Yamaha YZ450FX - 2019 Specifications and Reviews

The 2019 Yamaha YZ450FX is a four-stroke off-road motorcycle designed for trail riders and recreational users seeking reliable performance. Known for its electric starter convenience and manageable 116 kg weight, it excels in mixed terrain riding. The bike combines practical features like an 8.33-liter fuel capacity with responsive handling for both experienced and intermediate off-road enthusiasts.

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General information

Price as new3.7  Check out the detailed rating of off-road capabilities, engine performance, maintenance cost, etc. Compare with any other bike.
CategoryEnduro / offroad
Year2019
ModelYamaha YZ450FX

Engine and Transmission Specifications

DrivelineO-ring chain
ClutchWet multi-disc
Transmission typeChain   (final drive)
Gearbox5-speed
Cooling systemLiquid
Lubrication systemWet sump
IgnitionTCI
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Fuel systemInjection. Keihin 44mm
Valves per Cylinder4
Bore x Stroke97.0 x 60.9 mm (3.8 x 2.4 inches)
Compression12.8:1
Engine detailsTitanium valves
Engine typeSingle cylinder, four-stroke
Capacity:449.7 ccm (27.44 cubic inches)

Brakes, suspension, Frame and wheels

WheelsDunlop® AT81F tyres
Rear brakesSingle disc. Hydraulic
Diameter270 mm (10.6 inches)
Front brakesSingle disc. Hydraulic
Rear tire120/80-18
Front tire80/100-21
Rear wheel travel318 mm (12.5 inches)
Rear SuspensionKYB® single shock; full adjustable
Front wheel travel310 mm (12.2 inches)
Front SuspensionKYB® spring-type fork with speed sensitive damping; fully adjustable
Trail117 mm (4.6 inches)
Rake (fork angle)27.2°
Frame typeAluminum Bilateral Beam frame
 
 

Physical measures and capacities

Fuel capacity8.33 litres (2.20 US gallons)
Wheelbase1481 mm (58.3 inches)
Ground clearance335 mm (13.2 inches)
Overall width826 mm (32.5 inches)
Overall length2174 mm (85.6 inches)
Overall height1290 mm (50.8 inches)
Seat height965 mm (38.0 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc116.1 kg (256.0 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Factory warranty30 Day Limited Factory Warranty
StarterElectric
Color optionsTeam Yamaha Blue

Performance Profile & Rider Fit

Best For

Track55%
City15%
Cornering70%
Daily Riding20%
Touring15%
Passenger5%

Rider Profile

Best ForBest suited to intermediate to expert off-road riders who are comfortable with a tall, light, aggressive cross-country race bike.
PurposeBuilt for closed-course cross-country and enduro-style off-road riding rather than street use or commuting.
Rider FitThe tall 37.6 in seat height and minimal weight-carrying comfort favor taller, fit riders confident standing on the pegs for extended periods.
CharacterA high-revving, race-derived thumper that rewards an aggressive, momentum-focused riding style with sharp handling and light overall mass.
Not Ideal ForNot a good fit for new riders, passengers, highway commuting, or anyone wanting plush comfort and long-range touring capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2019 Yamaha YZ450FX Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 965mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2019 Yamaha YZ450FX, with a cramped knee angle of around 85 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2019 Yamaha YZ450FX is a powerful and versatile off-road motorcycle that is perfect for riders who want to take on a variety of terrains. With its lightweight aluminum frame and powerful 450cc engine, this bike delivers excellent performance and handling on trails and tracks alike. The YZ450FX also features advanced suspension and adjustable ergonomics, allowing riders to fine-tune their setup for optimal comfort and control. Yamaha has also equipped the 2019 YZ450FX with advanced technology, including electric start, a multi-function LCD display, and a wireless smartphone tuning app. These features make the bike easy to use and customize, giving riders the ability to tailor their experience to their preferences. Overall, the 2019 Yamaha YZ450FX is a top-notch off-road motorcycle that offers exceptional performance and versatility for riders of all skill levels.
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