MotoSpecs

2009 Honda CRF 450X Specifications

Enduro / Off-Road • Specs last verified 13 July 2026

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2009 Honda CRF 450X Overview

The 2009 Honda CRF 450X is an enduro / off-road motorcycle built around 449 cc of displacement. Under the tank sits a Single cylinder engine running SOHC valve actuation, a compression ratio of 12.0:1. The bore and stroke measures 96 x 62.1 mm. From a practical standpoint, the 2009 CRF 450X tips the scales at 122 kg, carries a 7.19-litre fuel tank, offers a seat height of 963 mm and spans a 1,478 mm wheelbase. That's roughly 76.8 kg lighter than the average enduro / off-road motorcycle in our database. Scroll down for the complete 2009 Honda CRF 450X spec sheet covering every technical detail from suspension travel to tyre sizes.

2009 CRF 450X - Pros & Cons

Strengths

  • Factory engineering: The 2009 Honda CRF 450X represents Honda's engineering at the time, with a specification built around real-world usability.

Considerations

  • Carburetor fuelling: Carbureted engines need occasional jetting attention and can be reluctant in cold weather or at altitude compared to modern fuel-injected alternatives.
  • Tall seat height: The 963 mm seat height will challenge shorter riders - tiptoeing at low speeds is something to factor into your decision.
  • Modest fuel capacity: The 7.19-litre tank means more frequent fuel stops on longer rides, which is worth planning around on touring routes.
  • Chain final drive upkeep: Chain final drive needs regular cleaning, lubrication and tension checks to get full life out of the sprockets.

Wear Points & Servicing Notes

Carburetor maintenance

The CRF 450X uses carburetion rather than fuel injection, which means jetting is altitude- and temperature-sensitive and benefits from a clean-and-rejet after extended storage or an exhaust change.

Valve clearance checks

SOHC valve actuation on the CRF 450X means clearances should be checked at the manufacturer's specified interval - they can tighten as mileage accumulates, and a light top-end tick is usually the first sign.

Brake disc and pad wear

The Double disc front brake gives strong, progressive stopping power. Disc thickness and pad depth are worth checking at every tyre change, since worn pads can score the disc surface.

Suspension condition on used examples

Up front, the CRF 450X runs 47.0mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability and Pro-Link Showa single-shock with spring preload, 13-position [low-speed] and 3.5-turn [high-speed] compression damping and 17-position rebound damping adjustability at the rear. On a used example, check fork seals for weeping oil and test the rear linkage for play - seals are a relatively cheap fix but useful when negotiating price.

Final drive maintenance

Final drive is by chain - expect to clean and lube it every few hundred kilometres and check tension regularly; a neglected chain wears the sprockets faster than the chain itself.

Low-speed handling

At just 122 kg, the CRF 450X is light enough to manhandle easily at a standstill - one of the practical advantages of its class.

CRF 450X - Buying & Maintenance Guide

What to check before buying

When inspecting a used 2009 Honda CRF 450X, start with the basics: check the service book for oil change frequency, inspect the chain and sprockets for wear, and look for oil seepage around the engine casings and rocker covers. A cold start test is invaluable - a well-maintained CRF 450X should fire up cleanly and settle to a smooth idle within a few seconds.

Oil and filter changes

Regular oil changes are the single most important maintenance task on any CRF 450X. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. Always use the correct viscosity grade as specified in the owner's manual.

Carburetor upkeep

Keep the carburetors clean and free of deposits. If the CRF 450X has been stored, strip and clean the carb float bowls before attempting to start it. Pilot jets are the first to block and the last to be checked - always include them in any carb rebuild.

Valve clearance service

Check that valve clearances have been adjusted at the correct intervals on any used CRF 450X. A bike with clearances out of spec doesn't always feel obviously wrong - but tight clearances accelerate valve seat wear. Ask for service documentation proving it's been done.

2009 Honda CRF 450X - Frequently Asked Questions

What engine does the 2009 Honda CRF 450X have?
The 2009 Honda CRF 450X uses a Single cylinder engine with 449 cc of displacement.
How much does the 2009 Honda CRF 450X weigh?
The 2009 Honda CRF 450X weighs 122 kg. This is the manufacturer's wet figure.
What is the fuel tank capacity of the 2009 Honda CRF 450X?
The 2009 Honda CRF 450X has a 7.19-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 119-143 km between stops.
Is the 2009 Honda CRF 450X suitable for shorter riders?
The 2009 Honda CRF 450X has a seat height of 963 mm. This is towards the tall end of the spectrum and will require most riders under 175 cm to tiptoe at stops.
What brakes does the 2009 Honda CRF 450X have?
The 2009 Honda CRF 450X uses Double disc at the front and Single disc at the rear.
What tyre sizes does the 2009 Honda CRF 450X use?
The 2009 Honda CRF 450X runs 80/21-21 front and 110/18-18 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
What fuel system does the 2009 Honda CRF 450X use?
The 2009 Honda CRF 450X uses Carburettor. 40.0mm Keihin™ flat-slide, providing precise fuelling across the rev range and reliable cold-start behaviour.

Honda CRF 450X Spec Evolution

The Honda CRF 450X was produced across 17 model years (2005-2023). The table below highlights the key specifications that changed across the production run - useful whether you are comparing years or tracking down a specific variant.

