When it comes to off-road bikes, the Yamaha WR450F is one of the most capable machines you can get your hands on. It has been a staple in the off-road community for many years, and for good reason. In this article, we’ll take a closer look at what makes the Yamaha WR450F so special and why it’s such a popular choice among riders.
Contents
TOP FEATURES:
Ultimate Enduro Machine
All new for 2019, the WR450F™ builds on Yamaha’s exceptional motocross and cross country race platform with added features and unique settings designed to optimize the WR® for enduro riding.
Electric Starter System
Utilizing a compact starter motor system battery, the WR450F maintains the convenience of push-button starting, for effortless restarts and relaxed riding when the clock isn’t ticking.
Potent Fuel-Injected Engine
A high-compression cylinder head, forged piston, aggressive cam profiles, cylinder geometry and much more work together to give WR450F riders a broad spread of useable thrust with expanded high-rpm power.
Advanced Alloy Frame
Yamaha’s bilateral beam aluminum frame is derived straight from the YZ450F to centralize mass and provide an ideal balance between cornering feel and straight-line confidence.
Class-Leading Suspension
Yamaha uses KYB® spring-type forks of the WR450F, with industry leading function and easy tuneability for a wide range of conditions.
NEW IN 2019:
All-New High-Spec Enduro
For 2019, the new WR450F takes all the latest advancements found on the YZ450F and builds upon them to create the ultimate trail-ready enduro machine, with engine and chassis tuning optimized for accessible power, handling balance, and flexibility on every trail.
ENGINE:
Rearward-Slanted Cylinder Design
The WR450F’s distinct rearward-slanted cylinder design—complete with rear exhaust and forward-mounted intake system—features a cylinder head that works with the frame geometry for optimized weight distribution. Inside, the engine features a straight intake tract, aggressive cam profiles, high-compression “box bridge” piston design with DLC-coated piston pin, and more.
Unique Enduro Engine Tuning
WR450F-specfic ignition and fuel injection maps are optimized for enduro riding and racing, for exceptionally smooth and controllable midrange power with longer-lasting pulling power in the top-end.
Enhanced Intake and Exhaust Systems
The WR450F features a new two-piece air filter with improved sealing that works in conjunction with the tuned intake tract length and new WR-specific muffler to boost the linear feeling of traction and drive.
High-Capacity Radiator
The WR450F uses a large radiator with excellent cooling capacity shared with the YZ450F motocrosser, complete with a cooling fan for consistent performance during the toughest enduro rides.
Electric Starter System
The WR450F features a compact electric starter system to simplify restarts on the trail and add convenience everywhere else.
Advanced Fuel Injection
The engine breathes through a 44mm Mikuni® throttle body fed by a high pressure electric pump to ensure optimum fuel atomization and power for a wide range of riding conditions.
Robust Transmission and Clutch
The 2019 WR450F’s wide-ratio 5-speed transmission is shared with the YZ450FX and confident cross country performance for more flexible gearing selection in open terrain. The clutch system has also been reworked especially for the new WR450F for improved heat dissipation and lighter clutch lever effort.
ADDITIONAL FEATURES:
BeatHighlights:
Extreme Enduro Machine All unused for 2019, the WR450F™ builds on Yamaha’s extraordinary motocross and cross nation race stage with includedhighlights and special settings outlined to optimize the WR® for enduro riding. Electric Starter Framework Utilizing a compact starter engineframework battery, the WR450F keeps up the comfort of push-button beginning, for easy restarts and loose riding when the clock isn’t ticking.
Powerful Fuel-Inj
ected Motor A high-compression barrel head, fashionedcylinder, forceful cam profiles, barrel geometry and much more work together to deliver WR450F riders a wide spread of useable pushed with extended high-rpm control.
ProgressedAmalgamOutline Yamaha’s two-sidedbar aluminum outline is inferred straight from the YZ450F to centralize mass and give an perfectadjust between cornering feel and straight-line certainty. Class-Leading Suspension Yamaha employments KYB® spring-type forks of the WR450F, with industry drivingwork and simple tuneability for a wide extend of conditions.
Unused IN 2019:
All-New High-Spec Enduro For 2019, the unused WR450F takes all the most recentprogressions found on the YZ450F and builds upon them to make the extreme trail-ready enduro machine, with motor and chassis tuning optimized for availablecontrol, taking care ofadjust, and adaptability on eachpath. Motor: Rearward-Slanted BarrelPlan The WR450F’s particular rearward-slanted barrel design
complete with raisedeplete and forward-mounted admissions system—features a barrel head that works with the outline geometry for optimized weight conveyance. Interior, the motorhighlights a straight admissions tract, forceful cam profiles, high-compression “box bridge” cylinderplan with DLC-coated cylinderstick, and more. Special Enduro Motor Tuning WR450F-specfic start and fuel infusion maps are optimized for enduro riding and hustling, for outstandingly smooth and controllable midrange control with longer-lasting pulling controlwithin the top-end. ImprovedAdmissions and DepleteFrameworks
The WR450F highlights a unused two-piece discusschannel with made stridesfixing that works in conjunction with the tuned admissions tract length and unused WR-specific suppressor to boost the straight feeling of footing and drive. High-Capacity Radiator The WR450F employments a expansive radiator with fabulous cooling capacity shared with the YZ450F motocrosser, total with a cooling fan for steadyexecutionamid the hardest enduro rides. Electric Starter Framework The WR450F highlights a compact electric starter framework to disentangle restarts on the path and includecomfortall over else.
