Suspension Parts for 2006 KTM 640 LC4 Adventure 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 2006 KTM 640 LC4 Adventure. 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 2006 KTM 640 LC4 Adventure.

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

0.44

Stock Shock Spring Rate

7

Bike Type

ADVENTURE

Ideal Rider Weight

70 kg

Engine Specifications

4 Stroke Engine 628 cc

FORKS INFO

Fork Manufacturer

: WP USD 48 mm OD

Fork Dimensions

Compression Nut Torque: 25 in-lb (0.29 kgf-m)

Fork Features

Twin Chamber Fork: No

Fork Oil

Fork Oil Weight: SAE 5
Fork Oil Level: 150 mm
Oil Quanity: 2 Litres

Fork Spring Information

Standard Preload: 15 mm

Fork Comments

: Set the rebound on the cap before installation. Full out then 24 clicks in. See oil level instructions. Can be modified to 310mm travel with EXC damper shaft and rebound rod. Use 19-190 springs

SHOCKS INFO

Shock Manufacturer

WP: 46 mm ID

Shock Dimensions

Nitrogen Pressure: 150 psi
Shock Length (Eye to Eye): 410 mm
Shock Travel: 111 mm
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).

Fitment-Matched Suspension Parts by Category

FORK REBUILD KITS

6 Parts

Please wait, loading parts....

FORK SPRINGS
Ideal Fork Rate for kg: kg/mm ( N/mm)

3 Parts

Please wait, loading parts....

FORK SEALS & BUSHES

13 Parts

Please wait, loading parts....

SHOCK BLADDER PARTS

3 Parts

Please wait, loading parts....

TOOLS & LUBRICANTS

12 Parts

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All Fitment-Matched Suspension Parts

Browse All 43 Products for KTM 640 LC4 Adventure 2006

Fork Seal Driver - 48mm

Techtool

Fork Seal Driver - 48mm

See Part # 93-009-00 for complete set
(SKU: 93-009-50)

$87.95
22 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

WP Reservoir Removal Tool - 2 Pin Type

Techtool

WP Reservoir Removal Tool - 2 Pin Type

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

$55.00
15 In Stock

Eibach EMS Moto Front Fork Spring Kit. 43.2 x 508 DR-Z400 WP 48 USD KTM 125 250 300 400 450 520

Eibach Suspension Technology

Eibach EMS Moto Front Fork Spring Kit. 43.2 x 508 DR-Z400 WP 48 USD KTM 125 250 300 400 450 520

Made in the USA (QS9000) or Germany (ISO16949)
(SKU: 974)

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
Special Order

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: 0.50 kg/mm

$249.94
1 In Stock

spring rate: 0.52 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 FORK CAP WRENCH PRO | WP | 50mm ORANGE

Enzo Racing

DRC FORK CAP WRENCH PRO | WP | 50mm ORANGE

Developed by Enzo Racing
(SKU: D59-37-172)

$45.00
9 In Stock

DRC ENZO | Fork Outer Clamp/Holder | Quick Release

Enzo Racing

DRC ENZO | Fork Outer Clamp/Holder | Quick Release

Developed by Enzo Racing
(SKU: ED59-37-260)

$185.00
3 In Stock

DRC ENZO | Fork Cap Spinner | WP

DRC Zeta Hardware

DRC ENZO | Fork Cap Spinner | WP

(SKU: ED59-37-320)

$43.00
5 In Stock

48mm WP Fork Dust Wiper 2pc set (Low Friction)

Capelli Race

48mm WP Fork Dust Wiper 2pc set (Low Friction)

(SKU: FS48579.511.52DW.SET)

$49.95
916 In Stock

48mm WP Fork Seal 2pc set (Low Friction)

Capelli Race

48mm WP Fork Seal 2pc set (Low Friction)

(SKU: FS48579.511.52S.SET)

$49.95
747 In Stock

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