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Red

Engine Type

450cc liquid-cooled single-cylinder four-stroke

Transmission

Close-ratio five-speed

Front Suspension

49mm inverted Showa® fork; 12.2-inch travel

Rear Suspension

Pro-Link Showa® single shock; 12.2-inch travel

Seat Height

37.8 inches

Curb Weight

249 pounds (ready to ride)

Engine

Engine Type	450cc liquid-cooled single-cylinder four-stroke
Bore And Stroke	96.0mm x 62.1mm
Compression Ratio	13.5:1
Valve Train	Unicam SOHC; four valves per cylinder
Induction	Programmed Fuel Injection (PGM-FI), 44mm downdraft throttle body

Drive Train

Transmission	Close-ratio five-speed
Final Drive	#520 Chain; 13T/49T

Chassis Suspension Brakes

Front Suspension	49mm inverted Showa® fork; 12.2-inch travel
Rear Suspension	Pro-Link Showa® single shock; 12.2-inch travel
Front Brake	Single 260mm disc with twin-piston caliper
Rear Brake	Single 240mm disc
Front Tire	Dunlop MX33 80/100-21
Rear Tire	Dunlop MX33 120/80-19

Dimensions

Wheelbase	58.3 inches
Rake	27.3°
Trail	4.5 inches
Seat Height	37.8 inches
Ground Clearance	13.1 inches
Fuel Capacity	1.7 gallons
Curb Weight	249 pounds (ready to ride)

Other

Available Colors	Red
Model ID	CRF450R

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Power your dreams

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R3 contingency program

14 AMA 450 Pro Motocross Championships

17 AMA 250 Pro Motocross Championships

Built to win

450cc Unicam® engine

The Unicam^® cylinder head offers a compact, lightweight design with a narrow valve angle, which improves combustion chamber efficiency, increases compression ratio, and lowers the center of gravity.

Built to win

Light narrow frame

Experience faster cornering with the lightweight, superior chassis design, which maintains finely tuned lateral rigidity.

Built to win

Eight-plate clutch assembly

The eight-plate clutch design delivers 85% less slip at peak horsepower and 27% more torque transmission than a seven-plate clutch. Due to the hydraulic actuation and super-strong spring lockup, it maintains a light clutch-lever pull.

Built to win

Single-muffler exhaust

The enhanced muffler features a reinforced outer shell and revamped inner pipe construction, all while maintaining its original weight for a perfect balance of strength and performance.

The ante has been upped

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Central-port cylinder head

The 2025 model features an oval-shaped centralized exhaust port, which, along with the single-muffler exhaust, boosts power from 5000 rpm up and increases exhaust efficiency.

Single-pipe exhaust

The single-pipe header routes close to the center of the bike, and its light overall construction helps improve weight distribution. A new design for 2025 helps produce more controllable power in the low—and mid-rpm range.

Titanium intake valves

Lightweight titanium intake valves reduce reciprocating mass and permit the use of smaller valve springs, reducing overall engine height.

Fuel injection system

Meticulous details like the 60-degree angled fuel injector put this bike ahead of the competition. It delivers a cooler and denser fuel charge, increasing power and torque.

New frame

A superior frame is crucial for great handling. The chassis weighs 1.5 lbs less than the previous generation's due to the narrow main spars. Almost 70 percent of the frame components are new this year, resulting in excellent turning performance and better compatibility with the new suspension.

New tripleclamps, axle, and steering stem

New 2025 triple clamps work with the updated frame, fork, axle, and steering stem for consistent suspension and improved rigidity, responsiveness, and turning.

Showa spring fork

The 49mm Showa fork features a design that helps increase the front suspension's precision and feel, while the new springs, new seals, and new valving for 2025 improve the consistency of the stroke feel throughout the entire range of travel.

Rear suspension

A specially optimized rear shock has been tailored to the frame, complemented by a lightweight steel spring that maintains exceptional performance.

Hydraulic clutch

Inspired by our Grand Prix MX machines, Honda's first hydraulically actuated dirt bike clutch offers a 10% lighter clutch lever pull. It eliminates the need for cable adjustments, delivering optimal performance on even the longest motos.

Honda Selectable Torque Control (HSTC)

Easily control your bike's traction with the handlebar-mounted button, activating our Honda Selectable Torque Control (HSTC) system that offers three customizable settings to optimize your ride based on available traction conditions.

Fresh styling

The 2025 bikes get new “stacked” CRF graphics that take their styling cues right from our HRC works bikes. Plus, our “in mold” graphics are more durable, keeping them looking good, especially after repeated track sessions and cleaning.

Black rims

Lightweight and strong, the black DID DirtStar rims add a stylish touch, too.

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Superior frame rigidty

Great handling starts with a superior frame. First, it’s light. By making the frame’s main spars narrow, we save weight, but more importantly we make the chassis more responsive by fine-tuning the lateral rigidity. The result is a bike that gets into, around, and out of corners faster.