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 SEALS & BUSHES

9 Parts

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FORK COMPRESSION ADJUSTER ASSY

13 Parts

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FORK O-RINGS

11 Parts

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SHOCK SPRING RETAINERS /BUMPERS

7 Parts

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SHOCK BLADDER PARTS

7 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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SHOCK PISTON PARTS

8 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

Fork Oil Level Tool

Techtool

Fork Oil Level Tool

Motorcycle Suspension Tools
(SKU: 93-002-00)

$39.93
35 In Stock

Fork Seal and Wiper Set - 46 x 58 x 9.5

Kayaba (KYB) Genuine Motorcycle Parts

Fork Seal and Wiper Set - 46 x 58 x 9.5

46mm id x 58mm od x 9.5mm tall - KYB
(SKU: 24-875-00)

$44.00
30 In Stock

Fork Seal Driver - 46/47mm

Techtool

Fork Seal Driver - 46/47mm

See Part # 93-009-00 for complete set
(SKU: 93-009-40)

$76.95
14 In Stock

Front Fork Bush Cylinder Head 12.5mm

Kayaba (KYB) Genuine Motorcycle Parts

Front Fork Bush Cylinder Head 12.5mm

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 110231200101)

$10.97
27 In Stock

Front Fork Dust Seals (Pair) 46mm KYB -NOK

Kayaba (KYB) Genuine Motorcycle Parts

Front Fork Dust Seals (Pair) 46mm KYB -NOK

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 110024600202)

$51.55
10 In Stock

Front Fork Oil Seals (Pair) 46mm KYB -NOK

Kayaba (KYB) Genuine Motorcycle Parts

Front Fork Oil Seals (Pair) 46mm KYB -NOK

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 110014600302)

$53.00
5 In Stock

Kayaba (KYB) Genuine Parts 16 x 28 x 5 KYB Shock Dust and Oil Seal Set

Kayaba (KYB) Genuine Motorcycle Parts

Kayaba (KYB) Genuine Parts 16 x 28 x 5 KYB Shock Dust and Oil Seal Set

OEM KYB
(SKU: 22-428-00)

$49.50
11 In Stock

KYB Genuine Front Fork Oil 01M - 20 Litres

Kayaba (KYB) Genuine Motorcycle Parts

KYB Genuine Front Fork Oil 01M - 20 Litres

Genuine Kayaba Factory Oil - packaged in Australia
(SKU: 13001020010A)

Pack Size: 20 L Drum

cSt@40C: 15.6

cSt@100C: 3.5

Viscosity Index: 150

$770.00
53 In Stock

KYB Genuine Front Fork Oil 01M - 5 Litres

Kayaba (KYB) Genuine Motorcycle Parts

KYB Genuine Front Fork Oil 01M - 5 Litres

Genuine Kayaba Factory Oil - packaged in Australia
(SKU: 13001005010A)

Pack Size: 5 L Bottle

cSt@40C: 15.6

cSt@100C: 3.5

Viscosity Index: 150

$199.95
54 In Stock

KYB Genuine Rear Shock Oil K2C - 20 Litres

Kayaba (KYB) Genuine Motorcycle Parts

KYB Genuine Rear Shock Oil K2C - 20 Litres

Genuine Kayaba Factory Oil - packaged in Australia
(SKU: 13002020010A)

Pack Size: 20 L Drum

cSt@40C: 11.3

cSt@100C: 4.0

Viscosity Index: 310

$770.00
42 In Stock

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