What engine does the 2011 Honda CRF450X have?

It has a 449 cc, liquid-cooled, carbureted four-stroke single-cylinder engine with SOHC and four valves.

How much suspension travel does the 2011 Honda CRF450X have?

It has 12.4 in of travel at both the front and rear.

Does the 2011 Honda CRF450X have electric start?

Yes. It has electric starting and a primary kickstarter.

How many gears does the 2011 Honda CRF450X have?

It has a wide-ratio five-speed transmission.

What size tires does the 2011 Honda CRF450X use?

80/100-21 front and 110/100-18 rear.

What chain and sprockets does the 2011 Honda CRF450X use?

A 520 chain on a 13-tooth front and 51-tooth rear sprocket.

Is the 2011 Honda CRF450X different from the 2009 model?

None of the main specs changed from the 2009 model.

Honda CRF450X 2011

Advanced · 7/10

Trail / Enduro / Racing / Desert Racing

449cc

4-stroke

269lb

Curb weight

37.9in

Seat height

12.4in

Front travel

5spd

Gearbox

2011 Honda CRF450X overview

Where it ridesRace-ready

Street—
TrailTrail
WoodsEnduro
Rocks—
DesertDesert Racing
Track—

The 2011 Honda CRF450X is a 449 cc four-stroke enduro dirt bike with a carburetor, liquid cooling, a SOHC four-valve single-cylinder engine and a wide-ratio five-speed transmission. It has electric starting with a primary kickstarter, a 1.9 gal fuel capacity and a 269-pound curb weight. Suspension combines a 47 mm Showa inverted fork and Pro-Link rear suspension, each with 12.4 in of travel. Standard equipment includes a three-piece skid plate and engine guard, headlight, LED taillight, removable sidestand and resettable three-digit odometer.

Who it's for

This bike is suited to experienced riders looking for a large-displacement machine for trails, enduro riding, racing or desert riding. Its 449 cc four-stroke engine, 269-pound curb weight and 37.9 in seat height make it a substantial bike to manage, particularly on tight or uneven trails. The electric starter and primary kickstarter offer two starting options, while the wide-ratio five-speed transmission fits varied off-road terrain.

Quick facts

The 2011 Honda CRF450X has a 449cc carbureted 4-stroke engine, a 5-speed gearbox and electric and kick start.
The 2011 CRF450X weighs 269 lb ready to ride and has a 37.9 in seat height.
The 2011 CRF450X runs 80/100-21 front and 110/100-18 rear tires.

2011 Honda CRF450X photos

2011 Honda CRF450X specifications

Engine

Displacement: 449cc
Stroke: 4-stroke
Fuel system: Carburetor
Bore × stroke: 96 × 62.1 mm
Compression: 12.0:1
Cooling: Liquid
Configuration: Single-cylinder
Valve train: SOHC
Valves: 4

Clutch

Actuation: Cable

Drivetrain

Starting: Electric and kick
Transmission: 5-speed
Chain size: 520
Front sprocket: 13T
Rear sprocket: 51T

Dimensions

Seat height: 37.9″
Ground clearance: 13.6″
Wheelbase: 58.2″
Width: 32.3″
Height: 50.1″
Length: 85.7″
Curb weight: 269 lb
Fuel capacity: 1.9 gal

Price & warranty

Warranty: 3 months - parts only

Equipment

LED taillight: Standard

Frame & steering

Rake: 27.3°
Trail: 4.53″

Suspension

Front: 47mm Showa inverted leading-axle twin chamber cartridge-type telescopic fork
Front travel: 12.4″
Rear: Pro-Link with Showa damper
Rear travel: 12.4″

Wheels & tires

Front wheel: 21″
Rear wheel: 18″
Front tire: 80/100-21
Rear tire: 110/100-18

Brakes

Front disc: 240 mm
Rear disc: 240 mm

Stock features

Skid plate: Yes

Battery / electrical

Battery: Yes

Parts that fit the 2011 Honda CRF450X

Exact parts for this bike. Tap one to see every store selling it, cheapest first.

Maintenance

Oil, filters, spark plug, battery, brakes and drive parts you replace as you ride.

