrame TypeChrome-molybdenum steel central-tube frame

Aluminum perimeter swingarmSwingarm Type—

Engine & Performance

Kawasaki KX 450AttributeKTM 50 SX

449Displacement (cc)49.9

58.00Maximum Power—

62.1 hpPeak Power—

1Number of Cylinders1

DOHCValve Configuration—

4Valves Per Cylinder—

96.0Bore39.5 mm

62.1Stroke40.7 mm

96.0 x 62.1 mmBore x Stroke39.5 x 40.7 mm

12.5:1Compression Ratio—

Liquid CooledCooling SystemLiquid-cooled

Fuel injection: Ø 44 mm x 1Fuel Supply SystemDell'Orto PHBG 19 BS Carburetor

Digital DC-CDIIgnition SystemSeletra 2p D36

Single cylinderEngine Layout—

ElectricStarting SystemKickstarter

YesEngine Kill SwitchYes

HighPower-to-Weight Ratio—

Euro 5 / EquivalentEmission Standard—

YesPower Mode Indicator—

Fuel & Mileage

Kawasaki KX 450AttributeKTM 50 SX

6.2 litresFuel Tank Capacity2.3 L

30.0Average Mileage—

Performance & Speed

Kawasaki KX 450AttributeKTM 50 SX

120Top Speed—

YesLaunch Control—

Kawasaki TRaction Control (KTRC)Traction Control—

Transmission & Drive

Kawasaki KX 450AttributeKTM 50 SX

5Number of Gears1

1-N-2-3-4-5Gear Pattern—

1st: 1.750, 2nd: 1.412, 3rd: 1.188, 4th: 1.000, 5th: 0.875Gear Ratios—

2.727 (60/22)Primary Drive33:61

ChainFinal DriveChain 415

ChainDrive Chain/Belt Type415, Non-sealed Chain

Dimensions & Weight

Kawasaki KX 450AttributeKTM 50 SX

2180 mmOverall Length1026

820 mmOverall Width—

1270 mmOverall Height—

1480 mmWheelbase1026 mm

345 mmGround Clearance233 mm

960 mmSeat Height653 mm

112.6 kgKerb Weight42.5 kg

112Gross Weight—

Brakes & Safety

Kawasaki KX 450AttributeKTM 50 SX

Single semi-floating petal disc, Brembo dual-piston caliperFront Brake TypeDisc brake

Single petal disc, single-piston caliperRear Brake TypeDisc brake

270 mmFront Brake Size160 mm

240 mmRear Brake Size160 mm

N/A (motocross bike)ABS Type—

Suspension & Handling

Kawasaki KX 450AttributeKTM 50 SX

49 mm inverted telescopic fork with adjustable compression and rebound dampingFront Suspension TypeWP XACT 35 mm Upside-Down fork

New Uni-Trak with adjustable dual-range compression damping, rebound damping and preloadRear Suspension TypeWP XACT monoshock

305 mmFront Suspension Travel200 mm

307 mmRear Suspension Travel190 mm

Yes (handlebar, clutch lever)Adjustable ControlsYes (Suspension, Handlebar, Subframe, Bodywork)

Excellent (designed for motocross terrain)Climbing Ability—

Wheels & Tires

Kawasaki KX 450AttributeKTM 50 SX

80/100-21 51MFront Tyre Size60/100-12

120/80-19 63MRear Tyre Size2.75 x 10

21Front Wheel Size121

19Rear Wheel Size101

TubelessTyre TypeTube, Off-road knobby

DunlopTyre BrandMaxxis MX-ST or Dunlop Geomax MX53

SpokeWheel TypeSpoked wheels

AluminumWheel MaterialAluminum rims

Electrical & Battery

Kawasaki KX 450AttributeKTM 50 SX

12.0Battery Voltage—

YesBattery Removable—

Lighting & Display

Kawasaki KX 450AttributeKTM 50 SX

N/A (motocross bike)Headlight Type—

Minimal (motocross style)Display Type—

Technology & Features

Kawasaki KX 450AttributeKTM 50 SX

Rideology The App (supported)Mobile Connectivity—

Power Modes, Kawasaki TRaction Control (KTRC), Launch Control ModeRiding Modes—

Comfort & Ergonomics

Kawasaki KX 450AttributeKTM 50 SX

NoPillion Seat—

NoPillion Footrest—

NoPillion Grab Rails—

Standard motocrossFootpeg Position—

Kawasaki KX 450 vs KTM 50 SX: Which one should you buy in Christmas Island?

The Kawasaki KX 450 and KTM 50 SX are two popular motorcycles in Christmas Island. This side-by-side comparison covers engine, power, torque, mileage, top speed and weight so you can decide which one fits your riding style and budget. Better values are highlighted in the spec table above. Use the full specifications section to compare every technical detail before making your purchase decision.

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