Optional Parts List - Honda CRF450RX 2020 Owner's Manual & Competition Handbook

Optional Parts List

These parts and tools may be ordered from your
authorized dealer.
FRAME Remarks
Driven sprocket < >: Drive chain links
CRF450RX: 50 Teeth, Aluminum
CRF450R/RWE: 49 Teeth,
Standard
<114>
CRF450RX: 49 Teeth, Aluminum
CRF450R/RWE: 48 Teeth,
Optional
CRF450RX: 51 Teeth, Aluminum
CRF450R/RWE: 50 Teeth,
Drive chain CRF450RX: RK520EXU/120LJFZ
size/link CRF450R: RK520TXZ/120RJ
Rear brake pads
Characteristics focusing on
Standard
braking force and wear resistance.
Characteristics that emphasize
Optional
controllability.
Rear brake disc To extend the life of brake pads in
cover and bolts muddy conditions.
TOOLS Remarks
Pin spanner A To adjust spring preload.
(two spanners required)
Workstand For maintenance
Air gauge For checking tire air pressure
FRAME
Fork spring
Standard
(Medium)
Aluminum
Aluminum
Optional
Soft
Aluminum
Stiff
Remarks
CRF450RX: 27.4 lbf/in (4.8 N/mm)
1 scribe mark or
no mark
(factory products)
CRF450R/RWE: 28.6 Ibf/in
(5.0 N/mm)
2 scribe marks or
no mark
(factory products)
CRF450RX: 26.3 lbf/in (4.6 N/mm)
1 scribe mark
CRF450R/RWE: 27.4 Ibf/in
(4.8 N/mm)
1 scribe mark
CRF450RX: 28.6 lbf/in (5.0 N/mm)
2 scribe marks
CRF450R/RWE: 29.7 Ibf/in
(5.2 N/mm)
3 scribe marks

Optional Parts List

FRAME Remarks
Shock spring CRF450RX: 296.9 lbf/in (52 N/mm)
CRF450R/RWE: 319.8 lbf/in
Standard
CRF450RX:
(Medium)
Red paint or
no mark
(factory products)
CRF450R/RWE:
Blue paint or
no mark
(factory products)
Optional
Soft CRF450RX: 285.5 lbf/in (50 N/mm)
CRF450R/RWE: 308.3 lbf/in
CRF450RX:
Pink paint
CRF450R/RWE:
White paint
Stiff CRF450RX: 308.3 lbf/in (54 N/mm)
CRF450R/RWE: 331.2 lbf/in
CRF450RX:
White paint
CRF450R/RWE:
Yellow paint
The standard fork spring and shock spring
mounted on the motorcycle when it leaves the
factory are not marked. Before replacing the
springs, be sure to mark them so they can be
distinguished other optional springs.
Technical Information
(56 N/mm)
(54 N/mm)
(58 N/mm)
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