Suspension Parts for 2003 YAMAHA YZ250F Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2003 YAMAHA YZ250F. 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 YZ250F.

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

0.43

Stock Shock Spring Rate

4.65

Bike Type

MX

Ideal Rider Weight

75 kg

Engine Specifications

4 Stroke Engine 250 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: 295 mm

Fork Features

Twin Chamber Fork: No

Fork Oil

Fork Oil Weight: SAE 2.5
Fork Oil Level: 120 mm

Fork Spring Information

Standard Preload: 7 mm

SHOCKS INFO

Shock Manufacturer

Shock Type: KYB 46 mm ID

Shock Dimensions

Nitrogen Pressure: 142 psi
Shock Length (Eye to Eye): 490 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: 12

Shock Features

Non-rebuildable: No

Fitment-Matched Suspension Parts by Category

FORK SPRINGS
Ideal Fork Rate for kg: kg/mm ( N/mm)

2 Parts

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FORK SEALS & BUSHES

9 Parts

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FORK COMPRESSION ADJUSTER ASSY

16 Parts

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FORK CARTRIDGE ROD PARTS

5 Parts

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FORK UPPER & LOWER TUBE PARTS

3 Parts

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FORK O-RINGS

10 Parts

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SHOCK REBUILD KITS

2 Parts

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SHOCK UPGRADE PARTS

6 Parts

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SHOCK SPRINGS
Ideal Spring Rate for kg: kg/mm ( N/mm)

3 Parts

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SHOCK SPRING RETAINERS /BUMPERS

7 Parts

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SHOCK BLADDER PARTS

5 Parts

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SHOCK SEAL CASE PARTS

13 Parts

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SHOCK SHAFT PARTS

16 Parts

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SHOCK BODY PARTS

17 Parts

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SHOCK PISTON PARTS

8 Parts

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SHOCK COMP ADJUSTER PARTS

4 Parts

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SUSPENSION LOCKNUTS & BUSHES

20 Parts

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TOOLS & LUBRICANTS

33 Parts

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All Fitment-Matched Suspension Parts

Browse All 135 Products for YAMAHA YZ250F 2003

KYB Grease 250ml

Kayaba (KYB) Genuine Motorcycle Parts

KYB Grease 250ml

Original KYB Suspension Lubricants
(SKU: 130062500101)

$60.50
18 In Stock

Needle for push rod rcu

Kayaba (KYB) Genuine Motorcycle Parts

Needle for push rod rcu

Original KYB Japan Motorcycle Suspension Parts
(SKU: 120390000101)

$5.24
40 In Stock

Piston rod comp rcu YZ 03-05

Kayaba (KYB) Genuine Motorcycle Parts

Piston rod comp rcu YZ 03-05

Original KYB Japan Motorcycle Suspension Parts
(SKU: 120350005501)

$498.52
2 In Stock

Piston rod rcu inside bush 16mm

Kayaba (KYB) Genuine Motorcycle Parts

Piston rod rcu inside bush 16mm

Original KYB Japan Motorcycle Suspension Parts
(SKU: 120431600101)

$6.97
46 In Stock

Piston rod rcu inside needle guide 7mm

Kayaba (KYB) Genuine Motorcycle Parts

Piston rod rcu inside needle guide 7mm

Original KYB Japan Motorcycle Suspension Parts
(SKU: 120370000101)

Inside Diameter d (mm): 4.0

$6.97
15 In Stock

Piston rod rcu inside spacer 16mm

Kayaba (KYB) Genuine Motorcycle Parts

Piston rod rcu inside spacer 16mm

Original KYB Japan Motorcycle Suspension Parts
(SKU: 120421600101)

$4.86
64 In Stock

Piston rod rcu inside, clip-pen

Kayaba (KYB) Genuine Motorcycle Parts

Piston rod rcu inside, clip-pen

Original KYB Japan Motorcycle Suspension Parts
(SKU: 120360000101)

$4.86
59 In Stock

Push rod rcu 210mm

Kayaba (KYB) Genuine Motorcycle Parts

Push rod rcu 210mm

Specified Length Includes Needle
(SKU: 120400000401)

Height H (mm): 210.0

Diameter D (mm): 4.5

$13.46
6 In Stock

Rear Shock Bump Rubber KYB 16mm x 44 x 59

Kayaba (KYB) Genuine Motorcycle Parts

Rear Shock Bump Rubber KYB 16mm x 44 x 59

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 120341600201)

Height H (mm): 59.0

Outside Ø D (mm): 34.0

$29.67
17 In Stock

Rear Shock Bush KYB 16mm

Kayaba (KYB) Genuine Motorcycle Parts

Rear Shock Bush KYB 16mm

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 120291600201)

$10.97
365 In Stock

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