Suspension Parts for 2023 YAMAHA YZ450F Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2023 YAMAHA YZ450F. 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 2023 YAMAHA YZ450F.

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

0.46

Stock Shock Spring Rate

5.81

Bike Type

MX

Ideal Rider Weight

85 kg

Engine Specifications

4 Stroke Engine 449 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

Twin Chamber Fork: Yes

Fork Oil

Fork Oil Weight: SAE 2.5
Oil Quanity: 360cc

Fork Spring Information

Spring Rate – Claimed: 0.46
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: 30 mm
Shaft Nut Torque: 25 ft-lbs (34 NM)
Shock Oil: 2.5 Weight
Standard Preload: 8
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

7 Parts

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FORK UPGRADE PARTS

17 Parts

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FORK CARTRIDGE ASSEMBLY PARTS

6 Parts

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FORK SEALS & BUSHES

15 Parts

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FORK COMPRESSION ADJUSTER ASSY

9 Parts

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FORK UPPER & LOWER TUBE PARTS

7 Parts

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SHOCK UPGRADE PARTS

17 Parts

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SHOCK BLADDER PARTS

6 Parts

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SHOCK SEAL CASE PARTS

10 Parts

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SHOCK SHAFT PARTS

9 Parts

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SHOCK BODY PARTS

11 Parts

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SHOCK PISTON PARTS

6 Parts

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SUSPENSION LOCKNUTS & BUSHES

12 Parts

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TOOLS & LUBRICANTS

51 Parts

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All Fitment-Matched Suspension Parts

Browse All 176 Products for YAMAHA YZ450F 2023

Enzo TECHNICA Reduced Volume Bladder Cap 54mm KYB

Enzo Racing

Enzo TECHNICA Reduced Volume Bladder Cap 54mm KYB

(SKU: ER-BC54RC)

From $99.00

Colour: Blue
Notes: Reduced Capacity

$99.00
24 In Stock

Colour: Black
Notes: Reduced Capacity

$99.00
6 In Stock

ENZO Wrench for compression fork piston holder Showa/KYB Cartridge

Enzo Racing

ENZO Wrench for compression fork piston holder Showa/KYB Cartridge

Developed by Enzo Racing
(SKU: ED59-37-290)

$50.00
14 In Stock

Fork Compression Valve Removal Tool - KYB

Techtool

Fork Compression Valve Removal Tool - KYB

Fork Compression Valve Removal Tool - KYB
(SKU: 93-003-04)

$22.00
21 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
8 In Stock

Free piston ff circlip near bushing

Kayaba (KYB) Genuine Motorcycle Parts

Free piston ff circlip near bushing

Original KYB Japan Motorcycle Suspension Parts
(SKU: 110290000201)

$3.74
256 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: 110231000301)

$10.97
19 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 Cartridge Seal 12,5mm x 18 x 3

Kayaba (KYB) Genuine Motorcycle Parts

Front Fork Cartridge Seal 12,5mm x 18 x 3

Original KYB Japan Motorcycle Suspension Parts
(SKU: 110210000401)

$30.42
30 In Stock

Front Fork Lock Nut 6mm Flat Type

Kayaba (KYB) Genuine Motorcycle Parts

Front Fork Lock Nut 6mm Flat Type

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 110650000301)

$4.49
6474 In Stock

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