Suspension Parts for 2025 YAMAHA WR450F 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 2025 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 2025 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

0.48

Stock Shock Spring Rate

5.6kg

Bike Type

OFFROAD

Ideal Rider Weight

75 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: 315 mm

Fork Features

Preload Adjuster: 7 mm Range
Twin Chamber Fork: Yes

Fork Oil

Fork Oil Weight: SAE 2.5
Fork Oil Level: 200cc/350cc mm
Oil Quanity: 2 Litres

Fork Spring Information

Spring Rate – Claimed: 0.48
Standard Preload: 7 mm

Fork Comments

: Check floating piston for cracking

SHOCKS INFO

Shock Manufacturer

KYB: 50 mm ID

Shock Dimensions

Nitrogen Pressure: 142 psi
Shock Length (Eye to Eye): 464 mm
Shock Travel: 120 mm
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: 15
Wheel Travel: 318 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

18 Parts

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FORK SEALS & BUSHES

17 Parts

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TOOLS & LUBRICANTS

39 Parts

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All Fitment-Matched Suspension Parts

Browse All 148 Products for YAMAHA WR450F 2025

48mm KYB SKF Mud Scraper

SKF Sealing

48mm KYB SKF Mud Scraper

Removable Scraper
(SKU: KIT-MS48KM)

$55.00
2 In Stock

KoubaLink Lowering Link Yamaha YZF1 YZ250/450F WR250/450F -38mm Black

KoubaLink

KoubaLink Lowering Link Yamaha YZF1 YZ250/450F WR250/450F -38mm Black

Enhanced Control with Expert Engineering
(SKU: KOUBALINK-YZF-1)

Colour: Black

Seat Height Change (mm): -38

$295.00
3 In Stock

Krooztune KYB HIGH SPEED COMP PISTON

Krooztune

Krooztune KYB HIGH SPEED COMP PISTON

Proudly made in Australia
(SKU: KT-KYBHSCP)

$62.95
4 In Stock

Krooztune KYB 29mm SSS Fork Cartridge Mid-Post Float Tuning Kit

Krooztune

Krooztune KYB 29mm SSS Fork Cartridge Mid-Post Float Tuning Kit

Proudly made in Australia
(SKU: KT-KYBMPKF)

$159.95
2 In Stock

Krooztune Supercross Spring Seat KYB 48mm / Showa 49mm

Krooztune

Krooztune Supercross Spring Seat KYB 48mm / Showa 49mm

Proudly made in Australia
(SKU: KT-SXFFSS)

Bike Type: KYB 48 (25mm cart)

$309.95
1 In Stock

Bike Type: Showa 49

$309.95

Alloy Schrader valve Bladder Cap

Krooztune

Alloy Schrader valve Bladder Cap

Fits YZF and WR ranges 2018/19 on
(SKU: KT-YZFGASCAP-BL)

$84.95
2 In Stock

48mm KYB Fork Seal and Dust Wiper Set 2pc set , Hi performance seal

Capelli Race

48mm KYB Fork Seal and Dust Wiper Set 2pc set , Hi performance seal

one oil seal and one dust seal, buy 2 sets for one bike
(SKU: KYB48Capset)

Oil Seal Inside Diameter d (mm): 48.0

Oil Seal Outside Ø D1 (mm): 58.7

Oil Seal Height H (mm): 4.9

Dust Wiper Inside Diameter d (mm): 48.0

Dust Wiper Outside Ø D1 (mm): 58.2

Dust Wiper Height H (mm): 9.5

$49.95
1492 In Stock

48mm KYB Fork Seal Set 2pc set , Hi performance seal

Capelli Race

48mm KYB Fork Seal Set 2pc set , Hi performance seal

one pair of oil seals only, for one bike
(SKU: KYB48sealset)

Oil Seal Inside Diameter d (mm): 48.0

Oil Seal Outside Ø D1 (mm): 58.7

Oil Seal Height H (mm): 4.9

$49.95
747 In Stock

RCU PISTON BUSH 50.00x11.50x1.25mm KAYABA

K-Tech

RCU PISTON BUSH 50.00x11.50x1.25mm KAYABA

(SKU: PB-50115125)

Height H (mm): 11.50

Outside Ø D (mm): 50.0

Wall Thickness (mm): 1.25

$36.95
13 In Stock

SKF KYB Shock Seal Case Assembly 50 x 16 x 20

SKF Sealing

SKF KYB Shock Seal Case Assembly 50 x 16 x 20

50mm od x 16mm id x 20mm tall - KYB
(SKU: SH2-KYB1650)

Shock Bore Ø D (mm): 50.0

Shock Shaft Ø D (mm): 16.0

Height H (mm): 20.0

$79.95
7 In Stock

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