Honda CRF450R 2011 User Manual

48 Servicing Your Honda
Fuel System
Empty the fuel tank into an approved petrol
container using a commercially available hand
siphon or an equivalent method.
Be careful not to damage the fuel pump while
draining the fuel in the fuel tank.
Removal
1. Relieve the fuel pressure (page 45).
2. Disconnect the fuel line (page 45).
3. Remove the fuel pump mounting bolts (1),
stopper cable guide (2), stopper cable (3),
washers (4), collars (5), conical spring washers
(6) and fuel pump plate (7) while holding the
fuel tank.
4. Remove the fuel tank.
Be careful not to drop the fuel tank when remove
the stopper cable.
5. Remove the fuel pump unit (8) and O-rings (9).
Be careful not to damage the fuel pump unit.
6. Disconnect the fuel pump wire terminals (10)
from the fuel pump base (11).
Be careful not to damage the wires when
disconnect the fuel pump wire terminals.
Fuel Pump Filter Replacement
WARNING
Petrol is highly flammable and explosive.
You can be burned or seriously injured
when handling fuel.
• Stop the engine and keep heat, sparks
and flame away.
• Handle fuel only outdoors.
• Wipe up spills immediately.
(1) fuel pump mounting bolts
(2) stopper cable guide
(3) stopper cable
(4) washers
(5) collars
(6) conical spring washers
(7) fuel pump plate
(2)(3)
(1)
(4)
(5)
(6)
(7)
(8) fuel pump unit (9) O-rings
(10) fuel pump wire terminals
(11) fuel pump base
(8)
(9)
(10)
(11)
CRF450R.book Page 48 Thursday, July 8, 2010 9:34 AM

Honda CRF450R 2011 Specifications

General

Engine Type	449cc liquid-cooled single-cylinder four-stroke
Bore x Stroke	96.0mm x 62.1mm
Compression Ratio	12.0:1
Transmission	Close-ratio five-speed
Final Drive	#520 chain; 13T/48T
Front Brake	Single 240mm disc with twin-piston caliper
Rear Brake	Single 240mm disc
Front Tire	80/100-21
Rear Tire	120/80-19
Trail	114mm (4.5 inches)
Induction	PGM-FI, 46mm throttle body
Front Suspension	48mm inverted with rebound and compression damping adjustability; 12.2 inches travel
Rear Suspension	Pro-Link single shock with rebound and compression damping adjustability; 12.4 inches of travel
Wheelbase	58.7 inches
Seat Height	37.6 inches
Fuel Capacity	1.5 gallons