Suspension Parts for 2004 YAMAHA YZ250F Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2004 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 2004 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 48 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: 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): 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

CHASSIS PARTS

1 Parts

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FORK REBUILD KITS

1 Parts

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FORK UPGRADE PARTS

4 Parts

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

4 Parts

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FORK CARTRIDGE ASSEMBLY PARTS

3 Parts

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FORK SEALS & BUSHES

15 Parts

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FORK COMPRESSION ADJUSTER ASSY

15 Parts

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FORK CARTRIDGE ROD PARTS

6 Parts

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FORK UPPER & LOWER TUBE PARTS

4 Parts

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FORK O-RINGS

10 Parts

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SHOCK REBUILD KITS

1 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

14 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

21 Parts

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TOOLS & LUBRICANTS

36 Parts

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All Fitment-Matched Suspension Parts

Browse All 153 Products for YAMAHA YZ250F 2004

Fork Preload Spacer 43.5 x 5.0

Teknik Motorsport

Fork Preload Spacer 43.5 x 5.0

43.5mm od x 5.0mm thick - Nylon
(SKU: 30-130-01)

$6.59
778 In Stock

Fork Preload Spacer 43.5 x 10.0

Teknik Motorsport

Fork Preload Spacer 43.5 x 10.0

43.5mm od x 10.0mm thick - Nylon
(SKU: 30-130-02)

$6.59
936 In Stock

Outer Guide Bush 48 x 15 x 2.0 Aftermarket

Teknik Motorsport

Outer Guide Bush 48 x 15 x 2.0 Aftermarket

48mm id x 15mm tall x 2.0mm thick
(SKU: 24-570-01)

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

$6.60
281 In Stock

48mm KYB Fork Seal and Dust Wiper Set 2pc set , Hi performance seal

Capelli Race

48mm KYB Fork Seal and Dust Wiper Set 2pc set , Hi performance seal

One oil seal and one dust seal, buy 2 sets for one bike
(SKU: KYB48Capset)

Oil Seal Inside Diameter d (mm): 48.0

Oil Seal Outside Ø D1 (mm): 58.7

Oil Seal Height H (mm): 4.9

Dust Wiper Inside Diameter d (mm): 48.0

Dust Wiper Outside Ø D1 (mm): 58.2

Dust Wiper Height H (mm): 9.5

$49.95
502 In Stock

Fork Tubes NOK Oil Seals Pair - 48id x 58od x 8.5mm

Kayaba (KYB) Genuine Motorcycle Parts

Fork Tubes NOK Oil Seals Pair - 48id x 58od x 8.5mm

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 110014800202)

$49.50
44 In Stock

Front Fork Dust Seals (Pair) 48mm KYB -NOK

Kayaba (KYB) Genuine Motorcycle Parts

Front Fork Dust Seals (Pair) 48mm KYB -NOK

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 110024800102)

$51.55
113 In Stock

M12 x 1.5 Thin Self Locking Steel Insert Fujilok

Fuji Seimitsu Co Ltd

M12 x 1.5 Thin Self Locking Steel Insert Fujilok

Self Locking Steel Insert Fujilok
(SKU: 22-625-00)

$4.98
3489 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
2 In Stock

Spring Rate: 5.0 kg/mm

$249.94
1 In Stock

Spring Rate: 5.2 kg/mm

$249.94
3 In Stock

Spring Rate: 5.4 kg/mm

$249.94
1 In Stock

Spring Rate: 5.6 kg/mm

$249.94
Special Order

Spring Rate: 5.8 kg/mm

$249.94
1 In Stock

Spring Rate: 6.0 kg/mm

$249.94
1 In Stock

Spring Rate: 6.3 kg/mm

$249.94
3 In Stock

Spring Rate: 6.7 kg/mm

$249.94
Special Order

Spring Rate: 7.1 kg/mm

$249.94
1 In Stock

SKF 48mm KYB Fork Seal and Wiper Set - Heavy Duty

SKF Sealing

SKF 48mm KYB Fork Seal and Wiper Set - Heavy Duty

Requires 2 kits for complete fork service.
(SKU: SKF48KHD)

Colour: Green

Seal Outer Ø D (mm): 58.42

Seal Height H (mm): 8.5

Seal Wiper Outside Ø D1 (mm): 58.70

Seal Wiper Height H1 (mm): 4.9

Fork Inner Tube Ø d (mm): 48.0

$62.94
37 In Stock

HiCalibre Shock Spring 59/62 x 270 (Eibach 892 59_61-270) Common Fitment KYB 46mm

HiCalibre

HiCalibre Shock Spring 59/62 x 270 (Eibach 892 59_61-270) Common Fitment KYB 46mm

Proudly made in the USA
(SKU: 20-085)

From $245.00

Spring Rate: 3.6 kg/mm
Spring Colour: Black or White

$245.00
2 In Stock

Spring Rate: 3.8 kg/mm
Spring Colour: Black or White

$245.00
Special Order

Spring Rate: 7.6 kg/mm
Spring Colour: Black or White

$245.00
2 In Stock

Spring Rate: 4.0 kg/mm
Spring Colour: Black or White

$245.00
Special Order

Spring Rate: 7.8 kg/mm
Spring Colour: Black or White

$245.00
2 In Stock

Spring Rate: 4.2 kg/mm
Spring Colour: Black or White

$245.00
Special Order

Spring Rate: 4.4 kg/mm
Spring Colour: Black or White

$245.00
Special Order

Spring Rate: 4.6 kg/mm
Spring Colour: Black or White

$245.00
1 In Stock

Spring Rate: 4.8 kg/mm
Spring Colour: Black or White

$245.00
3 In Stock

Spring Rate: 5.0 kg/mm
Spring Colour: Black or White

$245.00
2 In Stock

Spring Rate: 5.2 kg/mm
Spring Colour: Black or White

$245.00
5 In Stock

Spring Rate: 5.4 kg/mm
Spring Colour: Black or White

$245.00
Special Order

Spring Rate: 5.6 kg/mm
Spring Colour: Black or White

$245.00
Special Order

Spring Rate: 5.8 kg/mm
Spring Colour: Black or White

$245.00
Coming Soon

Spring Rate: 6.0 kg/mm
Spring Colour: Black or White

$245.00
3 In Stock

Spring Rate: 6.2 kg/mm
Spring Colour: Black or White

$245.00
3 In Stock

Spring Rate: 6.4 kg/mm
Spring Colour: Black or White

$245.00
4 In Stock

Spring Rate: 6.6 kg/mm
Spring Colour: Black or White

$245.00
4 In Stock

Spring Rate: 6.8 kg/mm
Spring Colour: Black or White

$245.00
2 In Stock

Spring Rate: 7.0 kg/mm
Spring Colour: Black or White

$245.00
3 In Stock

Spring Rate: 7.2 kg/mm
Spring Colour: Black or White

$245.00
4 In Stock

Spring Rate: 7.4 kg/mm
Spring Colour: Black or White

$245.00
3 In Stock

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