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Honda CRF450RL 2021 Owner's Manual & Off-Road Handbook page 37

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INSPECTION
Lift the fuel tank 2-10.
Check the quick connect fitting cover [1] for proper
installation.
Remove the quick connect fitting cover.
Check the quick connect fittings [2] for looseness.
Check the quick connect fittings for dirt and clean if
necessary.
Check the fuel feed hose [3] for deterioration, damage, or
leakage and replace if necessary.
• For fuel line replacement 2-10.
[2]
[1]
[2]
[3]
QUICK CONNECT FITTING REMOVAL
• Before disconnecting the fuel feed hose, relieve
pressure from the system as follows.
1. Lift the fuel tank 2-10.
2. Support the fuel tank in an upright position onto the
frame.
3. Start the engine and let it idle until the engine stalls.
Turn the ignition switch OFF.
4. Disconnect the following:
– Fuel pump 5P connector [1]
– Battery negative (–) cable 1-13
[1]
5. Fuel pump unit side:
Remove the quick connect fitting cover [1].
Fuel injector side:
Remove the bolt [2], clamp [3], and setting rubber [4].
6. Check the fuel quick connect fittings [5] for dirt and
clean if necessary.
Fuel pump unit side:
[1]
7. Place a shop towel over the quick connect fitting.
Maintenance
Fuel injector side:
[4]
[2]
[3]
[5]
2-11

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Crf450l