Review – Key Features – Features & Benefits – Specifications
2027 Honda CRF450R HRC Works Edition: WHEN ONLY THE BEST WILL DO.
Introducing the 2027 Honda CRF450R HRC Works Edition…
For those who demand the absolute pinnacle of motocross technology, there is the CRF450R HRC WORKS EDITION. Starting with the advanced CRF450R, which is all new for the 2027 model year, the CRF450 HRC WORKS EDITION adds numerous factory-level upgrades straight from HRC factory teams designed to give you an edge from gate drop to podium. Under the hood, these enhancements include a hand-ported cylinder head with a signature red cam cover, specialized ECU settings, a Twin Air filter, and a premium Yoshimura exhaust system tuned for maximum output. To ensure superior handling and durability, the machine is equipped with Kashima-coated fork legs, revalved suspension, black triple clamps, an RK gold chain, and DID DirtStar LT-X rims. Finished with a gripper seat cover and exclusive HRC Throttle Jockey graphics that command attention, the “WORKS EDITION” is built to completely dominate the track.
2027 Honda CRF450R HRC Works Edition Totalmotorcycle.com Key Features
- Engine Type
450cc liquid-cooled single-cylinder four-stroke - Transmission
Close-ratio five-speed manual - Front Suspension
49mm inverted Showa® fork; 12.2-inch travel - Rear Suspension
Pro-Link Showa® single shock; 12.0-inch travel - Seat Height
37.5 inches - Curb Weight
237.8 pounds (includes all standard equipment, required fluids and a full tank of fuel)
Completely redesigned CRF450 Performance Models Headline Honda’s 2027 Off-Road Announcement
In an extensive new-model announcement today, Honda unveiled a sweeping overhaul of its 2027 CRF450 Performance models, highlighted by the most comprehensive update to the CRF450R in a decade. Developed with direct input from HRC’s factory racing programs, Honda’s new flagship motocrosser combines a lighter, more powerful engine with comprehensive chassis and suspension revisions for a more capable, more confidence-inspiring race machine that gives riders a clear competitive edge.
The announcement spans the brand’s complete dirt bike portfolio. The same improvements to the CRF450R extend to its HRC WORKS EDITION and RX siblings, while the CRF250R, CRF250R HRC WORKS EDITION and CRF250RX receive targeted updates. Also returning are the trail-and-tarmac CRF450RL and the Baja-dominating CRF450X. Meanwhile, the CRF Trail family continues to spread the love of off-road adventure far and wide.
“Off-road riding is in Honda’s DNA, and our fully revamped 2027 450 CRF Performance models—developed alongside HRC’s factory racing programs—reflect everything we’ve learned at the highest levels of competition,” said Colin Miller, Manager of Experiential Marketing at American Honda. “That philosophy extends across Honda’s broader off-road lineup, from our three updated CRF250 models to the dual-sport CRF450RL, the rugged CRF450X, and the CRF Trail family that introduces new riders to the sport. Whether you’re chasing championships, exploring the backcountry on the weekend, or getting your young riders started on two wheels, there’s a CRF that’s just right for you.”
2027 Honda CRF450R HRC Works Edition Totalmotorcycle.com Features and Benefits
Engine & Drivetrain
450 cc Unicam® engine
A new engine this year features a new Unicam® valve layout that aligns intake and exhaust rockers on a common axis to increase valvetrain rigidity while also resulting in a more compact package.
Broader, More Usable Power
New cam profiles and a new bore and stroke help give the engine increased midrange and high-rpm power.
Hydraulic Clutch
Inspired by our Grand Prix MX machines, the hydraulically actuated clutch offers a 10% lighter clutch lever pull compared to a cable equivalent. It also eliminates the need for adjustments, delivering optimal performance for even the longest motos.
Yoshimura Exhaust
The CRF450R HRC WORKS EDITION’s exhaust is another premium item. It uses a new titanium header, mid-pipe and muffler made especially for us by Yoshimura. Super light and super thick—the exhaust tucks away for better ergonomics, too.
All-New Clutch Assembly
Totally redesigned using HRC WORKS EDITION feedback and developed on the MXGP circuit, the clutch-disc diameter is smaller this year, and the primary drive gear is redesigned for lightness. A new back-torque-limiting system uses rubber dampers instead of springs that also provides a slipper-clutch function—the world’s first of its kind. Compared to cam-type slipper clutches it’s lighter and ideally suited to motocross use.
Smaller, Lighter Engine
The complete redesign results in an engine with more power, more torque, and one that’s 17 mm narrower and almost six pounds lighter than our 2026 model.
