2013 KTM 450 SX-F vs 2011 Yamaha YZ450F

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2013 KTM 450 SX-F 2013 KTM 450 SX-F

Cross / motocross

Engine
Single cylinder, four-stroke
Power
N/A
Top Speed
N/A
Weight
234.1 pounds
2011 Yamaha YZ450F 2011 Yamaha YZ450F

Cross / motocross

Engine
Titanium valves
Power
N/A
Top Speed
N/A
Weight
245.0 pounds
Full Specifications
General
ColoursOrange/blackWhite/Red, Team Yamaha Blue/White)
Warranty-30 Day (Limited Factory Warranty)
Dimensions
Ground Clearance (in.)14.8 inches15.0 inches
Ground Clearance (mm)375 mm381 mm
Seat Height992 mm / 39.1 in.998 mm / 39.3 in.
Wheelbase1,495 mm / 58.9 in.1,491 mm / 58.7 in.
Height1,140 mm / 44.9 in.1,311 mm / 51.6 in.
Length2,090 mm / 82.3 in.2,192 mm / 86.3 in.
Width830 mm / 32.7 in.823 mm / 32.4 in.
Weights & Capacities
Oil Capacity (l)-1.20 litres
Oil Capacity (Quarts)-0.08 quarts
Dry Weight106.2 kg / 234.1 lbs-
Fuel Capacity7.50 litres / 1.98 gallons6.17 litres / 1.63 gallons
Wet Weight-111.1 kg / 245.0 lbs
Performance
Mods from previous model-New clutch lever and pushrod for more consistent clutch feel during long motos.
Max Torque9.20 Nm (0.9 kgf-m or 6.8 ft.lbs) @ 7000 Revolutions-
Power-to-Weight Ratio0.0815 HP/kg-
Engine
Displacement (cc)449.30 cc449.00 cc
Bore x Stroke (mm)95.0 x 63.4 mm97.0 x 60.8 mm
Engine TypeSingle cylinder, four-strokeSingle cylinder, four-stroke
Fuel ControlSingle Overhead Cams (SOHC)DOHC
Bore x Stroke (in,)3.7 x 2.5 inches3.8 x 2.4 inches
Displacement (ci)27.42 cubic inches27.40 cubic inches
Engine Detail-Titanium valves
Fuel SystemCarburettorInjection. Yamaha Fuel Injection (YFI), Keihin 44mm
Compression Ratio10.6:112.5:1
Engine LubricationPressure circulation lubrication with two Eaton pumpsDry sump
IgnitionContactless controlled fully electronic ignition with digital ignition adjustmentCDI
StarterElectricElectric
Valve System24
Drivetrain
ClutchMultidisc clutch in oil bath/hydraulically activated-
Final DriveChainChain
Gearbox4-speed5-speed
Primary Drive5/8 x 1/42WD; Sealed O-Ring Chain, Eccentric Adjustment
Chassis
Frame TypeCentral tubular frame made from chrome molybdenum steel tubes-
Suspension - FrontWP ?Suspension Up Side Down 4860 MXMA CCKYB Speed-Sensitive System, inverted fork: fully adjustable, 12.2-in travel
Suspension - RearWP ?Suspension 5018 BAVP DCCKYB Fully adjustable single shock
Rake26.5°-
Wheel Travel - Front205 mm / 8.1 in.-
Wheel Travel - Rear185 mm / 7.3 in.315 mm / 12.4 in.
Electrical Systems
Lighting system-Dual 30W Krypton multireflector Headlights and 3.9/0.5W LED Brake light
Wheels & Brakes
Brakes - Rear Diameter (mm)210 mm245 mm
Brakes - Rear Diameter (in.)8.3 inches9.6 inches
Brakes - Front Diameter (mm)220 mm250 mm
Brakes - Front Diameter (in.)8.7 inches9.8 inches
Brakes - FrontSingle disc. Four-piston calipers.Single disc
Brakes - RearSingle disc. Two-piston calipers.Single disc
Tyres - Front100/80-1780/100-21
Tyres - Rear110/80-17120/80-19

Verdict

Winner on specs

2011 Yamaha YZ450F

The 2011 Yamaha YZ450F edges out the 2013 KTM 450 SX-F thanks to its fuel injection and higher rear wheel travel. Specifications are one part of the picture - dealer support, parts availability, and intended use all matter too.

Key Differences

2013 KTM 450 SX-F - Advantages

  • Competitive all-round: The 2013 KTM 450 SX-F matches or exceeds its rival across all measured criteria.

2011 Yamaha YZ450F - Advantages

  • Fuel injection: Precise fuelling, better cold-start reliability, and lower maintenance requirements.
  • More rear wheel travel: 315 mm vs 185 mm - absorbs bigger hits and rough terrain better.

2013 KTM 450 SX-F vs 2011 Yamaha YZ450F - FAQs

Which should I buy, the 2013 KTM 450 SX-F or the 2011 Yamaha YZ450F?
Both are strong choices. The 2013 KTM 450 SX-F has its own strengths, while the 2011 Yamaha YZ450F stands out for fuel injection and higher rear wheel travel. Visit dealers, arrange test rides, and factor in local parts and service costs - these often matter as much as the spec sheet.