Key performance
Technical specifications
- Power
- 51.0 ch @ 8500 tr/min (37.5 kW) → 62.0 ch @ 9000 tr/min (38.7 kW)
- Torque
- 47.7 Nm @ 6500 tr/min → 48.0 Nm @ 7000 tr/min
- Compression ratio
- 12.5:1 → 13.5:1
- Fuel system
- Injection. PGM-Fi → Injection. Programmed Fuel Injection (PGM-FI), 46mm downdraft throttle body Read
- Valve timing
- — → Single Overhead Cams (SOHC)
- Ignition
- Full transister → DC-CDI
- Clutch
- Multi plate wet clutch → Multi plate wet
- Front suspension
- Showa telescopic (Inverted) 43mm diameter slide pipe → 49mm inverted Showa fork with rebound and compression damping adjustability.
- Rear suspension
- Swing arm (Pro-link suspension system) 40mm diameter cylinder → Pro-Link® Showa single shock with adjustable spring preload, rebound and compression damping adjustability.
- Front wheel travel
- 61 mm (2.4 inches) → 305 mm (12.0 inches)
- Rear wheel travel
- 61 mm (2.4 inches) → 312 mm (12.3 inches)
- Seat height
- 953.00 mm → 960.00 mm
- Wheelbase
- 1492.00 mm → 1481.00 mm
- Fuel capacity
- 6.40 L → 6.43 L
- Weight
- 111.00 kg → 112.00 kg
- New price
- 8 690 € → 9 599 €
Engine
- Displacement
- 450 cc
- Power
- 62.0 ch @ 9000 tr/min (38.7 kW)
- Torque
- 48.0 Nm @ 7000 tr/min
- Engine type
- Single cylinder, four-stroke
- Cooling
- Liquid
- Compression ratio
- 13.5:1
- Bore × stroke
- 96.0 x 62.1 mm (3.8 x 2.4 inches)
- Valves/cylinder
- 4
- Camshafts
- 1 ACT
- Fuel system
- Injection. Programmed Fuel Injection (PGM-FI), 46mm downdraft throttle body Read
- Valve timing
- Single Overhead Cams (SOHC)
- Ignition
- DC-CDI
- Starter
- Kick
Chassis
- Frame
- Aluminium twin tube
- Gearbox
- 5-speed
- Final drive
- Chain (final drive)
- Clutch
- Multi plate wet
- Front suspension
- 49mm inverted Showa fork with rebound and compression damping adjustability.
- Rear suspension
- Pro-Link® Showa single shock with adjustable spring preload, rebound and compression damping adjustability.
- Front wheel travel
- 305 mm (12.0 inches)
- Rear wheel travel
- 312 mm (12.3 inches)
Brakes
- Front brakes
- Single disc. Hydraulic. Two-piston calipers.
- Rear brakes
- Single disc. Hydraulic. Single-piston caliper.
- Front tyre
- 80/100-21
- Rear tyre
- 120/80-19
Dimensions
- Seat height
- 960.00 mm
- Wheelbase
- 1481.00 mm
- Ground clearance
- 330.00 mm
- Length
- 2191.00 mm
- Width
- 827.00 mm
- Height
- 1271.00 mm
- Fuel capacity
- 6.43 L
- Weight
- 112.00 kg
- New price
- 9 599 €
Overview
When Tim Gajser stacks up world titles in MXGP on his Honda CRF450R, it's no coincidence. The machine that helped him shine in 2019 receives a targeted but significant evolution for 2020, centered on onboard electronics. Honda isn't revolutionizing its 450 motocrosser — it's refining it. And in a class where hundredths of a second separate the podium from the pack, that's often where races are won.

The big news for this model year is the HSTC, or Honda Selectable Torque Control. Behind the acronym lies a traction control system developed by HRC, Honda's racing department. Three modes let the rider adjust the level of intervention, with the system monitoring engine speed variations to limit rear wheel traction loss. No wheel speed sensor here — everything runs through fine-tuned analysis of the ignition and PGM-FI fuel injection. The result? A throttle that retains all its progressiveness, even when the system is working in the background. And for purists who prefer to manage everything by wrist, the HSTC can be fully deactivated. On engine restart, it returns to the last selected mode. Clever.
The 449.7 cc single-cylinder four-stroke produces 62 horsepower at 9,000 rpm and 48 Nm of torque from 7,000 rpm. Figures that are on par for the class, but on a motocross track, it's the quality of power delivery that makes the difference. With a 13.5:1 compression ratio and a bore significantly larger than the stroke (96 mm versus 62.1 mm), this engine is built to rev quickly and hit hard on corner exits. All housed in a twin-spar aluminum frame, with a wet weight of 112 kg. That's two kilos more than a KTM 450 SX-F, but the Honda compensates with a chassis offering remarkably well-balanced rigidity. The Showa suspension — 49 mm inverted fork and Pro-Link single shock — is fully adjustable in rebound and compression. For 2020, Honda has also revised the baseline settings to better handle hard braking, with reinforced low-speed compression damping. The rear brake pads have been reworked as well for improved bite and longevity, a detail that matters when you're lining up moto after moto.

Against the competition, the Honda CRF450R sits at the upper end of the price bracket at €9,599. The Yamaha YZ450F and Kawasaki KX450 play in the same waters, while the Austrian duo KTM and Husqvarna take a different approach with their standard electric starter. Honda, for its part, banks on its HRC start-assist system and this new electronic management to justify its price. The 6.43-liter tank remains modest, but that's the norm in pure motocross. The seat height of 960 mm and ground clearance of 330 mm are reminders that this machine is aimed at experienced riders, not beginners looking for weekend thrills. Since its debut in 2002, the CRF450R has continuously evolved, from the carbureted versions of the early years to more recent generations that progressively integrated fuel injection and then advanced electronics. Whether we're talking about the Honda CRF450R 2005, 2012, 2016, 2018, or this 2020 model, the philosophy remains the same: deliver a solid, predictable working platform that each rider can adapt to their style.
This 2020 CRF450R doesn't claim to reinvent motocross. It takes an already competitive platform and grafts on an extra layer of intelligence. The HSTC will never replace talent on the handlebars, but on a rain-soaked track or a rutted-out course at the end of the day, it could well deliver the few tenths that separate the top 5 from the rest of the field. Honda is playing the technical maturity card, and on that ground, few manufacturers can compete.
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