Oil filterHiflofiltro HF116from $7.07 · 10 stores
Show 7 more storesShow fewer stores
Part number HF116: any parts counter can look it up.
Fit from: Hiflofiltro's fitment list for this bike
Their listing: Honda CRF450 X-5,6,7,8,9,A,B,C,D,E,F,G,H, 2005–2017
Air filterHiflofiltro HFF1018from $27.11 · 12 stores
Show 9 more storesShow fewer stores
Part number HFF1018: any parts counter can look it up.
Fit from: Hiflofiltro's fitment list for this bike
Their listing: Honda CRF450 X-5,6,7,8,9,A,B,C,D,E,F,G,H, 2005–2017
Front brake padsEBC FA185from $29.99 · 19 stores
Stores sell this pad in different compounds, labelled on each store where it says. Sintered lasts longest; for the same feel, buy the same kind front and rear.
Show 16 more storesShow fewer stores
Front and rear, matched
Sintered both ends for $65.91: front at eBay, rear at eBay · ramholman7.
Part number FA185: any parts counter can look it up.
Fit from: EBC brake pad buyer's guide
Their listing: HONDA CRF 450 X, 2005–2021
Rear brake padsEBC FA346from $35.92 · 24 stores
Stores sell this pad in different compounds, labelled on each store where it says. Sintered lasts longest; for the same feel, buy the same kind front and rear.
Show 21 more storesShow fewer stores
Front and rear, matched
Sintered both ends for $65.91: front at eBay, rear at eBay · ramholman7.
Part number FA346: any parts counter can look it up.
Fit from: EBC brake pad buyer's guide
Their listing: HONDA CRE 450 X R CRF 450 R, 2004–2008 (not listed for 2011 yet; the same generation)
Front sprocketJT Sprockets 13-tooth steel sprocketfrom $18.75 · 7 stores
13 teeth, the same as the bike came with from the factory. Some stores sell JT's self-cleaning version (part number ending SC): it fits the same.
Show 4 more storesShow fewer stores
Part number JTF284.13: any parts counter can look it up.
Fit from: JT Sprockets' fitment list for this bike
Their listing: Honda CRF450 X-5,6,7,8,9,A,B,C,D,E,F,G,H, 2005–2016
Rear sprocketJT Sprockets 51-tooth self-cleaning sprocketfrom $39.49 · 6 stores
51 teeth, the same as the bike came with from the factory. JT makes this size only in its self-cleaning version (mud-relief cuts): it fits the same.
Show 3 more storesShow fewer stores
Part number JTR210.51SC: any parts counter can look it up.
Fit from: JT Sprockets' fitment list for this bike
Their listing: Honda CRF450 X-5,6,7,8,9,A,B,C,D,E,F,G,H, 2005–2016
ChainD.I.D 520 VX3 sealed chain, 114 linksfrom $136.04 · 6 stores
JT lists 114 links for this bike: count the links on your chain to be sure, and pick that length at the store.
Show 3 more storesShow fewer stores
Fit from: JT Sprockets' fitment list for this bike
Their listing: Honda CRF450 X-5,6,7,8,9,A,B,C,D,E,F,G,H, 2005–2016

Tires

Stock sizes, from the maker's manual.

Front tireDunlop Geomax AT81 80/100-21from $116.99 · 2 stores
Stock size for this bike
- The D ZoneCheapest$116.99 ↗Free shipping
- Walmart · The D Zone$123.11 ↗Free shipping
Fit from: Size from the maker's manual; tire model is our pick
Rear tireDunlop Geomax AT81 110/100-18from $89.98 · 5 stores
Stock size for this bike
Show 2 more storesShow fewer stores
- RevZilla.com$145.99 ↗Free shipping
- Walmart · The D Zone$150.07 ↗Free shipping
Fit from: Size from the maker's manual; tire model is our pick

Controls

Grips, and the throttle part each bike needs to fit them.

GripsODI Rogue MX V2 lock-on gripsfrom $26.59 · 16 stores
Show 13 more storesShow fewer stores
Fitting these grips
Everything you need is in the box, including the throttle cam this bike uses (cam B).
Fit from: ODI grip throttle guide
Their listing: HONDA CRF 450R/450X, 2002–2024

Not listed yet: Engine oil, spark plug and battery. We only list a part once its maker names it for this bike, so we don't guess.

Prices include shipping where the store lists it and were checked Nov 1, 2026. A store that doesn't list its shipping is placed as if it charged what the other stores do. Prices change, so confirm at the store before you buy.

2011 Honda CRF450X vs 2009

None of the specs below changed from the 2009 model.

Spec	2009	2011
Displacement	449cc	Same
Curb weight	269 lb	Same
Seat height	37.9 in	Same
Front travel	12.4 in	Same
Rear travel	12.4 in	Same
Fuel	1.9 gal	Same
Gearbox	5-speed	Same
Front tire	80/100-21	Same
Rear tire	110/100-18	Same

Honda CRF450X FAQ

What engine does the 2011 Honda CRF450X have?
It has a 449 cc, liquid-cooled, carbureted four-stroke single-cylinder engine with SOHC and four valves.
What is the seat height of the 2011 Honda CRF450X?
The seat height is 37.9 in.
How much does the 2011 Honda CRF450X weigh?
Its curb weight is 269 lb.
How much suspension travel does the 2011 Honda CRF450X have?
It has 12.4 in of travel at both the front and rear.
What is the fuel capacity of the 2011 Honda CRF450X?
The fuel capacity is 1.9 gal.
Does the 2011 Honda CRF450X have electric start?
Yes. It has electric starting and a primary kickstarter.
How many gears does the 2011 Honda CRF450X have?
It has a wide-ratio five-speed transmission.
What size tires does the 2011 Honda CRF450X use?
80/100-21 front and 110/100-18 rear.
What chain and sprockets does the 2011 Honda CRF450X use?
A 520 chain on a 13-tooth front and 51-tooth rear sprocket.
Is the 2011 Honda CRF450X different from the 2009 model?
None of the main specs changed from the 2009 model.

Other Honda CRF450X model years

Specs from Honda's website. Updated Oct 31, 2026.