Suspension Parts for 2019 YAMAHA YZ450FX Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2019 YAMAHA YZ450FX. 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 2019 YAMAHA YZ450FX.

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

Bike Type

MX

Ideal Rider Weight

75 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: 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

FORK UPGRADE PARTS

15 Parts

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FORK SEALS & BUSHES

17 Parts

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FORK COMPRESSION ADJUSTER ASSY

33 Parts

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FORK CARTRIDGE ROD PARTS

15 Parts

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FORK UPPER & LOWER TUBE PARTS

18 Parts

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FORK O-RINGS

18 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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SUSPENSION LOCKNUTS & BUSHES

29 Parts

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TOOLS & LUBRICANTS

42 Parts

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All Fitment-Matched Suspension Parts

Browse All 232 Products for YAMAHA YZ450FX 2019

KYB SSS 3 port Fork Piston Set

Teknik Motorsport

KYB SSS 3 port Fork Piston Set

(SKU: 25-123-01)

$74.95
46 In Stock

KYB Soft High Speed Adjuster Spring. Short SDEHSAS

Suspension Direct International (SDI)

KYB Soft High Speed Adjuster Spring. Short SDEHSAS

(SKU: 30-002-18)

$77.00
7 In Stock

1mm Shock Lowering Stop Washer

Suspension Direct International (SDI)

1mm Shock Lowering Stop Washer

(SKU: 30-002-20)

$35.27
1 In Stock

52mm High Capacity Shock Bladder Cap - Black

Teknik Motorsport

52mm High Capacity Shock Bladder Cap - Black

(SKU: 30-002-62)

$44.00
14 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
44 In Stock

Fork Preload Spacers 24mm cartridges SDEFSP24-25

Suspension Direct International (SDI)

Fork Preload Spacers 24mm cartridges SDEFSP24-25

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

$27.50
21 In Stock

Yamalink Lowering Link 2010-2023 YZ450F -15mm

Yamalink

Yamalink Lowering Link 2010-2023 YZ450F -15mm

Yamaha 2010- YZ450F
(SKU: 30-006-37)

Seat Height Change (mm): -15

$259.00
1 In Stock

Yamalink Lowering Link 2016 on YZ450FX -35mm

Yamalink

Yamalink Lowering Link 2016 on YZ450FX -35mm

Yamaha on 2016 YZ450FX (Blue)
(SKU: 30-006-62)

Seat Height Change (mm): -35

$259.00
2 In Stock

Yamalink Lowering Link 2016 on YZ450FX -20mm

Yamalink

Yamalink Lowering Link 2016 on YZ450FX -20mm

Yamaha 2016 on YZ450FX (Black)
(SKU: 30-006-63)

Seat Height Change (mm): -20

$259.00
1 In Stock

Teknik Schrader Valve Cap

Teknik Motorsport

Teknik Schrader Valve Cap

(SKU: 30-652-00)

$3.99
830 In Stock

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