Honda CRF450R 2020, Owner'S Manual & Competition Handbook

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48
Servicing Your Honda
Fuel System (CRF450RX)
12. Remove the fuel pump assembly (22) with fuel
pump filter (23), O-ring (24) from the fuel
pump unit holder (25).
13. Check the fuel pump filter (23) for clog,
damage or deterioration and replace it if
necessary.
14. Remove the fuel pump filter from the fuel
pump assembly (22).
Installation
1. Install the fuel pump filter (1) onto the fuel
pump assembly (2) aligning its hook (3) with
the joint boss (4) completely.
Be careful not to damage the hook.
2. Apply small amount of engine oil to a new
O-ring (5).
Install a new O-ring to the fuel pump assembly
(2).
3. Install the fuel pump assembly with fuel pump
filter into the fuel pump unit holder (6) while
routing the fuel pump red (7) and black (8)
wires through the holder grooves (9) as shown.
4. Install a new damper rubber (10) to the fuel
pump assembly as shown.
Install fuel pump stopper (11).
(22) fuel pump assembly
(23) fuel pump filter
(24) O-ring
(25) fuel pump unit holder
(22) fuel pump assembly
(23) fuel pump filter
(22)
(24)
(25)
(23)
(22)
(23)
(1) fuel pump filter (3) hook
(2) fuel pump assembly (4) joint boss
(2)
(3)
(4)
(1)
(2) fuel pump assembly (7) red wire
(5) O-ring (new) (8) black wire
(6) fuel pump unit holder (9) grooves
(10) damper rubber (new) (11) fuel pump stopper
(6)
(2)
(7)
(9)
(8) (5)
(11)
(10)