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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; 12.4-inch travel

Seat Height

38.0 inches

Curb Weight

245 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; 12.4-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	27.1°
Trail	4.5 inches
Seat Height	38.0 inches
Ground Clearance	13.2 inches
Fuel Capacity	1.7 gallons
Curb Weight	245 pounds (ready to ride)

Other

Available Colors	Red
Model ID	CRF450R

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Ride like Jett

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R3 contingency program

14 AMA 450 Pro Motocross Championships

17 AMA 250 Pro Motocross Championships

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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.

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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.

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Light narrow frame

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

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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.

Consider the bar raised

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HRC launch control

Get a competitive edge with this bike's unique ECU program. Select the mode, open the throttle, and release the clutch to dominate from the start with its holeshot-seeking design.

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.

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.

Sealed airbox and filter

We've maximized torque output with a unique airbox shape and filter design. The filter is easily accessible and features a gasket-less design for quicker and easier cleaning and servicing.

Central-port cylinder head

With a centralized oval-shaped exhaust port and single-muffler exhaust, the new cylinder head design boosts power delivery from 5000 rpm onwards while optimizing exhaust efficiency.

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.

Titanium fuel tank

These bikes feature a lightweight titanium fuel tank that maintains the same capacity as its plastic predecessor while maximizing space and centralizing the fuel mass.

Showa spring fork

The 49mm Showa fork features a spring design that helps increase the front suspension's precision and feel, while the revised spring rate provides improved bottoming resistance and better handling.

Rear suspension

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