Honda CRF450R and CRF450RX updated for 2022

Honda CRF450R 2022 News Details_01

 

After a ground-up redesign for the 2021 model year Honda has opted to massage its range-topping off-road models for 2022 instead of reinventing them – applying tweaks to improve an already effective package.

Visually there are no clues to the changes under the skin, with even the colour schemes and graphics carried over from the 2021 machines to the 2022 models, but that belies the fact that there are invisible improvements to be found underneath.

 

Honda CRF450R 2022 News Details_02

 

The suspension has been the main focus of the changes, with the Showa forks and shock of both the pure motocross CRF450R and the cross-country CRF450RX machines getting internal alterations compared to the 2021 version.

Up front, the 49mm forks have a re-valved low speed shim stack to create firmer damping, while a further tweak is the reduction of oil volume from 388cc to 380cc. The rebound adjustment on both bikes is reduced to 13 steps – previously 15 for the CRF450R and 14 for the RX – while compression can still be adjusted between 15 positions on the R and 14 stages on the RX. Honda says the RX’s suspension settings are different to the R’s, to suit a wider range of terrain.

 

Honda CRF450R 2022 News Details_03

 

At the back, the Showa MKE AF2 shock also gets firmer damping across low, mid, and high-speed compression, while the level of adjustability is changed on both models. On the CRF450R, the rebound adjustment rises from 8 stages to 11 stages, while the high and low-speed compression adjustment is reduced from 12 steps to 6.

The CRF450RX’s rear shock gets more rebound adjustment, going from 10 positions to 13 positions in 2022, while low-speed compression adjustment drops from 9 to 7 stages and high-speed compression goes from 2 1/6 to 2 1/3. Oil volume increases 1cc on both models.

 

Honda CRF450RX 2022 News Details_04

 

While the 449.7cc ‘Unicam’ single is essentially unchanged for 2022, both the CRF450R and CRF450RX have revised ECUs that alter throttle mapping and improve low to mid-range rideability.

Other than those changes, the bikes carry over the same key updates from the 2021 models, including a lightweight frame and subframe, together more than 1kg lighter than the previous version despite adding more rigidity. The R version features a titanium, 6.3 litre fuel tank while the RX has an 8-litre plastic tank, and the RX model gains knuckle guards and an aluminium side stand that are missing from the full-on motocross version.

On the electronics side, both machines feature three riding modes and three launch control settings, as well as selectable traction control with three levels of intervention.

 

Honda CRF450RX 2022 News Details_05

 

ENGINE

Type

Liquid-cooled 4-stroke single cylinder uni-cam

Displacement

449.7cc

Bore ´ Stroke

96.0mm x 62.1mm

Compression Ratio

13.5 : 1

FUEL SYSTEM

Carburation

Fuel injection

Fuel Tank Capacity

6.3 litres (RX - 8 litres)

ELECTRICAL SYSTEM

Ignition

Digital CDI

Starter

Self-Starter

DRIVETRAIN

Clutch Type

Wet type multi-plate

Transmission Type

Constant mesh, 5-speed,manual

Final Drive

Chain

FRAME

Type

Aluminium twin tube

CHASSIS

Dimensions (L´W´H)

2,182 x 827 x 1,267mm (RX - 2,182 x 839 x 1,282mm)

Wheelbase

1,481mm (RX - 1,477mm)

Caster Angle

27.1° (RX - 27.2°)

Trail

114mm (RX - 115mm)

Seat Height

965mm

Ground Clearance

336mm

Weight

Dry 105.8kg – wet 110.6kg (RX - Dry 107.3kg – Wet 113.4kg)

SUSPENSION

Type Front

Showa 49mm USD fork

Type Rear

Showa monoshock using Honda Pro-Link

WHEELS

 

Type Front

Aluminium, spoked

Type Rear

Aluminium, spoked

Tyres Front

80/100-21-51M Dunlop MX33F (RX - 90/90-21M Dunlop Geomax AT81F)

Tyres Rear

120/80-19-63M Dunlop MX33 (RX - 120/90-18M Dunlop Geomax AT81)

BRAKES

Front

Single 260mm disc

Rear

Single 240mm disc

 

Honda CRF450RX 2022 News Details_06
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