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Honda CRF450RL 2021 Owner's Manual & Off-Road Handbook page 39

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5. Lock the slide retainer [1] by pushing it until you hear
the "CLICK".
Make sure the connection is secure and that the slide
retainer is firmly locked into place; check visually and
by pulling the connector housing [2].
[1]
[2]
6. Fuel pump unit side:
Install the quick connect fitting cover [1] securely.
Fuel injector side:
Install the setting rubber [2] and clamp [3].
Install and tighten the bolt [4] securely.
• Align the clamp end with the clamper base groove [5].
Fuel pump unit side:
Fuel injector side:
[2]
[5]
7. Connect the battery negative (–) cable 1-13.
8. Connect the fuel pump 5P connector [1].
9. Temporarily install the fuel tank on the frame.
10.With the throttle closed, pull the clutch lever all the
11.Stop the engine.
FUEL FILTER
[1]
Disconnect the quick connect fitting from the fuel pump
unit side 2-10.
Remove the following:
– Fuel pump unit mounting nuts [1]
– Fuel pump unit mounting cap nut [2]
– Stay [3]
– Washers [4]
– Collars [5]
– Conical spring washers [6]
– Fuel pump plate [7]
• Loosen the mounting nuts in a crisscross pattern in
[3]
[4]
[1]
way in, and depress the starter switch.
The engine will start up by increasing the fuel
pressure.
Check that there is no leakage in the fuel supply
system 2-10.
two or three steps.
[7]
[3]
[2]/[4]/[5]/[6]
Maintenance
[1]/[4]/[5]/[6]
2-13

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