Suspension Parts for 2001 KTM 640 Duke II LC4 (black engine) Motorbikes

Discover suspension parts guaranteed to fit the 2001 KTM 640 Duke II LC4 (black engine). 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 2001 KTM 640 Duke II LC4 (black engine).

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

Bike Type

MOTARD

Ideal Rider Weight

70 kg

Engine Specifications

4 Stroke Engine 625 cc

FORKS INFO

Fork Manufacturer

: WP USD 43 mm OD

SHOCKS INFO

Shock Manufacturer

WP: 46 mm ID

Shock Dimensions

Nitrogen Pressure: 150 psi
Shock Shaft Outer Diameter: 14 mm
Standard Sag: 85 mm
Shaft Nut Torque: 25 ft-lbs (34 NM)
Shock Oil: 5 Weight

Shock Features

Non-rebuildable: No

Shock Comments

: Compression adjuster is opposite (Counterclockwise is stiffer).

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All Fitment-Matched Suspension Parts

Browse All 20 Products for KTM 640 Duke II LC4 (black engine) 2001

KYB Suspension Tools Seal hammer 43mm

Original KYB Motorcycle Suspension Tool
(SKU: 000.0652)

$128.81
1 In Stock

Teflon Shaft Bushing - 14 x 16 x 15

14mm id x 16mm od x 15mm Length
(SKU: 22-072-00)

$2.75
840 In Stock

Bump Stop Rubber 14 x 43 x 39

14mm id x 43mm od x 39mm tall - Showa
(SKU: 22-200-00)

Shock Shaft Ø D (mm): 14.0

Height H (mm): 39.0

Outside Ø D (mm): 43.0

$22.00
210 In Stock

Shock Oil Seal Quad Ring 14 x 2.62 Suits Ohlins and WP

14mm id x 2.62mm thick - Quad Ring
(SKU: 22-403-00)

$18.98
33 In Stock

Nitrogen Shock Filling Valve M5

Standard M5 0.8mm thread - WP replacement
(SKU: 22-600-00)

$20.00
95 In Stock

WP Regas Valve (M5x0.8 Schrader)

Suits WP Shocks
(SKU: 22-600-09)

$30.80
669 In Stock

43mm WP Stainless Steel Fork Seal Clip replaces WP 43570008

Fits all 43mm WP forks
(SKU: 24-750-16)

$22.00
201 In Stock

Fork Oil Level Tool

Motorcycle Suspension Tools
(SKU: 93-002-00)

$39.93
18 In Stock

Fork Bleeder Tool Set

Motorcycle Suspension Tools
(SKU: 93-007-00)

$110.00
28 In Stock

Techtool Motorcycle Fork Seal Driver Kit 9pc Kit

35/36-39-41-43-45-46/47-48-49/50-54mm
(SKU: 93-009-00)

$470.58
3 In Stock

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Suspension Parts for KTM 640 Duke II LC4 (black engine) 2001 – Shocks, Forks & Upgrades