Specification 2005 2006 2007 2008 2009 2010 2011 2012 2014 2016 2017 2018 2019 2020 2021 2022 2023
Wet Weight - - - - 122.0 kg / 269.0 lbs 122.0 kg / 269.0 lbs 122.0 kg / 269.0 lbs 122.0 kg / 269.0 lbs 122 kg / 269 lbs 122 kg / 269 lbs 122.0 kg / 269.0 lbs 122.0 kg / 269.0 lbs 122.0 kg / 269.0 lbs 124.7 kg / 275.0 lbs 124.7 kg / 275.0 lbs 124.7 kg / 275.0 lbs 124.7 kg / 275.0 lbs
Dry Weight 99.1 kg / 218.5 lbs 113.4 kg / 250.0 lbs 113.4 kg / 250.0 lbs 122 kg / 269.0 lbs - - - 88 kg / 194.0 lbs - - - - - - - - -
Engine Detail - - - - - - - Unicam&reg, four-valve, 35mm intake valve, 30mm exhaust valve Four stroke, single cylinder, DOHC, 4 valves Titanium Intake Valves Titanium Intake Valves 35mm intake valve, 30mm exhaust valve 35mm intake valve, 30mm exhaust valve 35mm intake valve, 30mm exhaust valve - - -
Engine Type Single cylinder Single cylinder Single cylinder Single cylinder Single cylinder Single cylinder, four-stroke Single cylinder, four-stroke Single cylinder, four-stroke Single cylinder, four-stroke Single cylinder, four-stroke Single cylinder, four-stroke Single cylinder, four-stroke Single cylinder, four-stroke Single cylinder, four-stroke Single cylinder, four-stroke Single cylinder, four-stroke Single cylinder, four-stroke
Seat Height 955 mm / 37.6 in. 963 mm / 37.9 in. 963 mm / 37.9 in. 963 mm / 37.9 in. 963 mm / 37.9 in. 963 mm / 37.9 in. 963 mm / 37.9 in. 963 mm / 37.9 in. 963 mm / 37.9 in 963 mm / 37.9 in 963 mm / 37.9 in. 963 mm / 37.9 in. 963 mm / 37.9 in. 950 mm / 37.4 in. 963 mm / 37.9 in. 963 mm / 37.9 in. 963 mm / 37.9 in.
Fuel Capacity 7.19 litres / 1.90 gallons 8.59 litres / 2.27 gallons - 7.19 litres / 1.90 gallons 7.19 litres / 1.90 gallons 7.19 litres / 1.90 gallons 7.19 litres / 1.90 gallons 7.19 litres / 1.90 gallons 7.19 litres / 1.90 gallons 7.19 litres / 1.90 gallons 7.19 litres / 1.90 gallons 7.19 litres / 1.90 gallons 7.57 litres / 2.00 US gallons 7.61 litres / 2.01 US gallons 7.61 litres / 2.01 US gallons 7.61 litres / 2.01 US gallons 7.61 litres / 2.01 US gallons
Bore x Stroke (mm) 96.0 x 62.0 mm 96.0 x 62.0 mm 96.0 x 62.0 mm 96.0 x 62.1 mm 96.0 x 62.1 mm 96.0 x 62.0 mm 96.0 x 62.0 mm 96.0 x 62.0 mm 96.0 x 62.0 mm 96.0 x 62.0 mm 96.0 x 62.0 mm 96.0 x 62.0 mm 96.0 x 62.0 mm 96.0 x 62.0 mm 96.0 x 62.1 mm 96.0 x 62.1 mm 96.0 x 62.1 mm
Comments - - - - - - - French brand. Model ID: CRF450X Model ID: CRF450X. Model ID: CRF450X. Model ID: CRF450X. Model ID: CRF450X. Model ID: CRF450X. Model ID: CRF450X. Model ID: CRF450X. Model ID: CRF450X.

Key Specifications

Engine

Single cylinder

Power

Not published by manufacturer

Torque

Not published by manufacturer

Top Speed

Not published by manufacturer

Weight

122.0 kg / 269.0 lbs

Fuel Capacity

7.19 litres / 1.90 gallons

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Full 2009 Honda CRF 450X Specifications

Colours Red
Ground Clearance (in.) 13.6 inches
Ground Clearance (mm) 345 mm
Seat Height 963 mm / 37.9 in.
Wheelbase 1,478 mm / 58.2 in.
Fuel Capacity 7.19 litres / 1.90 gallons
Wet Weight 122.0 kg / 269.0 lbs
Bore x Stroke (in,) 3.8 x 2.4 inches
Bore x Stroke (mm) 96.0 x 62.1 mm
Displacement (cc) 449.00 cc
Displacement (ci) 27.40 cubic inches
Engine Type Single cylinder
Fuel Control SOHC
Stroke 4
Fuel System Carburettor. 40.0mm Keihin™ flat-slide
Compression Ratio 12.0:1
Ignition CD
Final Drive Chain
Gearbox 5-speed
Suspension - Front 47.0mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability
Suspension - Rear Pro-Link Showa single-shock with spring preload, 13-position [low-speed] and 3.5-turn [high-speed] compression damping and 17-position rebound damping adjustability
Rake 27.1°
Trail 115 mm / 4.5 in.
Wheel Travel - Front 315 mm / 12.4 in.
Wheel Travel - Rear 315 mm / 12.4 in.
Brakes - Front Double disc
Brakes - Rear Single disc
Tyres - Front 80/21-21
Tyres - Rear 110/18-18

Specifications are compiled from manufacturer documentation and cross-referenced technical sources, and corrected on an ongoing basis. Spot an error? Let us know.

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