Honda CRF 450 R 2014

2 Июн 2015 | Author: | Комментарии к записи Honda CRF 450 R 2014 отключены
Honda CRF 450 R

Honda CRF450R 2014

an agile state-of-the-art chassis to four-… power and torque, its introduction in 2002 the Honda has proven itself a complete, package for the professional Motocross while its reliability, longevity and quality have also it a popular machine for the amateur and hobby rider alike.


Delivering improved torque, the CRF450R’s 449cc engine benefits from new Fuel injection timing and twin rear silencers the clutch features lighter – with no loss of durability. modifications are aimed at providing a yet sensitive connection to the rear enhancing rear wheel and drive plus the rider’s for available grip. Work on the and exhaust ports by the CRF450R’s engineers has also produced over-rev and power at peak

The sixth generation aluminium frame remains unchanged for as do the aluminium swingarm and Pro-Link suspension linkage. Rebound and damping have been on the company KYB rear shock, and the KYB front forks receive internals for improved damping The CRF450R’s crisp styling – stark form with function – allows the rider freedom to move intuitively.

The CRF450R’s liquid-cooled, four-valve engine’s bore and … is set at x 62.1mm with 36mm valves and 31mm exhaust Both inlet and exhaust have been redesigned and to improve gas flow and combustion complemented by the new PGM-FI Dual injection timing that sensitive feel for power and at partial throttle openings. The body diameter is 46mm and ratio is 12.5:1.

Shot-peening the skirt with molybdenum reduces friction while the oil jet uses two holes instead of for improved cooling of its underside. power and torque, the six-spring features new springs for a lighter action with no loss of or durability. The five-speed close-ratio is unchanged.

The short rhombohedral twin silencers – another key part of the centralisation process – feature new the left/right junction area has optimised to improve the balance and of exhaust gas and back pressure. the CRF450R’s new engine specification in three key areas: improved torque for punching out of corners, feel at partial throttle to control drive and manage the traction and greater top-end and over-rev, for instant high-rpm and the ability to hold a given for longer.


The 9.35kg twin-beam frame was designed the outset around the 48mm KYB air front fork, building on the suspension performance to deliver front tyre side-grip. mass-centralisation – and the the low centre of gravity – physical inertia with high-speed stability. Rake of with trail of 116mm and of 1,492mm gives razor-sharp and increased feel for available

The KYB fork maintains its advantage conventional steel springs, faster response in directional transitions from compression to with significantly less For 2014 the KYB units receive rebound pistons/centre rods new oil lock guides, for improved oil and damping characteristics. In a sport the most marginal gains 25g weight has also been … remains 310mm.

adjustable for rebound and compression preload is increased or decreased via the air valve fitted on the top of the fork Standard pressure is 230kPa minimum pressure is 220kPa and maximum pressure is 250kPa The CRF450R can also be tied for transport simply by removing air lowering the front end with no of damaging fork seals.

The aluminum swingarm provides rigidity for less deflection in and improved corner-exit traction. It a compact, fully adjustable preload and rebound damping, high and low speed compression KYB rear shock; the benefit of centralisation in this area is pitching inertia along the centre line – harder is possible with improved The shock’s … is set at 133.5mm, 315mm axle travel.

packaging of equipment around the contributes to mass centralisation; all of the components – ECU, condenser, and wiring harness – are lightweight and located below the throttle

Honda CRF 450 R
Honda CRF 450 R

The 2014 CRF450R’s bodywork the ‘triangle proportion’ that has set the CRF family of competition machines A phrase used by Honda’s during initial development of the model was ‘man maximum, minimum’. Essentially the machine is about human needs, the first and foremost and mass plus enhanced ergonomics are at the of the CRF450R’s shape.

In support of this the shrouds, covers, seat and fuel offer a slim, smooth and transition allowing the rider a deal of freedom and flexibility of The radiator shrouds incorporate channels for maximum airflow through and out of the compact radiators.

The disc cover is designed in two for easier maintenance of the 240mm disc and twin-piston brake The rear brake is a 240mm disc with single-piston Both calipers use sintered brake pads.

Lightweight rims, with directly spoke pattern layout unsprung weight; front size is 21 x 1.6in and 80/100-21 the rear is 19 x 2.5in and 110-90/19


Type: 4 …, cylinder, uni-cam


Bore x Stroke: 96.0mm x

Compression Ratio: 12.5:1

Honda CRF 450 R
Honda CRF 450 R
Honda CRF 450 R
Honda CRF 450 R
Honda CRF 450 R
Honda CRF 450 R
Honda CRF 450 R
Honda CRF 450 R
Honda CRF 450 R


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