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 CARTRIDGE ROD PARTS

15 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

Teknik Schrader Valve Cap

Teknik Motorsport

Teknik Schrader Valve Cap

(SKU: 30-652-00)

$3.99
15 In Stock

All Balls Rear Shock Seal Kit - CR/CRF/KX/KLX/RM/DRZ

All Balls

All Balls Rear Shock Seal Kit - CR/CRF/KX/KLX/RM/DRZ

16 ID 50OD
(SKU: 37-1001)

Shock Bore Ø D (mm): 50.0

Shock Shaft Ø D (mm): 16.0

Height H (mm): 22.0

$95.00
2 In Stock

Teknik Fork Springs 43.5 x 497 (Eibach 963)

Teknik Moto Springs

Teknik Fork Springs 43.5 x 497 (Eibach 963)

Made in The Netherlands to ISO 9001
(SKU: 43.5-497)

From $235.00

spring rate: 4.0 N/mm

$235.00
Nil Stock

Notify Me

spring rate: 4.2 N/mm

$235.00

spring rate: 4.4 N/mm

$235.00
11 In Stock

spring rate: 4.6 N/mm

$235.00

spring rate: 4.8 N/mm

$235.00
5 In Stock

spring rate: 5.0 N/mm

$235.00
12 In Stock

spring rate: 5.2 N/mm

$235.00
10 In Stock

spring rate: 3.8 N/mm

$235.00
Nil Stock

spring rate: 5.4 N/mm

$235.00

spring rate: 5.6 N/mm

$235.00
5 In Stock

Xtrig PHDS OEM YAMAHA YZF 14- for 28,6mm M12

XTRIG

Xtrig PHDS OEM YAMAHA YZF 14- for 28,6mm M12

OEM Yamaha 2014+ YZF Triple Clamps
(SKU: 50100017)

Handlebar Diameter D (mm): 28.6

$365.00
2 In Stock

KYB Factory A-Kit Billet CNC Fork Front Axle Bracket Set - YZ250F YZ450F 2014+

Kayaba (KYB) Genuine Motorcycle Parts

KYB Factory A-Kit Billet CNC Fork Front Axle Bracket Set - YZ250F YZ450F 2014+

Genuine KYB Factory Race Parts
(SKU: 6001203SET)

$990.00
1 In Stock

KYB Factory Axle bracket KIT YZF 14- Right

Kayaba (KYB) Genuine Motorcycle Parts

KYB Factory Axle bracket KIT YZF 14- Right

Genuine KYB Factory Race Parts
(SKU: 60012054)

$474.05
1 In Stock

KYB Factory Axle bracket KIT YZF 14- Left

Kayaba (KYB) Genuine Motorcycle Parts

KYB Factory Axle bracket KIT YZF 14- Left

Genuine KYB Factory Race Parts
(SKU: 60012055)

$534.82
1 In Stock

Teknik Shock Spring 64/66 x 275

Teknik Moto Springs

Teknik Shock Spring 64/66 x 275

Made in The Netherlands to ISO 9001
(SKU: 64_66-275)

From $235.00

Colour: White
spring rate: 62.0 N/mm

$235.00
10 In Stock

Colour: White
spring rate: 58.0 N/mm

$235.00

Colour: White
spring rate: 56.0 N/mm

$235.00
55 In Stock

Colour: White
spring rate: 54.0 N/mm

$235.00
51 In Stock

Colour: White
spring rate: 50.0 N/mm

$235.00
16 In Stock

Colour: White
spring rate: 60.0 N/mm

$235.00

Colour: White
spring rate: 52.0 N/mm

$235.00
28 In Stock

Colour: White
spring rate: 48.0 N/mm

$235.00
22 In Stock

Colour: White
spring rate: 46.0 N/mm

$235.00
21 In Stock

Colour: White
spring rate: 44.0 N/mm

$235.00
2 In Stock

Colour: White
spring rate: 64.0 N/mm

$235.00

Colour: White
spring rate: 66.0 N/mm

$235.00
18 In Stock

Colour: White
spring rate: 6.8 N/mm

$235.00
24 In Stock

Eibach EMS Moto Rear Shock Spring Kit 64 x 62 x 275mm

Eibach Suspension Technology

Eibach EMS Moto Rear Shock Spring Kit 64 x 62 x 275mm

Made in the USA (QS9000) or Germany (ISO16949)
(SKU: 820)

From $249.94

spring rate: 5.8 kg/mm

$249.94
2 In Stock

spring rate: 5.0 kg/mm

$249.94
2 In Stock

spring rate: 6.0 kg/mm

$249.94
3 In Stock

spring rate: 6.3 kg/mm

$249.94
2 In Stock

spring rate: 6.6 kg/mm

$249.94
3 In Stock

spring rate: 5.2 kg/mm

$249.94
2 In Stock

spring rate: 5.4 kg/mm

$249.94
2 In Stock

spring rate: 5.6 kg/mm

$249.94
2 In Stock

Eibach EMS Moto Rear Shock Spring Kit 63/65 x 270 (897 with 12mm spacer) Use 820 Series (64_66-275)

Eibach Suspension Technology

Eibach EMS Moto Rear Shock Spring Kit 63/65 x 270 (897 with 12mm spacer) Use 820 Series (64_66-275)

Made in the USA (QS9000) or Germany (ISO16949)
(SKU: 880)

From $249.94

spring rate: 4.5 kg/mm

$249.94
Nil Stock

Notify Me

spring rate: 4.7 kg/mm

$249.94
Nil Stock

spring rate: 4.9 kg/mm

$249.94
Nil Stock

spring rate: 5.1 kg/mm

$249.94
Nil Stock

spring rate: 5.3 kg/mm

$249.94
Nil Stock

spring rate: 5.5 kg/mm

$249.94
Nil Stock

spring rate: 5.7 kg/mm

$249.94
Nil Stock

spring rate: 5.9 kg/mm

$249.94
Nil Stock

spring rate: 6.1 kg/mm

$249.94
Nil Stock

spring rate: 6.3 kg/mm

$249.94
Nil Stock

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