2007 Honda CRF450R vs 2011 Yamaha YZ450F

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2007 Honda CRF450R 2007 Honda CRF450R

Cross / motocross

Engine
Single cylinder
Power
N/A
Top Speed
N/A
Weight
99.1 kg / 218.5 lbs
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
ColoursRedWhite/Red, Team Yamaha Blue/White)
Warranty-30 Day (Limited Factory Warranty)
Dimensions
Ground Clearance (mm)340 mm381 mm
Ground Clearance (in.)13.4 inches15.0 inches
Seat Height955 mm / 37.6 in.998 mm / 39.3 in.
Wheelbase1,491 mm / 58.7 in.1,491 mm / 58.7 in.
Height-1,311 mm / 51.6 in.
Length-2,192 mm / 86.3 in.
Width-823 mm / 32.4 in.
Weights & Capacities
Oil Capacity (l)-1.20 litres
Oil Capacity (Quarts)-0.08 quarts
Dry Weight99.1 kg / 218.5 lbs-
Fuel Capacity7.19 litres / 1.90 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.
Engine
Fuel Control-DOHC
Displacement (cc)449.00 cc449.00 cc
Displacement (ci)27.40 cubic inches27.40 cubic inches
Stroke4-
Engine TypeSingle cylinderSingle cylinder, four-stroke
Bore x Stroke (mm)96.0 x 62.1 mm97.0 x 60.8 mm
Bore x Stroke (in,)3.8 x 2.4 inches3.8 x 2.4 inches
Engine Detail-Titanium valves
Fuel SystemCarburettor. Keihin 40mm flat-slideInjection. Yamaha Fuel Injection (YFI), Keihin 44mm
Compression Ratio12.0:112.5:1
Engine Lubrication-Dry sump
IgnitionCD with electronic advanceCDI
Starter-Electric
Valve System44
Drivetrain
Final DriveChainChain
Gearbox5-speed5-speed
Primary Drive-2WD; Sealed O-Ring Chain, Eccentric Adjustment
Chassis
Suspension - Front47mm inverted Showa cartridge fork with 16-position rebound- and 16-position compression-damping adjustabilityKYB Speed-Sensitive System, inverted fork: fully adjustable, 12.2-in travel
Suspension - RearPro-Link Showa single shock with spring-preload, 17-position rebound-damping adjustability, and compression-damping adjustment separated into low speed (13 positions) and high-speed (3.5 turns)KYB Fully adjustable single shock
Rake26.8°-
Trail109 mm / 4.3 in.-
Wheel Travel - Front315 mm / 12.4 in.-
Wheel Travel - Rear318 mm / 12.5 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 - Front Diameter (in.)9.4 inches9.8 inches
Brakes - Front Diameter (mm)240 mm250 mm
Brakes - Rear Diameter (in.)9.4 inches9.6 inches
Brakes - Rear Diameter (mm)240 mm245 mm
Brakes - FrontSingle discSingle disc
Brakes - RearSingle discSingle disc
Tyres - Front80/0-2180/100-21
Tyres - Rear100/90-19120/80-19

Verdict

Winner on specs

2011 Yamaha YZ450F

The 2011 Yamaha YZ450F edges out the 2007 Honda CRF450R thanks to its fuel injection and greater ground clearance. Specifications are one part of the picture - dealer support, parts availability, and intended use all matter too.

Key Differences

2007 Honda CRF450R - Advantages

  • Lower seat height: 955 mm vs 998 mm - accessible to a wider range of rider heights.

2011 Yamaha YZ450F - Advantages

  • Fuel injection: Precise fuelling, better cold-start reliability, and lower maintenance requirements.
  • More ground clearance: 381 mm vs 340 mm - better clearance over rocks and obstacles.

2007 Honda CRF450R vs 2011 Yamaha YZ450F - FAQs

What are the engine differences between the 2007 Honda CRF450R and 2011 Yamaha YZ450F?
The 2007 Honda CRF450R uses Single cylinder, while the 2011 Yamaha YZ450F is powered by Single cylinder, four-stroke.
Which bike is better for shorter riders, the 2007 Honda CRF450R or the 2011 Yamaha YZ450F?
The 2007 Honda CRF450R has the lower seat at 955 mm, making it more accessible. The 2011 Yamaha YZ450F sits higher at 998 mm. A seat height below 800 mm suits most riders; above 820 mm shorter riders may need to tiptoe.
Which should I buy, the 2007 Honda CRF450R or the 2011 Yamaha YZ450F?
Both are strong choices. The 2007 Honda CRF450R has the edge in lower seat height, while the 2011 Yamaha YZ450F stands out for fuel injection and greater ground clearance. Visit dealers, arrange test rides, and factor in local parts and service costs - these often matter as much as the spec sheet.