Honda CRF450RX 2020 Owner's Manual & Competition Handbook page 63

Fuel System (CRF450R/RWE)
12. Remove the fuel pump assembly (24) from the
fuel pump unit holder (25).
13. Remove the O-ring (26) from the fuel pump
assembly.
(26)
(25) (24)
(24) fuel pump assembly
(25) fuel pump unit holder
(26) O-ring
14. Remove the fuel pump filter (27) from the fuel
pump assembly (24).
15. Check the fuel pump filter for clog, damage or
deterioration and replace it if necessary.
(24) fuel pump assembly
(27) fuel pump filter
58
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.
(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).
(24)
3. Install the fuel pump assembly with fuel pump
filter into the fuel pump unit holder (6) while
routing the fuel pump yellow (7) and green (8)
wires through the holder grooves (9) as shown.
(27)
(9)
(2)
(3)
(2) fuel pump assembly
(4)
(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
(7) (5)
(6) (8) (2)
(7) yellow wire
(8) green wire
(9) grooves
pump assembly as shown.
Install fuel pump stopper (11).
(11)
(10)