Engineering:Honda CRF450X
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| Manufacturer | Honda Motor Company |
|---|---|
| Class | Enduro |
| Engine | Single-cylinder, SOHC, Multivalve, water-cooled, four-stroke |
| Suspension | 47mm Showa Cartridge fork[1] |
| Related | Honda CRF250X Honda CRF450R |
The Honda CRF450X is an off-road motorcycle made by Honda Motor Company. It currently has a 450 cc (27 cu in) liquid-cooled single-cylinder engine. First offered in 2005,[2] the CRF450X shares very little with the CRF450R motocrosser.[1]
The CRF450X has seen massive success in the Baja 1000, seeing 11 victories and another 5 wins in the Baja 500.[3] Approximately 27,000 CRF450Xs have sold since October 2018.[3]
First generation: 2005-2007
The 2005 featured a wide-ratio transmission, electric start,[4] and an 18-inch rear wheel.[2]
Second generation: 2008-2017
| Production | 2008-2017 |
|---|---|
| Predecessor | First Generation CRF450X |
| Successor | Third Generation CRF450X |
| Engine | 449cc Liquid-cooled SOHC single-cylinder four-stroke, 96.0mm bore x 62.1mm stroke[5] |
| Transmission | 5-speed[5] |
| Suspension | Front: 47 mm (1.9 in) inverted Showa coil fork, 12.4 inches travel Rear: Showa shock absorber, 12.4 inches travel[5] |
| Brakes | Front: 240 mm (9.4 in) rotor with twin piston caliper [5] Rear: 240 mm (9.4 in) rotor[5] |
| Rake, trail | 27.05°, 4.5 in[5] |
| Wheelbase | 58.2 in (1,480 mm)[5] |
| Seat height | 37.9 in (960 mm)[5] |
| Weight | 269 lb (122 kg)[5] (wet) |
| Fuel capacity | 1.9 US gal (7.2 l; 1.6 imp gal)[5] |
For the 2008 model year, the CRF450X received a steering damper, smaller fuel tank, and a revised accelerator pump.[2]
Third generation: 2019-Present
| Production | 2019-Present |
|---|---|
| Predecessor | Second Generation CRF450X |
| Engine | 449cc Liquid-cooled SOHC single-cylinder four-stroke, 96.0mm bore x 62.1mm stroke[6] |
| Transmission | 6-speed[6] |
| Suspension | Front: 49 mm (1.9 in) inverted Showa coil fork Rear: Showa shock absorber[6] |
| Brakes | Front: Nissin 260 mm (10 in) rotor with twin piston caliper [3] Rear: 240 mm (9.4 in) rotor |
| Rake, trail | 28.0°, 4.6 in[6] |
| Wheelbase | 58.8 in (1,490 mm)[6] |
| Seat height | 37.4 in (950 mm)[6] |
| Weight | 275 lb (125 kg) (wet) |
| Fuel capacity | 2.0 US gal (7.6 l; 1.7 imp gal) |
For the 2019 model year, the CRF450X was an all new design, receiving fuel injection,[2] and a new CRF450R-based motor and chassis. CRF450X revisions to the motor include more crank mass & revised piston shape.[3]
References
- ↑ 1.0 1.1 "Honda CRF450X: The X-Files". https://www.cyclepedia.com/honda-crf450x-x-files/.
- ↑ 2.0 2.1 2.2 2.3 "2017 Honda CRF450X Test: Farewell to the Carb". 15 October 2018. https://ultimatemotorcycling.com/2018/10/15/2017-honda-crf450x-test-farewell-to-the-carb/.
- ↑ 3.0 3.1 3.2 3.3 "2019 Honda CRF450X First Ride Review". https://www.dirtrider.com/2019-honda-crf450x-first-ride-review/.
- ↑ "Honda CRF450X Review 2005". 11 May 2005. https://www.mcnews.com.au/honda-crf450x/.
- ↑ 5.00 5.01 5.02 5.03 5.04 5.05 5.06 5.07 5.08 5.09 "2008 Honda CRF450X Specifications". 6 September 2007. https://hondanews.com/en-US/releases/release-f6295e1ad85393ff252758004c34be3b-2008-honda-crf450x-specifications.
- ↑ 6.0 6.1 6.2 6.3 6.4 6.5 "2020 Honda CRF450X". https://www.cycleworld.com/story/buyers-guide/2020-honda-crf450x/.
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