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HondaCRF450X’072007
SuzukiRM-Z450’232023
GasGasMC 450F’242024
Honda CRF450X 2007
449CC
Suzuki RM-Z450 2023
449CC
GasGas MC 450F 2024
450CC
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Where they ride

CRF450X ’07: Trail

RM-Z450 ’23: Track

MC 450F ’24: Track

Terrain
Key numbers
Displacement
449 cc
449 cc
450 cc
Power
—
50.9 hp
54.7 hp
Weight
255 lb
247 lb
228 lbWin
Seat height
37.9 in
37.8 in
37.6 in
Ground clearance
13.6 inWin
13 in
13.5 in
Front travel
12.4 inWin
12 in
12.2 in
Rear travel
12.3 in
12.4 inWin
11.8 in
Wheelbase
58.4 in
58.3 in
58.8 in
Fuel capacity
2.27 galWin
1.66 gal
2.09 gal
MSRP
$7,399Win
$8,999
$10,399
Engine
Displacement449cc449cc450cc
Stroke4-stroke4-stroke4-stroke
Fuel systemCarburetorFuel injectionFuel injection
Bore × stroke96 × 62.1 mm96 × 62.1 mm95 × 63.4 mm
Compression12.0:112.5:113.6:1
CoolingLiquidLiquidLiquid
ConfigurationSingle-cylinderSingle-cylinderSingle-cylinder
Valve trainSOHCDOHCSOHC
Valves444
Oil chamberDualSingle—
Engine oil0.71 US qt (0.67 L)1.2 US qt (1.1 L)1.3 US qt (1.2 L)
Oil type10W-3010W-4010W-50
Gearbox oil0.69 US qt (0.65 L)——
Gearbox oil typeSAE 10W-30, JASO T903 MA——
Coolant1.28 US qt (1.21 L)1.2 US qt (1.1 L)1.00 US qt (0.95 L)
Power (measured)—50.9 hp at the rear wheel54.7 hp at the rear wheel
Clutch
TypeWet multiplateWet multiplateWet multiplate
ActuationCableCableHydraulic
AssistNone (standard clutch)None (standard clutch)None (standard clutch)
Spring——Diaphragm
Brand——Braktec
Drivetrain
StartingElectric and kickKickElectric
Transmission5-speed5-speed5-speed
Chain size520520520
Chain links114114—
Front sprocket13T13T13T
Rear sprocket51T50T51T
Dimensions
Dry weight255 lb——
Seat height37.9″37.8″37.6″
Ground clearance13.6″13″13.5″
Wheelbase58.4″58.3″58.8″
Width32.3″32.9″—
Height50.1″49.6″—
Length85.8″85.6″—
Curb weight—247 lb—
Fuel capacity2.27 gal1.66 gal2.09 gal
Weight without fuel——228 lb
Price & warranty
Destination charge——$650
ColorsRedChampion Yellow No. 2Red
WarrantyNoise control warranty onlyNone · not applicable—
Equipment
Spark arresterStandard——
HeadlightStandard——
LED taillightStandard——
MX-Tuner 2.0—Standard—
Traction management system—Standard—
Suzuki Holeshot Assist Control (S-HAC)—Standard—
Engine protectors—Standard—
Renthal aluminum handlebar—Standard—
Frame & steering
Frame materialAluminumAluminumChromoly
ArchitecturePerimeterPerimeterCentral tube
Rake27.2°27.8°26.1°
Trail4.32″4.72″—
Suspension
Front47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustabilityInverted telescopic fork, coil spring, oil dampedWP XACT AER
Front travel12.4″12″12.2″
RearPro-Link Showa single shock with adjustable spring preload, 17-position rebound damping adjustability and compression damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns)Link-type shock, coil spring, oil dampedWP XACT LDS
Rear travel12.3″12.4″11.8″
Wheels & tires
Front wheel21″21″21″
Rear wheel18″19″19″
Front tire80/100-21 51M Dunlop D742F80/100-21 51M, tube type80/100-21 M/C 51M TT
Rear tire110/100-18 64M Dunlop D756110/90-19 62M, tube type110/90-19 M/C 62M TT
Brakes
Front disc240 mm270 mm260 mm
Rear disc240 mm240 mm220 mm
Stock features
Skid plateYesYesNo
Radiator fanNo——
Street legal (US)NoNoNo
Battery / electrical
BatteryYesNoYes
ChemistryLead acid—Lithium
Voltage12V—12V
Capacity6 Ah—2 Ah