Suspension Parts for 2004 YAMAHA YZ250 Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2004 YAMAHA YZ250. 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 2004 YAMAHA YZ250.

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

4.9

Bike Type

MX

Ideal Rider Weight

75 kg

Engine Specifications

2 Stroke Engine 250 cc

FORKS INFO

Fork Manufacturer

: KYB USD 48 mm OD

Fork Dimensions

Compression Nut Torque: 48 in-lb (0.56 kgf-m)

Fork Features

Twin Chamber Fork: No

Fork Oil

Fork Oil Weight: SAE 2.5
Fork Oil Level: 125 mm
Oil Quanity: 2 Litres

Fork Spring Information

Standard Preload: 7 mm

SHOCKS INFO

Shock Manufacturer

KYB: 46 mm ID

Shock Dimensions

Nitrogen Pressure: 142 psi
Shock Length (Eye to Eye): 492 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: 8

Shock Features

Non-rebuildable: No

Fitment-Matched Suspension Parts by Category

FORK SEALS & BUSHES

17 Parts

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FORK COMPRESSION ADJUSTER ASSY

16 Parts

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FORK O-RINGS

12 Parts

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SHOCK SEAL CASE PARTS

14 Parts

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SHOCK SHAFT PARTS

17 Parts

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SHOCK BODY PARTS

17 Parts

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SUSPENSION LOCKNUTS & BUSHES

22 Parts

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TOOLS & LUBRICANTS

35 Parts

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All Fitment-Matched Suspension Parts

Browse All 158 Products for YAMAHA YZ250 2004

Teknik Fork Springs 43.2 x 485

Teknik Moto Springs

Teknik Fork Springs 43.2 x 485

Made in The Netherlands to ISO 9001
(SKU: 43.2-485)

From $220.00

spring rate: 3.8 N/mm

$220.00
Nil Stock

Notify Me

spring rate: 4.0 N/mm

$220.00
Nil Stock

spring rate: 4.2 N/mm

$220.00
Nil Stock

spring rate: 4.4 N/mm

$220.00
Nil Stock

spring rate: 4.6 N/mm

$220.00
Nil Stock

spring rate: 4.8 N/mm

$220.00
Nil Stock

spring rate: 5.0 N/mm

$220.00
Nil Stock

spring rate: 5.2 N/mm

$220.00
Nil Stock

Teknik Shock Spring 59/61 x 270

Teknik Moto Springs

Teknik Shock Spring 59/61 x 270

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

From $235.00

Colour: White
spring rate: 44.0 N/mm

$235.00
19 In Stock

Colour: White
spring rate: 46.0 N/mm

$235.00

Colour: White
spring rate: 48.0 N/mm

$235.00
2 In Stock

Colour: White
spring rate: 50.0 N/mm

$235.00
21 In Stock

Colour: White
spring rate: 52.0 N/mm

$235.00
14 In Stock

Colour: White
spring rate: 54.0 N/mm

$235.00
13 In Stock

Colour: White
spring rate: 56.0 N/mm

$235.00

Colour: White
spring rate: 58.0 N/mm

$235.00
16 In Stock

Colour: White
spring rate: 60.0 N/mm

$235.00
52 In Stock

Colour: White
spring rate: 62.0 N/mm

$235.00
45 In Stock

Colour: White
spring rate: 42.0 N/mm

$235.00
19 In Stock

Eibach EMS Moto Rear Shock Spring Kit 60.6/63.1 x 270 KYB 46 Yamaha YZ WR 125 250 426 450 (59_61-270 and 20-085)

Eibach Suspension Technology

Eibach EMS Moto Rear Shock Spring Kit 60.6/63.1 x 270 KYB 46 Yamaha YZ WR 125 250 426 450 (59_61-270 and 20-085)

Made in the USA (QS9000) or Germany (ISO16949)
(SKU: 892)

From $249.94

spring rate: 4.0 kg/mm

$249.94
1 In Stock

spring rate: 4.2 kg/mm

$249.94
1 In Stock

spring rate: 4.4 kg/mm

$249.94
1 In Stock

spring rate: 4.6 kg/mm

$249.94
2 In Stock

spring rate: 4.8 kg/mm

$249.94
1 In Stock

spring rate: 5.0 kg/mm

$249.94
1 In Stock

spring rate: 5.2 kg/mm

$249.94
1 In Stock

spring rate: 5.4 kg/mm

$249.94
2 In Stock

spring rate: 5.6 kg/mm

$249.94
1 In Stock

spring rate: 5.8 kg/mm

$249.94
2 In Stock

spring rate: 6.0 kg/mm

$249.94
2 In Stock

spring rate: 6.3 kg/mm

$249.94
3 In Stock

spring rate: 6.7 kg/mm

$249.94
2 In Stock

spring rate: 7.1 kg/mm

$249.94
1 In Stock

Fork Oil Level Tool

Techtool

Fork Oil Level Tool

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

$39.93
3 In Stock

Shock Compression Socket - KYB early - Hi/Lo

Techtool

Shock Compression Socket - KYB early - Hi/Lo

Removes compression adjuster assembly from KYB Shocks
(SKU: 93-006-00)

$33.00
18 In Stock

Fork Bleeder Tool Set

Techtool

Fork Bleeder Tool Set

Motorcycle Suspension Tools
(SKU: 93-007-00)

$110.00
25 In Stock

Techtool Motorcycle Fork Seal Driver Kit 9pc Kit

Techtool

Techtool Motorcycle Fork Seal Driver Kit 9pc Kit

35/36-39-41-43-45-46/47-48-49/50-54mm
(SKU: 93-009-00)

$470.58
4 In Stock

Fork Seal Driver - 48mm

Techtool

Fork Seal Driver - 48mm

See Part # 93-009-00 for complete set
(SKU: 93-009-50)

$87.95
17 In Stock

24mm Shock Compression Adjuster Socket Tool

Techtool

24mm Shock Compression Adjuster Socket Tool

For KYB & Showa Shocks
(SKU: 93-019-00)

$30.00
18 In Stock

24mm Shock Compression Adjuster Socket Tool - with 24mm Hex

Techtool

24mm Shock Compression Adjuster Socket Tool - with 24mm Hex

For KYB & Showa Shocks
(SKU: 93-019-02)

$27.50
11 In Stock

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