Honda CRF450RX 2020 Owner's Manual & Competition Handbook page 53

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).
(25)
(24)
(22) fuel pump assembly
(23) fuel pump filter
(24) O-ring
(25) fuel pump unit holder
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).
(22) fuel pump assembly
(23) fuel pump filter
48
Servicing Your Honda
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.
(22)
(23)
(1)
(1) fuel pump filter
(2) fuel pump assembly
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
(22)
routing the fuel pump red (7) and black (8)
wires through the holder grooves (9) as shown.
(23)
(9)
(2)
(3)
(4)
(2) fuel pump assembly
(5) O-ring (new)
(6) fuel pump unit holder
4. Install a new damper rubber (10) to the fuel
(3) hook
(4) joint boss
(10) damper rubber (new) (11) fuel pump stopper
(6)
(7)
(8) (5)
(7) red wire
(8) black wire
(9) grooves
pump assembly as shown.
Install fuel pump stopper (11).
(11)
(10)
(2)