Difference between revisions of "Honda CRF450"

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{{DISPLAYTITLE: Honda CRF 450 R/X/RX}}
 
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[[file: 2021-Honda-CRF450R.jpg | 600px | center | Honda CRF450R (2021)]]
 
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* [[Yamaha_YZ450F | Yamaha YZ450F]]
 
* [[Yamaha_YZ450F | Yamaha YZ450F]]
  
''' Main competitors 450X / RX: '''
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''' Main competitors 450X/RX: '''
 
* [[Beta_RR_4T_480|Beta RR 480]]
 
* [[Beta_RR_4T_480|Beta RR 480]]
 
* [[Kawasaki_KLX450 | Kawasaki KLX450R]]
 
* [[Kawasaki_KLX450 | Kawasaki KLX450R]]

Latest revision as of 14:23, 26 May 2023

Honda CRF450R (2021)

The Honda CRF450 off-road motorcycle series appeared in November 2001 (model year 2002) with the Honda CRF450R crossover model, which was intended to replace the 2-stroke version Honda CR500 and to offer the market a motorcycle more suitable for classic motocross (due to the excess power, the CR500 was more suitable for racing in the desert).

Main competitors 450R:

Main competitors 450X/RX:

In 2005, the enduro Honda CRF450X was added to the CRF 450 range. Built on the basis of the frame and engine from the CRF450R, it differed from it in the engine settings (less forced, more torque at the bottom), suspensions, exhaust system, the presence of a headlight, an electric starter, an 18 'rear wheel and an increased fuel tank capacity. This model was intended to replace the obsolete Honda XR400 and to make a more hard-enduro bias. Unlike the CRF450R, the enduro version of the Honda CRF450X was not officially marketed in the Japanese market.

In September 2008 (model year 2009), the Honda CRF450R undergoes its first major facelift. The motorcycle is equipped with a new engine, which now weighs almost 2 kg lighter. In addition, electronic fuel injection (PGM-FI), a new intake system and a new titanium exhaust system have been implemented in place of the carburetor. The frame has become more rigid, the geometry of the chassis has changed (in particular, the swingarm). The pendants have changed their settings.

By August 2012, Honda is again updating the crossover version of the Honda CRF450R, offering the market a new version of the 2013 model year. The motorcycle is equipped with a new generation frame and a dual exhaust system (to achieve optimal motorcycle weight distribution). Changed and reconfigured suspensions - the front fork becomes pneumatic and reduces weight by 800 grams. The front suspension can now be quickly and easily adjusted by changing the air pressure in it. New engine - increased valves, increased compression ratio, new settings for the injection system.

In September 2016 (model year 2017), the Honda CRF450R undergoes another restyling, receiving a new engine (increased valve lift, new valve springs, a new shape of the combustion chamber, a new oil pump system, an increase in the diameter of the intake valves, an increase in the compression ratio). New electronic systems: HRC Launch Control, Engine Mode Select Button (EMSB). New Showa front suspension. New rear suspension settings. In the same year, the enduro modification of the Honda CRF450X is seriously updated. It changes its name to Honda CRF450RX and gets the same engine as the Honda CRF450R. Both models are now unified with each other, and differ only in the settings / geometry of the suspensions, mass-dimensional characteristics, fuel tank capacity, gear ratio of the main pair and the dimension of the wheels. The new Honda CRF450RX is also available in the Japanese domestic market.

In August 2018, Honda also introduced a budget soft enduro model - Honda CRF450L.

Photos


Specifications

Specifications Honda CRF450:

Model Honda CRF450R - Cross

Honda CRF450X (RX) - Enduro

Release year 2002+
Frame aluminum half duplex
Engine type 1-cylinder, 4-stroke
Working volume 449.4 cm³
Bore / stroke 96.0 x 62.1 mm
Compression ratio 11.5: 1 - CRF450R (2002-2008)

12.0: 1 - CRF450R (2009-2011), CRF450X

12.5: 1 - CRF450R (2012-2016)

13.5: 1 - CRF450R (2017+), CRF450RX

Cooling liquid
Number of valves per cylinder SOHC, 4 valves
Fuel supply system Carburetor, 1x Keihin FCR 40mm - CRF450R (2002-2008), CRF450X

Injector (PGM-FI), 1x 50mm - CRF450R (2009-2016)

Injector (PGM-FI), 1x 46mm - CRF450R (2017+), CRF450RX

Ignition type CDI - CRF450R (2002-2008), CRF450X

Fully Transistor - CRF450R (2009-2016)

