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 COMPRESSION ADJUSTER ASSY

30 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

KYB Factory Kit Fork YZF250/450 14-2025

KYB Factory Kit Fork YZF250/450 14-2025

Genuine KYB Factory Race Parts
(SKU: 162019000501)

$6,563.70
Custom Order

Spring Perch Kit - 24mm TCV KYB 48mm SX SDETCV24-Set

Suspension Direct International (SDI)

Spring Perch Kit - 24mm TCV KYB 48mm SX SDETCV24-Set

YZF YZ 125/250/250F/450F 08-12 CRF450R 07-12 KX450F
(SKU: 30-004-36)

$220.00
Nil Stock

Spring Perch Kit - 24mm TCV KYB 48mm MX SDETCV24-MX-Set

Suspension Direct International (SDI)

Spring Perch Kit - 24mm TCV KYB 48mm MX SDETCV24-MX-Set

YZF YZ 125/250/250F/450F 08-12 CRF450R 07-12 KX450F
(SKU: 30-004-37)

$220.00
Nil Stock

Xtrig Holeshot 54mm KYB / SHOWA 48mm Fork

XTRIG

Xtrig Holeshot 54mm KYB / SHOWA 48mm Fork

Holeshot with one snap-in position
(SKU: 70100003)

Colour: X-Trig Brown

$160.00
Special Order

Xtrig Holeshot HiLo 54mm KYB / SHOWA 48mm Fork

XTRIG

Xtrig Holeshot HiLo 54mm KYB / SHOWA 48mm Fork

Holeshot with two locking positions
(SKU: 70100012)

Colour: X-Trig Brown

$190.00
Special Order

Twin Chamber Fork Shaft Holder Tool

Teknik Tools

Twin Chamber Fork Shaft Holder Tool

(SKU: 93-017-00)

$33.00
Special Order

DRC SHOCK SEAL HEAD INSERT KIT | KYB/SHOWA | INNER 12mm / OUTER 14/16/18mm

DRC Zeta Hardware

DRC SHOCK SEAL HEAD INSERT KIT | KYB/SHOWA | INNER 12mm / OUTER 14/16/18mm

Shock seal Bullet set -14x12 16x12 18x12
(SKU: D59-37-135)

$49.50
Nil Stock

DRC ENZO | Fork Base Valve Wrench Jig | KYB AOS | Black

Enzo Racing

DRC ENZO | Fork Base Valve Wrench Jig | KYB AOS | Black

Developed by Enzo Racing
(SKU: ED59-37-201)

$59.99
Nil Stock

DRC ENZO | Fork Outer Clamp/Holder | Quick Release

Enzo Racing

DRC ENZO | Fork Outer Clamp/Holder | Quick Release

Developed by Enzo Racing
(SKU: ED59-37-260)

$185.00
Nil Stock

Krooztune KYB HIGH SPEED COMP PISTON

Krooztune

Krooztune KYB HIGH SPEED COMP PISTON

Proudly made in Australia
(SKU: KT-KYBHSCP)

$62.95
Nil Stock

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