Suspension Parts for 1998 YAMAHA WR400F Motorbikes | Guaranteed Fitment

US customers; Orders are being processed manually due to tariff restrictions. Please email sales@teknikmotorsport.com to place an order.

Discover suspension parts guaranteed to fit the 1998 YAMAHA WR400F. 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 1998 YAMAHA WR400F.

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

0.45

Stock Shock Spring Rate

5

Bike Type

OFFROAD

Ideal Rider Weight

75 kg

Engine Specifications

4 Stroke Engine 400 cc

FORKS INFO

Fork Manufacturer

: KYB USD 46 mm OD

Fork Dimensions

Compression Nut Torque: 48 in-lb (0.56 kgf-m)

Fork Features

Twin Chamber Fork: No

Fork Oil

Fork Oil Weight: SAE 5
Fork Oil Level: 95 mm
Oil Quanity: 2 Litres

Fork Spring Information

Standard Preload: 10 mm

SHOCKS INFO

Shock Manufacturer

KYB: 46 mm ID

Shock Dimensions

Nitrogen Pressure: 142 psi
Shock Length (Eye to Eye): 480 mm
Shock Travel: 141 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: 14

Shock Features

Non-rebuildable: No

Fitment-Matched Suspension Parts by Category

FORK SEALS & BUSHES

9 Parts

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FORK COMPRESSION ADJUSTER ASSY

7 Parts

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SUSPENSION LOCKNUTS & BUSHES

6 Parts

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TOOLS & LUBRICANTS

22 Parts

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All Fitment-Matched Suspension Parts

Browse All 59 Products for YAMAHA WR400F 1998

16 x 12mm Shock Seal Head Bullet

Teknik Tools

16 x 12mm Shock Seal Head Bullet

Motorcycle Suspension Tools
(SKU: 93-025-00)

$19.95
24 In Stock

Shock Seal Head Bullet 5Pc Kit

Techtool

Shock Seal Head Bullet 5Pc Kit

Shock Seal Head Bullet 5pc Kit
(SKU: 93-031-00)

$76.95
15 In Stock

Techtool Fork Tube Tool & Cartridge Rod Holding Plate

Techtool

Techtool Fork Tube Tool & Cartridge Rod Holding Plate

For KYB, Showa & WP Twin or Open Chamber Forks
(SKU: 93-032-00)

$220.00
18 In Stock

Eibach EMS Moto Front Fork Spring Kit. 41.2 x 462 KYB 46mm USD YZ WR 125 250 400 426 1996-2004

Eibach Suspension Technology

Eibach EMS Moto Front Fork Spring Kit. 41.2 x 462 KYB 46mm USD YZ WR 125 250 400 426 1996-2004

Made in the USA (QS9000) or Germany (ISO16949)
(SKU: 981)

spring rate: 0.38 kg/mm

$249.94
Special Order

spring rate: 0.40 kg/mm

$249.94
2 In Stock

spring rate: 0.42 kg/mm

$249.94
1 In Stock

spring rate: 0.44 kg/mm

$249.94
1 In Stock

spring rate: 0.46 kg/mm

$249.94
1 In Stock

spring rate: 0.48 kg/mm

$249.94
1 In Stock

spring rate: 0.45 kg/mm

$249.94
1 In Stock

DRC FORK SEAL DRIVER SET | UNIVERSAL | 40-50mm

DRC Zeta Hardware

DRC FORK SEAL DRIVER SET | UNIVERSAL | 40-50mm

DRC Fork Seal Driver Tool Set
(SKU: D59-26-005)

$139.99
5 In Stock

DRC SHOCK SEAL HEAD INSERT KIT | KYB/SHOWA | INNER 12mm / OUTER 14/16/18mm

DRC Zeta Hardware

DRC SHOCK SEAL HEAD INSERT KIT | KYB/SHOWA | INNER 12mm / OUTER 14/16/18mm

Shock seal Bullet set -14x12 16x12 18x12
(SKU: D59-37-135)

$49.50
1 In Stock

RCU PISTON BUSH 46.00x11.50x1.20mm KAYABA

K-Tech

RCU PISTON BUSH 46.00x11.50x1.20mm KAYABA

(SKU: PB-46115120)

Height H (mm): 11.50

Outside Ø D (mm): 46.0

Wall Thickness (mm): 1.20

$36.95
5 In Stock

SKF KYB Shock Seal Case Assembly 46 x 16 x 20

SKF Sealing

SKF KYB Shock Seal Case Assembly 46 x 16 x 20

46mm od x 16mm id x 20mm tall - KYB
(SKU: SH2-KYB1646)

Shock Bore Ø D (mm): 46.0

Shock Shaft Ø D (mm): 16.0

Height H (mm): 20.0

$79.95
4 In Stock

SKF Fork Bushings Kit 2pcs - 1x Inner 1x Outer - KYB 46 TYPE 1

SKF Sealing

SKF Fork Bushings Kit 2pcs - 1x Inner 1x Outer - KYB 46 TYPE 1

Genuine SKF Fork Bush Kit
(SKU: SKF-VKWA-KYB46-A)

Fork Inner Tube Ø d (mm): 46.0

External Teflon Bushing Dimensions (mm): 45X47X20

Internal Teflon Bushing Dimensions (mm): 46X50X12

Suspension Brand: Kayaba (KYB)

$44.95
4 In Stock

SKF 46mm KYB Fork Seal and Wiper Set

SKF Sealing

SKF 46mm KYB Fork Seal and Wiper Set

Requires 2 kits for complete fork service.
(SKU: SKF46K)

Colour: Green

Seal Outer Ø D (mm): 58.45

Seal Height H (mm): 8.5

Seal Wiper Outside Ø D1 (mm): 59.00

Seal Wiper Height H1 (mm): 5.8

Fork Inner Tube Ø d (mm): 46.0

$59.95
16 In Stock

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