Suspension Parts for 2018 YAMAHA WR450F Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2018 YAMAHA WR450F. 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 WR450F.

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

0.47

Bike Type

OFFROAD

Ideal Rider Weight

75 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

Twin Chamber Fork: Yes

Fork Oil

Fork Oil Weight: SAE 2.5
Oil Quanity: 350cc

Fork Spring Information

Standard Preload: 8 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

Shock Features

Non-rebuildable: No

Shock Comments

: Replace alloy shock collars with steel if binding.

Fitment-Matched Suspension Parts by Category

FORK UPGRADE PARTS

13 Parts

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FORK SEALS & BUSHES

15 Parts

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FORK COMPRESSION ADJUSTER ASSY

37 Parts

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FORK CARTRIDGE ROD PARTS

16 Parts

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FORK O-RINGS

17 Parts

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SHOCK SEAL CASE PARTS

13 Parts

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SHOCK SHAFT PARTS

17 Parts

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SHOCK BODY PARTS

19 Parts

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SUSPENSION LOCKNUTS & BUSHES

30 Parts

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TOOLS & LUBRICANTS

42 Parts

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All Fitment-Matched Suspension Parts

Browse All 224 Products for YAMAHA WR450F 2018

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 Spring collar complete 28mm Factory Aluminium

Kayaba (KYB) Genuine Motorcycle Parts

KYB Factory Spring collar complete 28mm Factory Aluminium

Genuine KYB Factory Race Parts
(SKU: 160190000101)

$102.85
2 In Stock

HiCalibre Fork Springs 43.8 x 470 Common Fitment YZF WP Xplor 4CS

HiCalibre

HiCalibre Fork Springs 43.8 x 470 Common Fitment YZF WP Xplor 4CS

Proudly made in the USA
(SKU: 19-210)

From $245.00

Spring Rate: 0.38 kg/mm

$245.00
1 In Stock

Spring Rate: 0.40 kg/mm

$245.00
2 In Stock

Spring Rate: 0.42 kg/mm

$245.00
2 In Stock

Spring Rate: 0.44 kg/mm

$245.00
3 In Stock

Spring Rate: 0.46 kg/mm

$245.00
4 In Stock

Spring Rate: 0.48 kg/mm

$245.00
Special Order

Spring Rate: 0.50 kg/mm

$245.00
1 In Stock

Spring Rate: 0.52 kg/mm

$245.00
7 In Stock

Spring Rate: 0.54 kg/mm

$245.00
9 In Stock

Spring Rate: 0.56 kg/mm

$245.00
10 In Stock

Spring Rate: 0.70 kg/mm

$245.00
Special Order

Spring Rate: 0.68 kg/mm

$245.00
2 In Stock

Spring Rate: 0.66 kg/mm

$245.00
2 In Stock

Spring Rate: 0.64 kg/mm

$245.00
1 In Stock

Spring Rate: 0.62 kg/mm

$245.00
2 In Stock

Spring Rate: 0.60 kg/mm

$245.00
2 In Stock

Spring Rate: 0.36 kg/mm

$245.00
2 In Stock

Spring Rate: 0.58 kg/mm

$245.00
2 In Stock

HiCalibre Shock Spring 63.5/65.5 x 258 (Eibach 897) Common fitment KX450 YZ450F 50mm KYB

HiCalibre

HiCalibre Shock Spring 63.5/65.5 x 258 (Eibach 897) Common fitment KX450 YZ450F 50mm KYB

Proudly made in the USA
(SKU: 20-115)

From $245.00

Spring Rate: 3.6 kg/mm
Spring Colour: Black or White

$345.00
1 In Stock

Spring Rate: 3.8 kg/mm
Spring Colour: Black or White

$345.00
Special Order

Spring Rate: 4.0 kg/mm
Spring Colour: Black or White

$345.00
Special Order

Spring Rate: 4.2 kg/mm
Spring Colour: Black or White

$245.00
Special Order

Spring Rate: 4.4 kg/mm
Spring Colour: Black or White

$245.00
Special Order

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

$245.00
Special Order

Spring Rate: 4.8 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
1 In Stock

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
1 In Stock

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
Coming Soon

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
2 In Stock

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

$345.00
10 In Stock

Spring Rate: 7.0 kg/mm
Spring Colour: Black or White

$345.00
Special Order

Spring Rate: 7.2 kg/mm
Spring Colour: Black or White

$345.00
3 In Stock

Bump Stop Rubber 16 x 34 x 59

Teknik Motorsport

Bump Stop Rubber 16 x 34 x 59

16mm id x 34mm od x 59mm tall - KYB
(SKU: 22-210-00)

Height H (mm): 59.0

Outside Ø D (mm): 34.0

$22.00
445 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
393 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
12 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
3557 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
6555 In Stock

KYB Front Fork DIY Service Kit - 48mm AOSS Forks

Capelli Race

KYB Front Fork DIY Service Kit - 48mm AOSS Forks

All 2006+ 48mm KYB Forks
(SKU: 24-374-20)

Fork Inner Tube Ø d (mm): 48.0

$159.95
19 In Stock

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