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Honda CRF450R 2011 User Manual

Honda CRF450R 2011
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Fuel System
(cont’d)
Servicing Your Honda 45
1. Hang the fuel tank to the left side of the frame
(page 38).
2. Disconnect the fuel pump connector (1).
3. Reposition the fuel tank and start the engine
and let it idle until the engine stalls.
Disconnection
1. Relieve the fuel pressure (page 45).
2. Hang the fuel tank to the left side of the frame.
3. Remove the fuel quick connect fitting cover
(1) from the fuel pump (2).
4. Check the fuel quick connect fitting (3) for
dirt, and clean if necessary.
5. Remove the bolt (4), clamp and setting rubber
(5).
6. Pull and release the joint rubber (6) of the
injector side from the retainer (7).
7. Place a shop towel (8) over the fuel quick
connect fitting.
Fuel Pressure Relieving
(1) fuel pump connector
(1)
Fuel Line Replacement
(1) fuel quick connect fitting cover
(2) fuel pump
(3) fuel quick connect fitting
(4) bolt (5) clamp and setting rubber
(1)
(2)
(3)
Injector side: Fuel Pump side:
(5)
(4)
(6) joint rubber (injector side only)
(7) retainer
(8) shop towel
(6)
(7)
(8)
Injector side: Fuel Pump side:
CRF450R.book Page 45 Thursday, July 8, 2010 9:34 AM

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Honda CRF450R 2011 Specifications

General IconGeneral
Engine Type449cc liquid-cooled single-cylinder four-stroke
Bore x Stroke96.0mm x 62.1mm
Compression Ratio12.0:1
TransmissionClose-ratio five-speed
Final Drive#520 chain; 13T/48T
Front BrakeSingle 240mm disc with twin-piston caliper
Rear BrakeSingle 240mm disc
Front Tire80/100-21
Rear Tire120/80-19
Trail114mm (4.5 inches)
InductionPGM-FI, 46mm throttle body
Front Suspension48mm inverted with rebound and compression damping adjustability; 12.2 inches travel
Rear SuspensionPro-Link single shock with rebound and compression damping adjustability; 12.4 inches of travel
Wheelbase58.7 inches
Seat Height37.6 inches
Fuel Capacity1.5 gallons

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