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Discover suspension parts guaranteed to fit the 1999 KTM 400 EXC. 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 1999 KTM 400 EXC.

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

0.42

Stock Shock Spring Rate

7.3

Bike Type

OFFROAD

Ideal Rider Weight

75 kg

Engine Specifications

4 Stroke Engine 400 cc

FORKS INFO

Fork Manufacturer

: WP Conventional 50 mm OD

Fork Dimensions

Compression Nut Torque: 25 in-lb (0.29 kgf-m)
Fork Travel: 300 mm

Fork Features

Twin Chamber Fork: No

Fork Oil

Fork Oil Weight: SAE 7.5
Fork Oil Level: 150 mm
Oil Quanity: 2 Litres

Fork Spring Information

Standard Preload: 15 mm

Fork Comments

: Left Leg Compression Right Leg Rebound

SHOCKS INFO

Shock Manufacturer

WP: 50 mm ID

Shock Dimensions

Nitrogen Pressure: 150 psi
Shock Shaft Outer Diameter: 14 mm
Standard Sag: 113-118 mm
Shaft Nut Torque: 25 ft-lbs (34 NM)
Shock Oil: 5 Weight
Standard Preload: 6

Shock Features

Non-rebuildable: No

Fitment-Matched Suspension Parts by Category

SHOCK SPRINGS
Ideal Spring Rate for kg: kg/mm ( N/mm)

2 Parts

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SHOCK BLADDER PARTS

3 Parts

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SHOCK SEAL CASE PARTS

3 Parts

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TOOLS & LUBRICANTS

8 Parts

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All Fitment-Matched Suspension Parts

Browse All 19 Products for KTM 400 EXC 1999

Shock Seal Head Bullet 5Pc Kit

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

$76.95
15 In Stock

WP Reservoir Removal Tool - 2 Pin Type

Fits many WP Shocks from 1984 on
(SKU: 93-046-00)

$55.00
14 In Stock

Eibach EMS Moto Front Fork Spring Kit. WP Extreme 50mm KTM 125 250 300 400 620 LC4 Discontinued

Made in the USA (QS9000) or Germany (ISO16949)
(SKU: 980)

spring rate: 0.47 kg/mm

$249.94
Nil Stock

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

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

$139.99
5 In Stock

Krooztune XPLOR Clamp Tool 6 and 12mm

Proudly made in Australia
(SKU: KT-XPLORFF-TL)

$31.96
2 In Stock

RCU PISTON BUSH 50.00x08.00x1.00mm WP PDS

(SKU: PB-500810)

Height H (mm): 8.0

Outside Ø D (mm): 40.0

Wall Thickness (mm): 1.00

$54.95
3 In Stock

ZETA GAS VALVE FOR REAR SUSPENSION

(SKU: ZE56-510)

Bladder Cap Style: Dent

$82.50
4 In Stock

Bladder Cap Style: Flat

$82.50
4 In Stock

Bladder Cap Style: Dent

$75.00
3 In Stock

Bladder Cap Style: Flat

$75.00
2 In Stock

WP Wiper 18 x 35 x 7 (50180082)

18mm id x 35mm od x 7mm thick - WP
(SKU: 22-423-00)

$55.00
Nil Stock

Fork Seal & Wiper Set 50mm id NLA

50mm id - WP Extreme - One Fork Leg
(SKU: R906)

Fork Inner Tube Ø d (mm): 50.0

$99.00
Nil Stock

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Suspension Parts for KTM 400 EXC 1999 – Shocks, Forks & Upgrades

Bike-Specific Suspension Specifications & Setup Information

CALCULATE SPRING RATES

BIKE DETAILS

FORKS INFO

Fork Manufacturer

Fork Dimensions

Fork Features

Fork Oil

Fork Spring Information

Fork Comments

SHOCKS INFO

Shock Manufacturer

Shock Dimensions

Shock Features

Fitment-Matched Suspension Parts by Category

All Fitment-Matched Suspension Parts

Subscribe to our Newsletter

Terms & Conditions

Privacy Policy

1. WHAT WE COLLECT

2. WHAT WE DO WITH THE INFORMATION WE GATHER

3. SECURITY

4. HOW WE USE COOKIES

5. CONTROLLING YOUR PERSONAL INFORMATION