Suspension Parts for 2021 YAMAHA WR450F Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2021 YAMAHA WR450F. Every product in this category has been validated against year-specific fork and shock specifications to ensure true compatibility.
You’ll find fork components, shock parts, shims, upgrade kits, complete suspension systems, chassis components, and the tools and fluids required for accurate servicing - all aligned with the suspension setup of the 2021 YAMAHA WR450F.

Use this page as a reliable reference when maintaining, rebuilding, or upgrading your bike’s suspension.

Bike-Specific Suspension Specifications & Setup Information

CALCULATE SPRING RATES

This is a recommendation only please consult your manual

Ideal Fork Rate:

kg/mm ( N/mm)

Ideal Shock Rate:

kg/mm ( N/mm)

BIKE DETAILS

Stock Fork Spring Rate

0.48

Stock Shock Spring Rate

5.6kg

Bike Type

OFFROAD

Ideal Rider Weight

75 kg

Engine Specifications

4 Stroke Engine 450 cc

FORKS INFO

Fork Manufacturer

: KYB USD 48 mm OD

Fork Dimensions

Compression Nut Torque: 48 in-lb (0.56 kgf-m)
Fork Travel: 315 mm

Fork Features

Preload Adjuster: 7 mm Range
Twin Chamber Fork: Yes

Fork Oil

Fork Oil Weight: SAE 2.5
Fork Oil Level: 200cc/350cc mm
Oil Quanity: 2 Litres

Fork Spring Information

Spring Rate – Claimed: 0.48
Standard Preload: 7 mm

Fork Comments

: Check floating piston for cracking

SHOCKS INFO

Shock Manufacturer

KYB: 50 mm ID

Shock Dimensions

Nitrogen Pressure: 142 psi
Shock Length (Eye to Eye): 464 mm
Shock Travel: 120 mm
Shock Shaft Outer Diameter: 16 mm
Standard Sag: 103 mm
Shaft Nut Torque: 25 ft-lbs (34 NM)
Shock Oil: 2.5 Weight
Standard Preload: 15
Wheel Travel: 318 mm

Shock Features

Non-rebuildable: No

Shock Comments

: Replace alloy shock collars with steel if binding.

Fitment-Matched Suspension Parts by Category

FORK UPGRADE PARTS

18 Parts

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FORK SEALS & BUSHES

17 Parts

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FORK COMPRESSION ADJUSTER ASSY

30 Parts

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FORK O-RINGS

17 Parts

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SHOCK SHAFT PARTS

17 Parts

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SHOCK BODY PARTS

18 Parts

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SUSPENSION LOCKNUTS & BUSHES

26 Parts

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TOOLS & LUBRICANTS

39 Parts

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All Fitment-Matched Suspension Parts

Browse All 226 Products for YAMAHA WR450F 2021

Shock Seal Head Bullet 5Pc Kit

Techtool

Shock Seal Head Bullet 5Pc Kit

Shock Seal Head Bullet 5pc Kit
(SKU: 93-031-00)

$76.95
11 In Stock

Techtool Fork Tube Tool & Cartridge Rod Holding Plate

Techtool

Techtool Fork Tube Tool & Cartridge Rod Holding Plate

For KYB, Showa & WP Twin or Open Chamber Forks
(SKU: 93-032-00)

$220.00
15 In Stock

Eibach EMS Moto Front Fork Spring Kit. 43.7 x 499 (43.5-497) Yamaha YZF WR 2018 on *Discontinued** use 904 series

Eibach Suspension Technology

Eibach EMS Moto Front Fork Spring Kit. 43.7 x 499 (43.5-497) Yamaha YZF WR 2018 on *Discontinued** use 904 series

Made in the USA (QS9000) or Germany (ISO16949)
(SKU: 963)

From $249.94

spring rate: 0.42 kg/mm

$249.94
Nil Stock

Notify Me

spring rate: 0.54 kg/mm

$249.94
Nil Stock

spring rate: 0.56 kg/mm

$249.94
1 In Stock

DRC Fork Seal Driver Set | Universal | 40-50mm

DRC Zeta Hardware

DRC Fork Seal Driver Set | Universal | 40-50mm

DRC Fork Seal Driver Tool Set
(SKU: D59-26-005)

$177.09
5 In Stock

DRC FORK CAP WRENCH PRO | KYB | 49mm BLUE

Enzo Racing

DRC FORK CAP WRENCH PRO | KYB | 49mm BLUE

Developed by Enzo Racing
(SKU: D59-37-170)

$45.00
8 In Stock

DRC ENZO | Fork Cap Spinner | KYB/SHOWA

Enzo Racing

DRC ENZO | Fork Cap Spinner | KYB/SHOWA

Developed by Enzo Racing
(SKU: ED59-37-310)

$43.00
2 In Stock

Enzo TECHNICA Reduced Volume Bladder Cap 54mm KYB

Enzo Racing

Enzo TECHNICA Reduced Volume Bladder Cap 54mm KYB

(SKU: ER-BC54RC)

From $99.00

Colour: Blue
Notes: Reduced Capacity

$99.00
30 In Stock

Colour: Black
Notes: Reduced Capacity

$99.00
8 In Stock

Enzo Racing 54mm Standard Capacity Bladder Cap Blue

Enzo Racing

Enzo Racing 54mm Standard Capacity Bladder Cap Blue

(SKU: ER-BC54SC-BL)

Colour: Blue

Notes: Standard Capacity

$99.00
5 In Stock

Enzo Racing

Enzo Racing 54mm Flush Profile Standard Capacity Bladder Cap -Blue

(SKU: ER-BC54SCFP-BL)

Colour: Blue

Notes: Standard Capacity - Flush Profile

$99.00
5 In Stock

Enzo Technica Works Fork Spring Tubes

Enzo Racing

Enzo Technica Works Fork Spring Tubes

(SKU: ER-TFST)

From $495.00

Cartridge ID (mm): 24

$495.00
4 In Stock

Cartridge ID (mm): 25

$495.00
4 In Stock

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