The 2010 model of the top model CRF 450R, the top model of the Honda commercial motocrosser series, improves the output characteristics of the low rotation range mainly by changing the programming of the PGM - FI without changing the basic configuration of the engine.By reviewing the auto decompression system, we improved the startability under various environments.48 Φ inverted fork whose setting was changed and the oil seal was improved, rear shock where the damping force characteristics were optimized by newly designing the main piston, raising the aging degree also.The position of the connection coupler has been changed to improve the accessibility of the optional HRC PGM-FI setting tool.

Maker	HONDA	Engine Type	Water-cooled/4-stroke/OHC/4 Valve/Single Cylinder
Model name	CRF450R	Engine Starting Method	Kick Starter
Type · Grade	-	Maximum Output (ps)	56.4ps(41.5kw)/8500rpm
Engine Operation	4 stroke	Maximum Torque (kgf/m)	5.13kg・m(50.3N・m)/7000rpm
Model	PE05	Vehicle Weight (Dry Weight)	96 kg
Displacement	449 cc	Vehicle Weight (Curb Weight)	107 kg
Release year	2009	Length(mm)・Height(mm)・Width(mm)	1273 x 827 x 2191
Fuel Efficiency by Catalog	-	Seat Height	954 mm
Fuel Tank Capacity	5.7 liters	Front Tire Indication	80/100-21 51M
Fuel Supply	Injection	for Rear Tire Indication	120/80-19 63M

Standard Plug	-	Sprocket size	Drive Sprocket Teeth Number 13 Driven Sprocket Teeth Number 48
Number of Used Plugs	-	Chain Size	520
Plug Gap	-	Battery Code	-
Engine Oil Amount	-	Head Light	- Headlamp Type: -
Engine Oil (Refill)	-	Headlamp Remarks	-
Engine Oil (Element Replacement)	-	Tail Light	- -
Front Blinker Rating	-	Rear Blinker Rating	-

Motor Model Code	-
Bore (mm)	96
Stroke (mm)	62.1
Compression Ratio	12
Ignition Method	Transistor Ignition
Engine Lubrication Type	-
Frame Type	Diamond Frame / Backbone Frame / Twin-Spar Frame
Minimum Rotaion Radius	-
Caster Angle	26.9度
Trail Amount (mm)	114.2
Minimum Ground Clearance	-
Distance Between Axes	-
Turning Angle (Right)	-
Turning Angle (Left)	-
Seating Capacity	-
Fuel Tank Reserve Capacity	-

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Front Brake Type	Single Disc
Front Brake Remarks	-
Rear Brake Type	Disc
Rear Brake Remarks	-
Suspension Type (Front)	Telescopic Type (Inverted Type Suspension) Cushion Stroke 310mm
Front Suspension Stroke	-
Front Fork Type	-
Front Fork Diameter	-
Suspension Type (Rear)	Swingarm Type (Pro Link) Axle Travel 320mm
Number of Rear Shock Absorbers	-
Rear Suspension Stroke	-
Rear Wheel Travel	-
ABS	Not Available
Drive System	Chain
Differential Oil Amount	-
Chain Remarks	-

Under Seat Capacity	-
Helmet Storage Box	Not Available
Mirror Screw Hole Diameter	10mm
Mirror Remarks	-
Electronic Device Remarks	-
Fuel Gauge	Not Available
Clock	Not Available
Hazard	Not Available
Anti Theft Device	Available
Tail Light Base Shape	-
Tail Light Base Shape 2	-
Tail Light Remarks	-
Front Blinker Bulb Type	-
Front Blinker Base Shape	-

Clutch Type	Multiplate Wet Clutch
Gear Ratio Type	Sequential Gearbox
Number of Gears	5
Gear Ratio	1.800 / 1.470 / 1.235 / 1.050 / 0.909
Primary Speed Reduction Ratio	2.739
Secondary Speed Reduction Ratio	3.692
Variable Speed Vehicle Gear Ratio	-
Tappet Clearance (mm) IN	-
Tappet Clearance (mm) EX	-
Idling Initial Value (rpm)	-
Needle Steps (Clip Location)	-
Float Level (mm)	-
Amount of returning Air Screw	-
Main Jet Type	-
Main Jet Number	-

Clutch Cable Length	-
Choke Cable Length	-
Meter Cable Length	-
Throttle Cable Length	-
Front Brake Cable Length	-
Rear Brake Cable Length	-
Other Cables	-
Engine Number (Production Launch)	-
Engine Number (Production End)	-


Electrical (36) 3.0	Frames / Protections (140) 4.0	Suspensions / Rearsets / Wheels / Swingarms (935) 4.1
Switches / Harnesses(12) Regulator / Lectifier(3) Lights(7) Gauges / Indicators(7) Other USB Power Supply Options / Repair Parts(1) Starter Motor(1) Alternator / Generator(5)	Other Frame Parts(1) Axle Slider(10) Engine Guard(8) Frame Covers(14) Chain Guard(16) Other Guards / Slider Options / Repair Parts(4) Kick Stands(20) Caliper Guard(4) Stand Spools(1) Underguard / Skid Plate(62)	Suspensions(390) Axle Block / Chain Adjuster(17) Wheel Parts / Accessories(298) Swingarm(2) Chain Roller(6) Chain Slider(29) Chain Guide(33) Foot Controls(117) Other Swingarm Options / Repair Parts(30) Swingarm Bearings(13)
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HONDA CRF450R

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2009 HONDA CRF450R

2009 HONDA CRF450R Specifications

2009 HONDA CRF450R Service Data

2009 HONDA CRF450R Service Data (Detail)

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