Suspension Parts for 2018 YAMAHA YZ450F Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2018 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 2018 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

0.50

Stock Shock Spring Rate

5.6

Bike Type

MX

Ideal Rider Weight

85 kg

Engine Specifications

4 Stroke Engine 450 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: 5 mm Range
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: 5 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

20 Parts

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FORK SEALS & BUSHES

17 Parts

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FORK COMPRESSION ADJUSTER ASSY

31 Parts

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FORK CARTRIDGE ROD PARTS

16 Parts

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FORK UPPER & LOWER TUBE PARTS

19 Parts

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FORK O-RINGS

18 Parts

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SHOCK UPGRADE PARTS

17 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

27 Parts

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TOOLS & LUBRICANTS

50 Parts

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All Fitment-Matched Suspension Parts

Browse All 279 Products for YAMAHA YZ450F 2018

52mm Flat Shock Bladder Cap - Black

Teknik Motorsport

52mm Flat Shock Bladder Cap - Black

(SKU: 30-002-64)

$33.00
21 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

2009-2017 YZ450F Pull Rod - Black

Suspension Direct International (SDI)

2009-2017 YZ450F Pull Rod - Black

Yamaha 2009-2017 YZ450F (Black)
(SKU: 30-006-13)

$350.00
1 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

Teknik Schrader Valve Cap

Teknik Motorsport

Teknik Schrader Valve Cap

(SKU: 30-652-00)

$3.99
830 In Stock

All Balls Rear Shock Seal Kit - CR/CRF/KX/KLX/RM/DRZ

All Balls

All Balls Rear Shock Seal Kit - CR/CRF/KX/KLX/RM/DRZ

16 ID 50OD
(SKU: 37-1001)

Shock Bore Ø D (mm): 50.0

Shock Shaft Ø D (mm): 16.0

Height H (mm): 22.0

$95.00
1 In Stock

Xtrig Triple Clamp Rocs Pro YZF250 12-23/YZF450 10-22

XTRIG

Xtrig Triple Clamp Rocs Pro YZF250 12-23/YZF450 10-22

Adjustable offset
(SKU: 40201008)

Colour: X-Trig Brown

Offset (mm): 23-25

$925.00
1 In Stock

Teknik Fork Springs 43.5 x 497 (Eibach 963)

Teknik Moto Springs

Teknik Fork Springs 43.5 x 497 (Eibach 963)

Made in The Netherlands to ISO 9001
(SKU: 43.5-497)

From $235.00

Spring Rate: 4.0 N/mm

$235.00

Notify Me

Spring Rate: 4.2 N/mm

$235.00
23 In Stock

Spring Rate: 4.4 N/mm

$235.00

Spring Rate: 4.6 N/mm

$235.00
24 In Stock

Spring Rate: 4.8 N/mm

$235.00

Spring Rate: 5.0 N/mm

$235.00

Spring Rate: 5.2 N/mm

$235.00

Spring Rate: 3.8 N/mm

$235.00

Spring Rate: 5.4 N/mm

$235.00
25 In Stock

Spring Rate: 5.6 N/mm

$235.00

Teknik Fork Springs 43.95 x 492

Teknik Moto Springs

Teknik Fork Springs 43.95 x 492

Made in The Netherlands to ISO 9001
(SKU: 43.95-492)

From $220.00

Spring Rate: 3.8 N/mm

$220.00
Nil Stock

Notify Me

Spring Rate: 4.0 N/mm

$220.00

Spring Rate: 4.2 N/mm

$220.00

Spring Rate: 4.4 N/mm

$220.00

Spring Rate: 4.6 N/mm

$220.00

Spring Rate: 4.8 N/mm

$220.00

Spring Rate: 5.0 N/mm

$220.00

Spring Rate: 5.2 N/mm

$220.00

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