Suspension Parts for 2018 YAMAHA YZ450F Motorbikes | Guaranteed Fitment

Christmas opening hours. Last shipping day Wednesday 24th December. All orders placed over the break will ship Monday 5th January.

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

: 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
Fork Oil Level: 360cc mm
Oil Quanity: 2 Litres

Fork Spring Information

Spring Rate – Claimed: 0.46
Standard Preload: 5 mm

Fork Comments

: Check floating piston for cracking

SHOCKS INFO

Shock Manufacturer

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

16 Parts

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SHOCK SHAFT PARTS

17 Parts

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SHOCK BODY PARTS

18 Parts

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SUSPENSION LOCKNUTS & BUSHES

27 Parts

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TOOLS & LUBRICANTS

49 Parts

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All Fitment-Matched Suspension Parts

Browse All 278 Products for YAMAHA YZ450F 2018

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

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 Schrader Valve Cap

(SKU: 30-652-00)

$3.99
667 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
2 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 42.75 x 495

Teknik Moto Springs

Teknik Fork Springs 42.75 x 495

Made in The Netherlands to ISO 9001
(SKU: 42.75-495)

spring rate: 3.8 N/mm

$220.00
Nil Stock

spring rate: 4.0 N/mm

$220.00
Nil Stock

spring rate: 4.2 N/mm

$220.00
Nil Stock

spring rate: 4.4 N/mm

$220.00
Nil Stock

spring rate: 4.6 N/mm

$220.00
Nil Stock

spring rate: 4.8 N/mm

$220.00
Nil Stock

spring rate: 5.0 N/mm

$220.00
Nil Stock

spring rate: 5.2 N/mm

$220.00
Nil 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)

spring rate: 4.0 N/mm

$235.00
2 In Stock

spring rate: 4.2 N/mm

$235.00
Nil Stock

spring rate: 4.4 N/mm

$235.00
22 In Stock

spring rate: 4.6 N/mm

$235.00
Nil Stock

spring rate: 4.8 N/mm

$235.00
17 In Stock

spring rate: 5.0 N/mm

$235.00
18 In Stock

spring rate: 5.2 N/mm

$235.00
19 In Stock

spring rate: 3.8 N/mm

$235.00
2 In Stock

spring rate: 5.4 N/mm

$235.00
Nil Stock

spring rate: 5.6 N/mm

$235.00
6 In Stock

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