Larger Intake and Exhaust Valves
The titanium intake valves have increased in diameter from 38 mm to 40 mm, and the exhaust valves from 31 mm to 32 mm. The valve angle in the head also changed (included angle remains the same), to optimize intake efficiency. The intake port is shorter too, all contributing to the boost in power.
Higher Compression Ratio
The new bigger bore and shorter stroke (97 mm x 60.8 mm), larger piston, and new piston-crown profile all result in a higher 13.8:1 compression ratio for better overall combustion efficiency and more power.
New Round-Profile Crankshaft
Now with roller main bearings on both ends, the crankshaft profile has been radically reshaped from the traditional anchor/porkchop design. This works in conjunction with the new clutch to reduce frictional losses, and more efficiently convert combustion into rotational energy while fine-tuning the engine’s overall flywheel effect. The result is smooth, predictable power that’s easy to modulate and that helps keep you hooked up.
Hand-Ported Cylinder Head
The engine features a hand-ported oval-shaped centralized exhaust port, which, along with the single-muffler exhaust, boosts power from 5000 rpm up and increases exhaust efficiency.
Larger Titanium Intake Valves
Lightweight titanium intake valves reduce reciprocating mass and permit the use of smaller valve springs, reducing overall engine height.
Double-Spray Injector Settings
The system sprays fuel twice per intake cycle for better atomization and increased power in the midrange and on overrev. You’ll feel it during your first race.
Single-Pipe Exhaust
The single-pipe header routes close to the centre of the bike, and its light overall construction helps improve weight distribution. It also produces more controllable power in the low- and mid-rpm range than the previous generation.
New Air Filter and Airbox
The new airbox design has no separate lid—you can access the air cleaner just by removing the left sidecover. For 2027 we’ve changed both the air filter’s density and its shape to reduce airflow resistance by approximately ten percent, and the CRF450R HRC WORKS EDITION gets a Twin Air filter.
High-Capacity Radiator
A six-percent larger radiator compared to the previous generation provides the cooling capacity needed to sustain the engine’s high power output.
Lightweight Split-Resin Bearing Cages
Hondas are famous for their transmission quality and shift feel, and the 2027 CRF450R HRC WORKS EDITION takes that to the next level. New split resin cage needle bearings work in conjunction with shorter transmission shafts to save weight too.
Shorter Two-Lead Shift Drum
A small part but still significant. Reducing the shift-drum lead grooves from three to two and shortening the drum shaft make it more compact and lighter too.
Gear-Position Engine Mapping
The smart ECU delivers tailored engine mapping for each gear, giving riders the edge with optimal power for every track, turn, jump, and rut.
Honda Selectable Torque Control (HSTC)
Easily control your bike’s traction with the left-side handlebar-mounted green button, activating our Honda Selectable Torque Control (HSTC) system. It offers three customizable settings to optimize your ride based on conditions or preference.
One-Piece Radiator Shrouds
Our engineers used Computational Fluid Dynamics to fine-tune the radiator shrouds for increased cooling efficiency. The one-piece design ensures consistent power output and prevents overheating.
Titanium Fuel Tank
Every gram counts, so we gave the bike a titanium fuel tank. Light and strong, it’s also thinner than our previous plastic unit, freeing up more space and helping to centralize the fuel’s mass. You get more fuel capacity now too—a full 7.1 litres.
Engine Mode Selection Button
Customize your engine’s power delivery on the fly with the convenient left-side handlebar-mounted blue button, allowing you to easily switch between Standard, Smooth, and Aggressive modes to suit varying track conditions or rider preference.
Chassis & Suspension
New Frame
The 2027 frame may look the same, but it’s really all new, with slightly more steering rake and a longer wheelbase. The major frame components have been fine-tuned for rigidity and weight loss. Meanwhile, the footpegs moved 5mm to the back, making it easier to shift your weight over the rear wheel to help it hook up.
Showa® Spring Fork
A 49 mm Showa® fork features Kashima coating to the internal sliding components, enhancing stroke feel and improving smoothness. A DBS (Dynamic Blow System) main-piston valve increases compression damping in the extremely low-to-low speed range, improving stroke consistency.
Rear Suspension
A lighter shock body is surrounded by a new red spring. The shock itself is more responsive, enhancing damping feel in the low-speed compression range and providing a more consistent feel throughout the suspension stroke.
Light Narrow Frame
Experience faster cornering with the lightweight, superior chassis design, which maintains finely tuned lateral rigidity.
