Honda CRF450RL (PD11) — Enduro
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2021 · Enduro · Buyer's Guide

CRF450RL (PD11)

The Street-Legal Singletrack Weapon

The Machine's Character

The CRF450RL is not a soft trail bike wearing motocross plastics. Honda took its top motocross chassis and engine, gave the gearbox six wider-spaced ratios, bolted on lights and a plate, and stopped there. You get a 449 cc liquid-cooled single in an aluminum twin-spar frame, with fully adjustable Showa suspension offering 12.0 in (305 mm) of travel up front and 11.8 in (300 mm) at the rear. There is no ABS, no traction control and no ride modes. Every decision is yours. At 291 lb (132 kg) wet, it's one of the most purely off-road machines you can register for the street.

It feels most at home in tight woods, deep sand and technical singletrack, the places where heavier dual-sports turn into a liability. The power is sharp and the throttle needs a precise hand. That makes it a bike for committed, experienced riders, not a first dirt bike. It's a race-bred engine, so it wants frequent oil changes and valve checks. Here is the honest caveat, and in my book it matters most on an enduro: the low-end fueling has a consistent hiccup and the engine can pop-stall at random on the trail. A tuned fuel map is the first job on the list. Get that sorted and the rest of the package is very hard to fault.

Hard Numbers

Spec sheets don't ride bikes, but they set the baseline.

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Key specifications
Displacement 449 cc
Engine Single-cylinder
Cooling Liquid-cooled
Gearbox 6-speed
Final drive Chain
Fork Upside-down (USD)
Front brake 260 mm
Front tire 80/100-21
Rear tire 120/80-18
Wheelbase 59.1 in (1500 mm)
Ground clearance 12.6 in (320 mm)
Front travel 12.0 in (305 mm)
Rear travel 11.8 in (300 mm)
Seat height 37.2 in (945 mm)
Wet weight 291 lb (132 kg)
Fuel capacity 2.0 gal (7.6 L)
Fuel economy 41 mpg (US)

Equipment check

Chassis

  • Front Suspension Adjustable Standard
  • Rear Suspension Adjustable Standard

Lighting

  • LED Headlight Standard
Aerial drone view of Palomar Divide Road winding through chaparral-covered mountain ridges in San Diego County. Multiple S-curve sections descend through sparse vegetation with distant valley views visible in the haze. Gravel and packed-earth surface.

Known issues

  • Low-end fueling hiccup and flameouts

    fuel system common

    The engine exhibits a consistent fueling hiccup on the bottom end.

  • Random pop-stalls

    engine occasional

    The engine suffers from random pop-stalls during trail riding.

  • cold-blooded start requiring warm-up idle

    engine occasional

    The engine runs cold-blooded after starting and requires idling to warm up properly.

The Numbers Compared

Compare the technical specifications of the Honda CRF450RL with other bikes in its class.

Head-to-head: Honda CRF450RL vs. its rivals