Progressed Fuel Infusion The motor breathes through a 44mm Mikuni® throttle body encouraged by a tallweight electric pump to guaranteeideal fuel atomization and control for a wide extend of riding conditions. Strong Transmission and Clutch The 2019 WR450F’s wide-ratio 5-speed transmission is shared with the YZ450FX and certain cross nationexecution for more adaptableequippingchoice in open territory. The clutch framework has too been revampedparticularly for the unused WR450F for moved forwardwarmdissemination and lighter clutch lever exertion.
The History of the Yamaha WR450F
The Yamaha WR450F has been around since 2003, and over the years, it has undergone several changes and upgrades. The first generation of the bike was launched in 2003, and it quickly gained a reputation for being a reliable and durable machine. Since then, Yamaha has continued to refine and improve the bike, making it even more capable and versatile.
SPECIFICATIONS
ENGINE
| Engine Type | 450cc liquid-cooled DOHC 4-stroke; 4 valves |
| Bore x Stroke | 97.0mm × 60.8mm |
| Compression Ratio | 13.0:1 |
| Fuel Delivery | Mikuni® fuel injection, 44mm |
| Transmission | Wide-ratio 5-speed; wet multiplate clutch |
| Final Drive | O-ring chain |
CHASSIS
| Suspension / Front | KYB® Speed-Sensitive System inverted fork; fully adjustable, 12.2-in travel |
| Suspension / Rear | KYB® single shock; fully adjustable, 12.5-in travel |
| Brakes / Front | Hydraulic single disc brake, 270mm |
| Brakes / Rear | Hydraulic single disc brake, 245mm |
| Tires / Front | 80/100-21 Dunlop® MX3X |
| Tires / Rear | 120/90-18 Dunlop® MX3X |
DIMENSIONS
| L x W x H | 85.6 in x 32.5 in x 50.0 in |
| Seat Height | 37.6 in |
| Wheelbase | 58.3 in |
| Rake (Caster Angle) | 27.0° |
| Trail | 4.6 in |
| Maximum Ground Clearance | 12.6 in |
| Fuel Capacity** | 2.15 gal |
| Wet Weight*** | 262 lb |
The Features of the Yamaha WR450F
The Yamaha WR450F is packed with features that make it a top choice for off-road riders. One of the standout features of the bike is its powerful engine. The bike is equipped with a liquid-cooled, 4-stroke, DOHC engine that delivers plenty of power and torque. The bike also has a 5-speed transmission that allows riders to easily navigate any terrain.
Another key feature of the Yamaha WR450F is its advanced suspension system. The bike is equipped with fully adjustable KYB suspension, which allows riders to customize the bike’s performance to their specific needs. The suspension system also helps to absorb shock and provide a smooth ride, even on rough terrain.
The Yamaha WR450F is also designed with off-road riding in mind. The bike has a lightweight, aluminum frame that is both strong and durable. It also has a low center of gravity, which helps to improve handling and stability. The bike also has a wide footpeg platform, which provides plenty of grip and control.
The Benefits of Owning a Yamaha WR450F
There are many benefits to owning a Yamaha WR450F. For starters, the bike is incredibly versatile. It can handle a wide range of terrain, from rocky trails to sand dunes. The bike’s powerful engine and advanced suspension system make it easy to tackle even the toughest off-road challenges.
Another benefit of owning a Yamaha WR450F is its durability. The bike is built to withstand the rigors of off-road riding, with a strong frame and high-quality components. This means that you can enjoy riding your Yamaha WR450F for years to come, without worrying about costly repairs or maintenance.
Finally, the Yamaha WR450F is just plain fun to ride. It offers a thrilling, adrenaline-pumping experience that is hard to match. Whether you’re an experienced rider or just starting out, the Yamaha WR450F is a bike that you can enjoy and appreciate.
Conclusion
The Yamaha WR450F is a true off-road machine that is built to handle any challenge. With its powerful engine, advanced suspension system, and durable construction, it’s no wonder that this bike has become a favorite among off-road enthusiasts. Whether you’re looking for a bike to take on the toughest trails or just looking for a fun and exciting ride, the Yamaha WR450F is definitely worth considering.