Updated Swingarm
Check out the CRF450R HRC WORKS EDITION’s new swingarm. Meticulously hand polished, its smooth step-free design and flawless welds elevate the bike’s appearance. The new throat-welded construction also helps reduce weight by nearly a pound.
Rear Brake Pads
Brakes do more than stop the bike. They help set up turns and jumps. Our brake pads last longer and provide more stopping power to help you win.
260 mm Front Brake
The front brake disc measures 260 mm, providing excellent brake feel and weight reduction. We’ve also included a guard to protect against roots and rocks.
Dunlop MX33 Tires
Dunlop’s MX33 tires feature an intermediate design that works well in a wide variety of conditions, providing superior rider feedback and improved cornering grip.
Renthal Fatbar
Renthal’s aluminum Fatbar comes standard, featuring a bend superior to the Honda CR-bar, making it the new benchmark in excellence. You’ll love it!
Additional Features
Black Rims
The DID DirtStar LT-X rims are lightweight and strong, while the black color looks good and is easy to clean.
Smoother Bodywork
Smoothing out the bodywork transition between the front of the seat and the radiator shrouds makes it easier to move effortlessly on the bike. The seat itself features larger radius corners up front and smaller radius corners on the rear to improve comfort, hold, and handling.
HRC Throttle Jockey Graphics
The CRF450R HRC WORKS EDITION gets an exclusive Throttle Jockey graphics package inspired by our HRC works bikes, while the durable “in mold” graphics ensure long-lasting visual appeal even after intense track sessions and repeated cleaning.
Detailed Bodywork Mounting
It may seem small, but every second counts when you’re servicing your bike between motos. Fewer mounting bolts mean enhanced serviceability at the track or in your garage.
Easier Serviceability
Things like changing the air filter, the rear wheel, and servicing the rear shock are easier than ever now. For example, all you need to do is remove the left sidecover for total airbox access. With the rear wheel, redesigned side collars mean easier, installation of the wheel into the swingarm.
Electric Starter
To keep the bike light, our engineers use an electric starter with a lithium-ion battery.
2027 Honda CRF450R HRC Works Edition – Totalmotorcycle.com Specifications/Technical Details
US MSRP Price: $ 12,999 USD
Canada MSRP Price: $16,357 CDN (includes Freight, PDI and Fees)
Europe/UK MSRP Price: £ See Dealer GBP (On The Road inc 20% Vat)
| ENGINE | |
| Type | 449.5cc liquid-cooled single-cylinder four-stroke |
| Valvetrain | OHC Unicam®; four valves per cylinder; 40mm intake, titanium; 32mm exhaust, titanium |
| Bore x Stroke | 97.0mm x 60.8mm |
| Compression Ratio | 13.8:1 |
| Induction | Programmed electronic fuel-injection system (PGM-FI); 46mm throttle body |
| Ignition | Transistor Controlled Ignition (TCI) |
| Starter | Push-button electric starter |
| Transmission | Constant-mesh five-speed manual |
| Clutch | Multiplate wet, hydraulically actuated |
| Final Drive | #520 chain; 13T/51T |
| SUSPENSION | |
| Front | 49mm Showa telescopic inverted coil-spring fork w/ adjustable compression/rebound damping; 12.2-inch travel |
| Rear | Pro-Link® system w/ single Showa shock absorber; adjustable spring preload, compression/rebound damping; w/ 12.0-inch travel |
| BRAKES | |
| Front | Single dual-piston hydraulic caliper w/ 260mm petal-style disc |
| Rear | Single one-piston hydraulic caliper w/ 240mm petal-style disc |
| TIRES | |
| Front | Dunlop Geomax MX34 80/100-21 tube-type |
| Rear | Dunlop Geomax MX34 120/90-19 tube-type |
| MEASUREMENTS | |
| Rake | 27.5° |
| Trail | 4.6 inches (117mm) |
| Length | 86.6 inches |
| Width | 32.6 inches |
| Height | 49.7 inches |
| Ground Clearance | 13.1 inches |
| Seat Height | 37.5 inches |
| Wheelbase | 58.7 inches |
| Fuel Capacity | 1.9 gallons |
| Curb Weight* | 238 pounds |
| Weight No Fuel | 226 pounds |
| OTHER | |
| Color | Red |
| Warranty | None |
*Includes all standard equipment, required fluids and full tank of fuel—ready to ride
Specifications subject to change
Manufacturer Specifications and appearance are subject to change without prior notice on Total Motorcycle (TMW).
