Suspension Parts for 2025 YAMAHA YZ250X Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2025 YAMAHA YZ250X. 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 2025 YAMAHA YZ250X.

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

Bike Type

MX

Ideal Rider Weight

75 kg

Engine Specifications

2 Stroke Engine 249 cc

FORKS INFO

Fork Manufacturer

: KYB USD 48 mm OD

Fork Dimensions

Compression Nut Torque: 48 in-lb (0.56 kgf-m)
Fork Travel: 300 mm

Fork Features

Twin Chamber Fork: Yes

Fork Oil

Fork Oil Weight: SAE 2.5
Fork Oil Level: 350cc mm
Oil Quanity: 2 Litres

Fork Spring Information

Standard Preload: 7 mm

Fork Comments

: Check floating piston for cracking

SHOCKS INFO

Shock Manufacturer

KYB: 46 mm ID

Shock Dimensions

Nitrogen Pressure: 142 psi
Shock Shaft Outer Diameter: 18 mm
Standard Sag: 103 mm
Shaft Nut Torque: 25 ft-lbs (34 NM)
Shock Oil: 2.5 Weight
Standard Preload: 24
Wheel Travel: 315 mm

Shock Features

Non-rebuildable: No

Fitment-Matched Suspension Parts by Category

FORK UPGRADE PARTS

14 Parts

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

9 Parts

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FORK SEALS & BUSHES

17 Parts

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FORK COMPRESSION ADJUSTER ASSY

10 Parts

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SHOCK UPGRADE PARTS

8 Parts

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SHOCK SEAL CASE PARTS

9 Parts

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SHOCK SHAFT PARTS

8 Parts

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SHOCK BODY PARTS

9 Parts

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SUSPENSION LOCKNUTS & BUSHES

13 Parts

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TOOLS & LUBRICANTS

42 Parts

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All Fitment-Matched Suspension Parts

Browse All 138 Products for YAMAHA YZ250X 2025

KYB High Speed Adjuster Spring Long SDEHSAL

Suspension Direct International (SDI)

KYB High Speed Adjuster Spring Long SDEHSAL

(SKU: 30-002-16)

$60.50
5 In Stock

1mm Shock Lowering Stop Washer

Suspension Direct International (SDI)

1mm Shock Lowering Stop Washer

(SKU: 30-002-20)

$35.27
5 In Stock

Bladder cap 30-degree angles 52mm KYB

Teknik Motorsport

Bladder cap 30-degree angles 52mm KYB

(SKU: 30-002-26)

Colour: Red

$71.50
17 In Stock

Colour: Blue

$49.50
Nil Stock

Colour: Black

$49.50
13 In Stock

52mm Flat Shock Bladder Cap - Black

Teknik Motorsport

52mm Flat Shock Bladder Cap - Black

(SKU: 30-002-64)

$33.00
22 In Stock

Alloy Free Pistons All 2006+ KYB 48mm AOSS/SSS Forks - Sold In Pairs

Teknik Motorsport

Alloy Free Pistons All 2006+ KYB 48mm AOSS/SSS Forks - Sold In Pairs

(SKU: 30-004-13)

$110.00
84 In Stock

5mm Fork Preload Spacers SDEFSP05

Suspension Direct International (SDI)

5mm Fork Preload Spacers SDEFSP05

5.0 mm PAIR
(SKU: 30-004-14)

$10.00
9 In Stock

10mm Fork Preload Spacers SDEFSP10

Suspension Direct International (SDI)

10mm Fork Preload Spacers SDEFSP10

10.0mm PAIR
(SKU: 30-004-16)

$10.00
9 In Stock

Front Fork Preload Spacers (2.5mm) All KYB/Showa with 24mm cartridge rod forks. Sold in a set of 2 SDEFSP24-25

Suspension Direct International (SDI)

Front Fork Preload Spacers (2.5mm) All KYB/Showa with 24mm cartridge rod forks. Sold in a set of 2 SDEFSP24-25

2.5mm PAIR
(SKU: 30-004-18)

$27.50
31 In Stock

Spring Perch Kit - 24mm TCV KYB 48mm MX SDETCV24-MX-Set

Suspension Direct International (SDI)

Spring Perch Kit - 24mm TCV KYB 48mm MX SDETCV24-MX-Set

YZF YZ 125/250/250F/450F 08-12 CRF450R 07-12 KX450F
(SKU: 30-004-37)

$220.00
1 In Stock

Teknik Schrader Valve Cap

Teknik Schrader Valve Cap

(SKU: 30-652-00)

$3.99
669 In Stock

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