2021 Honda CRF400RX

Honda CRF400RX 2021


2021 Honda CRF400RX specifications, pictures, reviews and rating

Honda's profilation of this bike
For 2021 the CRF400RX receives a wide array of improvements under a development theme of ‘The ultimate off-road weapon´. Firstly it is 2.3kg lighter thanks to a revised frame and subframe. The new frame and swingarm’s rigidity balance, combined with tighter chassis geometry, heightened ground clearance and suspension changes, are all targeted at creating optimal cornering performance.

General information
Model name Honda CRF400RX
Year 2021
Category Enduro / offroad
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Engine and transmission
Displacement 413.0 ccm (25.20 cubic inches)
Engine type Single cylinder, four-stroke
Compression 13.5:1
Bore x stroke 92.0 x 62.1 mm (3.6 x 2.4 inches)
Valves per cylinder 4
Fuel system Injection. Electronic Fuel injection with ESMB map selection
Fuel control Double Overhead Cams/Twin Cam (DOHC)
Ignition Digital CDi
Cooling system Liquid
Gearbox 5-speed
Transmission type Chain (final drive)
Clutch Multi plate wet
Driveline Sealed 520 chain; 13T/48T
Chassis, suspension, brakes and wheels
Frame type Aluminium frame and swingarm
Rake (fork angle) 27.1°
Trail 114 mm (4.5 inches)
Front suspension Showa 49mm USD fork
Front wheel travel 305 mm (12.0 inches)
Rear suspension Showa monoshock using Honda Pro-Link system
Rear wheel travel 315 mm (12.4 inches)
Front tire 90/90-21
Rear tire 140/80-18
Front brakes Single disc. Hydraulic
Diameter 260 mm (10.2 inches)
Rear brakes Single disc. Hydraulic
Diameter 240 mm (9.4 inches)
Wheels DID DIRT STAR aluminium wheels. Metzeler Six Days Extreme tires.
Physical measures and capacities
Weight incl. oil, gas, etc 107.6 kg (237.2 pounds)
Seat height 965 mm (38.0 inches) If adjustable, lowest setting.
Overall height 1282 mm (50.5 inches)
Overall length 2182 mm (85.9 inches)
Overall width 839 mm (33.0 inches)
Ground clearance 336 mm (13.2 inches)
Wheelbase 1481 mm (58.3 inches)
Fuel capacity 7.30 litres (1.93 US gallons)
Oil capacity 1.30 litres (1.37 US quarts)
Other specifications
Color options Red
Starter Electric
Electrical Lithium-iron-phosphate battery
Comments 3 power modes. Model ID: CRF400RX.
Update specsReport missing specs or required updates.
Further information
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MaintenanceFind parts, fluids. filters, maintenance tools and service manuals at Amazon.com.
Ask questionsJoin the 21 Honda CRF400RX discussion group or the general Honda discussion group.
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