DC-CDI - CRF450R (2017+), CRF450RX

Maximum power 55.7 hp (41.0 kW) @ 9000 rpm - CRF450R (2002-2008)

56.4 h.p. (41.5 kW) @ 8500 rpm - CRF450R (2009-2011)

60 h.p. (44.1 kW) - CRF450R (2017+), CRF450RX

45.0 h.p. (33.1 kW) @ 7500 rpm - CRF450X

HRC Launch Control, Engine Mode Select Button (EMSB) - CRF450R (2017+)

Maximum torque 50.2 Nm (5.12 kg * m) @ 6500 rpm - CRF450R (2002-2008)

50.3 Nm (5.13 kg * m) @ 7000 rpm - CRF450R (2009-2011)

43.0 Nm (4.4 kg * m) @ 7000 rpm - CRF450X

Gearbox 5-speed
Drive type chain
Front tire size 80 / 100-21 51M

90 / 90-21 54M - CRF450RX

Rear tire size 120 / 80-19 63M - CRF450R

110 / 100-18 64M - CRF450X

120 / 90-18 65M - CRF450RX

Front brakes 1 disc, 2-piston caliper
Rear brakes 1 disc, 1-piston caliper
Front suspension Inverted Fork (Fully Adjustable), 315mm Travel - CRF450R (2002-2008), CRF450X

Inverted Fork (Fully Adjustable) - 310mm Travel - CRF450R (2009-2016)

Inverted Fork (Fully Adjustable), 268mm Travel - CRF450R (2017+), CRF450RX

Rear suspension Pro-link Pro-link Progressive linkage with Monoshock (Fully Adjustable), 314mm Travel - CRF450R (2002-2008)

Pro-link Pro-Link Progressive linkage with Monoshock (Fully Adjustable), 320mm Travel - CRF450R (2009-2011)

Pro-link Pro-link swingarm with monoshock (fully adjustable), 315mm travel - CRF450R (2012-2016)

Pro-link Pro-link swingarm with monoshock (fully adjustable), 314mm travel - CRF450R (2017+)

Pro-link linkage progressive with monoshock (fully adjustable), stroke - 312 mm - CRF450X, CRF450RX

Motorcycle length 2186mm - CRF450R (2002-2008)

2191 mm - CRF450R (2009-2016)

2183 mm - CRF450R (2017+)

2180 mm - CRF450X

2175 mm - CRF450RX

Motorcycle width 825mm - CRF450R (2002-2008)

827 mm - CRF450R (2009+), CRF450RX

821 mm - CRF450X

Motorcycle height 1257mm - CRF450R (2002-2008)

1273 mm - CRF450R (2009-2011), CRF450X

1271 mm - CRF450R (2012-2016)

1274 mm - CRF450R (2017+), CRF450RX

Wheelbase 1486mm - CRF450R (2002-2008)

1491 mm - CRF450R (2009-2011)

1492 mm - CRF450R (2012-2016)

1482 mm - CRF450R (2017+)

1483 mm - CRF450X

1477 mm - CRF450RX

Saddle height 953mm - CRF450R (2002-2008, 2012+)

954mm - CRF450R (2009-2011)

960 mm - CRF450R (2017+)

963 mm - CRF450X

959 mm - CRF450RX

Minimum ground clearance 337mm - CRF450R (2002-2008)

332mm - CRF450R (2009-2011)

330 mm - CRF450R (2012-2016)

328mm - CRF450R (2017+), CRF450RX

345 mm - CRF450X

Acceleration to 100 km / h
Maximum speed
Fuel tank capacity 7.5L - CRF450R (2002-2008)

5.7 L - CRF450R (2009-2011)

6.3 L - CRF450R (2012+)

8.6 L - CRF450X (2005-2007)

7.2 L - CRF450X (after 2007)

8.5 L - CRF450RX

Motorcycle weight (dry) 102 kg - CRF450R (2002-2008)

113 kg - CRF450X

Motorcycle weight (curb) 106.9 kg - CRF450R (2009-2011)

111.0 kg - CRF450R (2012-2016)

110.0 kg - CRF450R (2017+)

118.0 kg - CRF450RX

Honda Off-Road Motorcycles

Honda
85-150 см³ CR85R · CR125R · XR125 · CRF150R
200-250 см³ CR250R · CRF250R/X · CRF250L · CRM250 · XR250 · NX250
400-500 см³ XR400 · CRF450 · CRF450L · CR500
600-750 см³ XR650

Documentation