Suspension Parts for 2025 YAMAHA YZ250F Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2025 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 2025 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

4.6N

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: 300 mm

Fork Features

Preload Adjuster: 0 mm Range
Twin Chamber Fork: Yes

Fork Oil

Fork Oil Weight: SAE 2.5
Oil Quanity: 350cc

Fork Spring Information

Standard Preload: 3 mm

Fork Comments

: Check floating piston for cracking

SHOCKS INFO

Shock Manufacturer

Shock Type: KYB 50 mm ID

Shock Dimensions

Nitrogen Pressure: 142 psi
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: 10
Wheel Travel: 300 mm

Shock Features

Non-rebuildable: No

Shock Comments

: Replace alloy shock collars with steel if binding.

Fitment-Matched Suspension Parts by Category

CHASSIS PARTS

8 Parts

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FORK UPGRADE PARTS

17 Parts

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FORK SEALS & BUSHES

14 Parts

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FORK COMPRESSION ADJUSTER ASSY

10 Parts

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FORK UPPER & LOWER TUBE PARTS

7 Parts

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SHOCK UPGRADE PARTS

16 Parts

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SHOCK SEAL CASE PARTS

10 Parts

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SHOCK SHAFT PARTS

8 Parts

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SHOCK BODY PARTS

11 Parts

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SHOCK PISTON PARTS

7 Parts

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SUSPENSION LOCKNUTS & BUSHES

11 Parts

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TOOLS & LUBRICANTS

45 Parts

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All Fitment-Matched Suspension Parts

Browse All 169 Products for YAMAHA YZ250F 2025

Service manual KYB MX English

Kayaba (KYB) Genuine Motorcycle Parts

Service manual KYB MX English

OEM KYB Japan Manual
(SKU: 150340000201)

$79.86
8 In Stock

KYB Factory Gascap KIT 54mm complete YZF/KXF

Kayaba (KYB) Genuine Motorcycle Parts

KYB Factory Gascap KIT 54mm complete YZF/KXF

Genuine KYB Factory Race Parts
(SKU: 160115401101)

$94.38
2 In Stock

KYB Factory Spring collar complete 29mm Factory Aluminium

Kayaba (KYB) Genuine Motorcycle Parts

KYB Factory Spring collar complete 29mm Factory Aluminium

Genuine KYB Factory Race Parts
(SKU: 160190002001)

$102.85
4 In Stock

KYB Factory Piston rod rcu KIT DLC assembled YZF250 19-23 / YZF450 18-23

Kayaba (KYB) Genuine Motorcycle Parts

KYB Factory Piston rod rcu KIT DLC assembled YZF250 19-23 / YZF450 18-23

Genuine KYB Factory Race Parts
(SKU: 160380013001)

$398.82
1 In Stock

HiCalibre Shock Spring 63.5/65.5 x 275 (64_66-275) Common Fitment Yamaha YZ 250F 450F late model

HiCalibre

HiCalibre Shock Spring 63.5/65.5 x 275 (64_66-275) Common Fitment Yamaha YZ 250F 450F late model

Proudly made in the USA
(SKU: 20-135)

From $245.00

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

$245.00
Special Order

SPECIAL ORDER Item from USA. 4-6 weeks delivery

SPECIAL ORDER Item from USA. 4-6 weeks delivery

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

$245.00
Special Order

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

$245.00
Special Order

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

$245.00
Special Order

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
Special Order

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

$245.00
Coming Soon

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

$245.00
Special Order

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

$245.00
Special Order

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

$245.00
Special Order

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

$245.00
4 In Stock

Bump Stop Rubber 16x47x74 fits YZF250 450 WR450 and more

Teknik Motorsport

Bump Stop Rubber 16x47x74 fits YZF250 450 WR450 and more

Alternative to KYB 120341600501
(SKU: 22-232-00)

Inside Diameter d (mm): 16.0

Height H (mm): 74.0

$22.00
488 In Stock

Shock Oil Seal 16 x 28 x 5 Viton Hi Performance

Capelli Race

Shock Oil Seal 16 x 28 x 5 Viton Hi Performance

16mm id x 28mm od x 5mm thick - Showa/KYB
(SKU: 22-401-00)

Oil Seal Inside Diameter d (mm): 16.0

Oil Seal Outside Ø D1 (mm): 28.0

Oil Seal Height H (mm): 5.0

$22.00
416 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
17 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
3571 In Stock

M6 x 1.0 Thin Self Locking Steel Insert Fujilok

Fuji Seimitsu Co Ltd

M6 x 1.0 Thin Self Locking Steel Insert Fujilok

Self Locking Steel Insert Fujilok - Short
(SKU: 22-625-06)

$3.99
6564 In Stock

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