Honda CRF450R 2020, Owner'S Manual & Competition Handbook

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Fuel System (CRF450R/RWE)
(cont’d)
Servicing Your Honda
59
5. Apply small amount of engine oil to a new
O-ring (12).
Install a new O-ring to the fuel pump base (13).
6. Install the fuel pump unit holder assembly (14)
into the fuel pump base while aligning its
hooks (15) with the grooves (16) in the fuel
pump base tabs (17).
If the gap between the hooks and tabs is more
than 0.04 in (1.0 mm), replace the fuel pump
unit.
Be sure that the hooks are completely seated.
7. Connect the fuel pump yellow (18) and green
(19) wire terminals to the fuel pump base
terminals (20). Push the wire terminals until
they stop as shown.
Be careful not to damage the wires.
8. Install a new dust seal (21) by aligning its tabs
(22) with the fuel pump unit grooves (23).
Check the dust seal lug (24) which is located the
index mark (25) of the fuel pump base (13).
9. Apply small amount of engine oil to a new
O-ring (26).
Install a new O-ring into the between the collar
A (27) and collar B (28) of the fuel pump unit
(29).
10. Install the fuel pump unit (29) into the fuel tank
(30) with its hose joint facing forward.
Be careful not to damage the fuel pump unit.
(12) O-ring (new)
(13) fuel pump base
(14) fuel pump unit holder assembly
(15) hooks
(16) grooves
(17) tabs
(13)
(16) (17)
(12) (17) (16)
(14)
(15)
(18) yellow wire terminal
(19) green wire terminal
(20) fuel pump base terminals
(13) fuel pump base (23) grooves
(21) dust seal (new) (24) dust seal lug
(22) tabs (25) index mark
(18)
(19)
(20)
(18)
(20)
(19)
(13)
(21)
(24) (25)
(24)
(23) (22)
(26) O-ring (new) (28) collar B
(27) collar A (29) fuel pump unit
(29) fuel pump unit
(30) fuel tank
(28)
(29)
(26)
(27)
(29)
(30)