Suspension Parts for 2003 YAMAHA WR450F Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2003 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 2003 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 Shock Spring Rate

5

Bike Type

OFFROAD

Ideal Rider Weight

75 kg

Engine Specifications

4 Stroke Engine 450 cc

FORKS INFO

Fork Manufacturer

Fork Type: KYB USD 46 mm OD

Fork Dimensions

Compression Nut Torque: 48 in-lb (0.56 kgf-m)
Fork Travel: 279 mm

Fork Features

Twin Chamber Fork: No

Fork Oil

Fork Oil Weight: SAE 5
Fork Oil Level: 120 mm

Fork Spring Information

Standard Preload: 8 mm

SHOCKS INFO

Shock Manufacturer

Shock Type: KYB 46 mm ID

Shock Dimensions

Nitrogen Pressure: 142 psi
Shock Length (Eye to Eye): 485 mm
Shock Travel: 136 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: 14

Shock Features

Non-rebuildable: No

Fitment-Matched Suspension Parts by Category

FORK COMPRESSION ADJUSTER ASSY

13 Parts

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FORK O-RINGS

11 Parts

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SHOCK SEAL CASE PARTS

14 Parts

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SHOCK SHAFT PARTS

15 Parts

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SHOCK BODY PARTS

17 Parts

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SUSPENSION LOCKNUTS & BUSHES

18 Parts

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TOOLS & LUBRICANTS

31 Parts

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All Fitment-Matched Suspension Parts

Browse All 126 Products for YAMAHA WR450F 2003

Teknik Schrader Valve Cap

Teknik Motorsport

Teknik Schrader Valve Cap

(SKU: 30-652-00)

$3.99
603 In Stock

Teknik Shock Spring 59/61 x 270

Teknik Motorsport

Teknik Shock Spring 59/61 x 270

Made in The Netherlands to ISO 9001
(SKU: 59_61-270)

From $235.00

Spring Rate: 44.0 N/mm
Spring Colour: White

$235.00
13 In Stock

Spring Rate: 46.0 N/mm
Spring Colour: White

$235.00

Spring Rate: 48.0 N/mm
Spring Colour: White

$235.00

Spring Rate: 50.0 N/mm
Spring Colour: White

$235.00
15 In Stock

Spring Rate: 52.0 N/mm
Spring Colour: White

$235.00

Spring Rate: 54.0 N/mm
Spring Colour: White

$235.00

Spring Rate: 56.0 N/mm
Spring Colour: White

$235.00

Spring Rate: 58.0 N/mm
Spring Colour: White

$235.00

Spring Rate: 60.0 N/mm
Spring Colour: White

$235.00
39 In Stock

Spring Rate: 62.0 N/mm
Spring Colour: White

$235.00
39 In Stock

Spring Rate: 42.0 N/mm
Spring Colour: White

$235.00
14 In Stock

Valve cap std steel

Kayaba (KYB) Genuine Motorcycle Parts

Valve cap std steel

Original KYB Japan Motorcycle Suspension Parts
(SKU: 120140000101)

$6.97
26 In Stock

Washer ff next to oil seal 46mm

Kayaba (KYB) Genuine Motorcycle Parts

Washer ff next to oil seal 46mm

Original KYB Japan Motorcycle Suspension Parts
(SKU: 110770000301)

$14.21
14 In Stock

Washer seal head rcu small 16mm

Kayaba (KYB) Genuine Motorcycle Parts

Washer seal head rcu small 16mm

Original KYB Japan Motorcycle Suspension Parts
(SKU: 120280000101)

$4.74
36 In Stock

Yamalink Lowering Link 2002-2004 WR 250F/450F -40mm

Yamalink

Yamalink Lowering Link 2002-2004 WR 250F/450F -40mm

Yamaha 2002-2004 WR 250F/450F
(SKU: 30-006-25)

Seat Height Change (mm): -40

$299.99
2 In Stock

HiCalibre Fork Springs 41.2 x 460 (Eibach 981) Yamaha YZ125/250/400/426 1996-2003

HiCalibre

HiCalibre Fork Springs 41.2 x 460 (Eibach 981) Yamaha YZ125/250/400/426 1996-2003

Proudly made in the USA
(SKU: 19-150)

From $245.00

Spring Rate: 0.34 kg/mm

$345.00
Special Order

SPECIAL ORDER Item from USA. 4-6 weeks delivery

SPECIAL ORDER Item from USA. 4-6 weeks delivery

Spring Rate: 0.36 kg/mm

$245.00
Special Order

Spring Rate: 0.38 kg/mm

$245.00
2 In Stock

Spring Rate: 0.40 kg/mm

$245.00
1 In Stock

Spring Rate: 0.42 kg/mm

$245.00
Special Order

Spring Rate: 0.44 kg/mm

$245.00
Special Order

Spring Rate: 0.46 kg/mm

$245.00
Special Order

Spring Rate: 0.48 kg/mm

$245.00
1 In Stock

Spring Rate: 0.50 kg/mm

$245.00
2 In Stock

Spring Rate: 0.52 kg/mm

$245.00
1 In Stock

Spring Rate: 0.54 kg/mm

$245.00
Special Order

Spring Rate: 0.75 kg/mm

$345.00
Special Order

Spring Rate: 0.70 kg/mm

$345.00
Special Order

Spring Rate: 0.60 kg/mm

$345.00
Special Order

Spring Rate: 0.65 kg/mm

$345.00
Special Order

Bump Stop Rubber 16 x 34 x 59

Teknik Motorsport

Bump Stop Rubber 16 x 34 x 59

16mm id x 34mm od x 59mm tall - KYB
(SKU: 22-210-00)

Height H (mm): 59.0

Outside Ø D (mm): 34.0

$22.00
428 In Stock

KYB Blue Fork Cap Bump Stop Bumper Rubber YZ YZF WR CR

Teknik Motorsport

KYB Blue Fork Cap Bump Stop Bumper Rubber YZ YZF WR CR

Replaces OEM Blue or Brown
(SKU: 22-227-01)

Inside Diameter d (mm): 18.0

Height H (mm): 33.0

$19.95
482 In Stock

Teflon Shaft Bushing - 16 x 18 x 15

Teknik Motorsport

Teflon Shaft Bushing - 16 x 18 x 15

16mm id x 18mm od x 15mm Length
(SKU: 22-078-00)

$2.75
345 In Stock

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