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2020 Honda CRF450R Features And Benefits

Chaparral Motorsports
|
May 7, 2019

Today Honda announced information and specs regarding the 2020 CRF450R. For 2020, Honda's flagship CRF450R-the same platform raced by Team Honda HRC's Ken Roczen and Cole Seely-puts more engine-management choices at the fingertips of racers, with the addition of Honda Selectable Torque Control (HSTC). Developed through HRC's worldwide racing effort, the system maximizes rear-tire hookup to keep all of the Unicam® engine's horsepower driving the bike and rider forward, improving racing success regardless of track conditions. In keeping with racing-body regulations, the system measures rate of rpm increase and adjusts delivery accordingly, and a handlebar-mounted switch enables selection from three levels of delivery (most in class). In addition, the CRF450R's front-rear balance is refined and handling is improved thanks to internal suspension updates, and a new battery position that lowers the machine's center of gravity. Improved rear-brake pad performance and durability, and the exclusive specification of Dunlop Geomax® MX3S tires round out a machine that's ready to take riders to the next level.

2020 Updates

[caption id="attachment_72880" align="aligncenter" width="300"] 2020 Honda CRF450R[/caption]


  • All-new Honda Selectable Torque Control with three levels of intervention. HSTC monitors rpm spikes and responds by temporarily reducing torque to aid rear traction. A handlebar-mounted switch allows selection between three modes, depending on conditions and rider preference.
  • Revised mapping for riding modes in Standard, Smooth and Aggressive options, selectable via a separate handlebar-mounted switch, enables simple tuning depending on rider preference or course conditions.
  • Revised internal fork and shock settings for improved chassis balance and overall handling.
  • Battery position lowered by 28mm accentuates moves center of gravity downward to further improve chassis balance and handling.
  • New rear brake-pad material for improved performance and increased durability.
  • Elimination of lower rear brake-rotor guard, to improve heat dissipation and reduce unsprung weight.
  • Updated graphics.

Engine/Drivetrain

  • 449cc single-cylinder engine with Unicam cylinder head, downdraft intake tract, electronic fuel injection and electric start offers unparalleled "Absolute Holeshot" performance.
  • Selectable HRC launch control provides a steady stream of torque for excellent performance on race starts.
  • Electric starter (powered by a lightweight lithium-ion battery).
  • Shift sensor allows a dedicated ignition map for each gear, enabling optimum running.

Chassis/Suspension

  • Twin-spar aluminum frame engineered for great traction and cornering feel, and to minimize weight.
  • Chassis layout allows heavier components to be located as centrally and low as possible for nimble handling and feel.
  • Front-brake caliper uses a pair of pistons (30mm and 27mm) for optimal braking performance on a 260mm rotor with a petal pattern to best dissipate heat.
  • Showa® shock and 49mm coil-spring fork.
  • Front brake hose resists expansion for precise, consistent braking feel.
  • Top triple clamp has two handlebar-clamp locations for moving the handlebar back and forth by 26mm. With reversible handlebar clamp enabling an additional 10mm of adjustment from the base position, there are a total of four different handlebar positions.
  • Black Renthal® Fatbar® handlebar encourages active riding position, while also contributing to light steering feel.
  • Footpegs shed mud and give the rider great feel and confidence in all riding conditions.
  • Lightweight, compact 1.66 gallon titanium fuel tank keeps weight to a minimum.
  • Black D.I.D rims deliver a strong presence on and off the track.
  • Minimization of lines and gaps in the plastic panels results in a smooth surface, facilitating riding-position changes.
  • In-mold graphics are durable and resistant to peeling caused by washing or abrasion.
  • Available only through Honda dealers, Dunlop Geomax MX3S tires provide superior bump absorption and excellent grip.








































































































































Model CRF450R
ENGINE  
Type 449.7cc liquid-cooled 10º single-cylinder four-stroke
Valve Train Unicam® OHC, four-valve; 38mm intake, titanium; 31mm exhaust, steel
Bore x Stroke 96.0mm x 62.1mm
Compression Ratio 13.5:1
Induction Programmed fuel-injection system (PGM-FI); 46mm throttle bore
Ignition Full transistorized
Starter Push-button electric starter
Transmission Constant-mesh 5-speed return; manual
Clutch Multiplate wet (6 springs)
Final Drive #520 chain; 13T/49T
SUSPENSION  
 

Front
49mm fully adjustable leading-axle inverted telescopic Showa coil-spring fork
w/ 12.0 in. travel
Rear Pro-Link system; fully adjustable Showa single shock w/ 12.4 in. wheel travel
BRAKES  
Front 2-piston caliper (30mm, 27mm) hydraulic; single 260mm disc
Rear 1-piston caliper hydraulic; single 240mm disc
TIRES  
Front Dunlop Geomax MX3S 80/100-21 w/ tube
Rear Dunlop Geomax MX3S 120/80-19 w/ tube
MEASUREMENTS  
Rake (Caster Angle) 27°22'
Trail 116mm (4.6 in.)
Length 85.9 in.
Width 32.6 in.
Height 49.6 in.
Ground Clearance 12.9 in.
Seat Height 37.8 in.
Wheelbase 58.4 in.
Fuel Capacity 1.66 gal.
Color Red
Curb Weight* 247 lbs.

Source: Honda News

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