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

Fork Type: 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

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): 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

15 Parts

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FORK COMPRESSION ADJUSTER ASSY

16 Parts

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FORK CARTRIDGE ROD PARTS

8 Parts

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FORK O-RINGS

12 Parts

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SHOCK UPGRADE PARTS

6 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

17 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

23 Parts

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TOOLS & LUBRICANTS

37 Parts

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All Fitment-Matched Suspension Parts

Browse All 157 Products for YAMAHA YZ250 2004

Fork Seal Driver - 48mm

Techtool

Fork Seal Driver - 48mm

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

$87.95
8 In Stock

Front Fork Bleed Bolt o-ring

Kayaba (KYB) Genuine Motorcycle Parts

Front Fork Bleed Bolt o-ring

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 110100000101)

$2.24
27 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 Lock Nut 8mm

Kayaba (KYB) Genuine Motorcycle Parts

Front Fork Lock Nut 8mm

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 110650000201)

$4.49
13 In Stock

Front Fork Piston Ring Rebound 32mm x 30 x 5

Kayaba (KYB) Genuine Motorcycle Parts

Front Fork Piston Ring Rebound 32mm x 30 x 5

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 110610000401)

$14.71
5 In Stock

Front Fork Scraper Seal (Pair) KYB 48mm

Kayaba (KYB) Genuine Motorcycle Parts

Front Fork Scraper Seal (Pair) KYB 48mm

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 110014800602)

$46.11
62 In Stock

Front Fork Service Kit KYB 48/15mm

Kayaba (KYB) Genuine Motorcycle Parts

Front Fork Service Kit KYB 48/15mm

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 119994801901)

$181.50
72 In Stock

Front Fork Snap Ring Oil Seal 48mm

Kayaba (KYB) Genuine Motorcycle Parts

Front Fork Snap Ring Oil Seal 48mm

Original KYB Japan Motorcycle Suspension Parts
(SKU: 110784800101)

$4.98
9 In Stock

InnTeck Outer Guide Fork Bush KAYABA 48mm **can use KYB 110044800202**

Innteck

InnTeck Outer Guide Fork Bush KAYABA 48mm can use KYB 110044800202

KAYABA 48mm 48x52x15
(SKU: SKTI48K)

Inside Diameter d (mm): 48.0

Fork Inner Tube Ø d (mm): 48.0

Height H (mm): 15.0

Outside Ø D (mm): 52.0

Wall Thickness (mm): 2.0

$22.00
26 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

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