Discover suspension parts guaranteed to fit the 2002 KTM 640 LC4 Hard Enduro. 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 2002 KTM 640 LC4 Hard Enduro.

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

6.6

Bike Type

OFFROAD

Ideal Rider Weight

70 kg

Engine Specifications

4 Stroke Engine 628 cc

FORKS INFO

Fork Manufacturer

Fork Type: WP USD 43 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: 120 mm

Fork Spring Information

Standard Preload: 15 mm

Fork Comments

: Check rebound adjuster needles. Bead blast. Replace O rings. Check Mid Valve shims often bent.

SHOCKS INFO

Shock Manufacturer

Shock Type: 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).

All Fitment-Matched Suspension Parts

Browse All 31 Products for KTM 640 LC4 Hard Enduro 2002

Seal hammer 43mm

Original KYB Motorcycle Suspension Tool
(SKU: 000.0652)

$144.96
1 In Stock

HiCalibre Fork Springs 38.1 x 510 KTM EXC 43mm WP USD

Proudly made in the USA
(SKU: 19-130)

From $245.00

Spring Rate: 0.36 kg/mm

$245.00
Special Order

SPECIAL ORDER Item from USA. 4-6 weeks delivery

Spring Rate: 0.38 kg/mm

$245.00
Special Order

Spring Rate: 0.40 kg/mm

$245.00
Special Order

Spring Rate: 0.42 kg/mm

$245.00
4 In Stock

Spring Rate: 0.44 kg/mm

$245.00
Special Order

Spring Rate: 0.46 kg/mm

$245.00
4 In Stock

Spring Rate: 0.48 kg/mm

$245.00
4 In Stock

Spring Rate: 0.50 kg/mm

$245.00
4 In Stock

Spring Rate: 0.52 kg/mm

$245.00
Coming Soon

Spring Rate: 0.54 kg/mm

$245.00
1 In Stock

Spring Rate: 0.56 kg/mm

$345.00
11 In Stock

Spring Rate: 0.60 kg/mm

$345.00
1 In Stock

Spring Rate: 0.58 kg/mm

$345.00
9 In Stock

Spring Rate: 0.70 kg/mm

$345.00
6 In Stock

Spring Rate: 0.80 kg/mm

$345.00
5 In Stock

HiCalibre Shock Spring 60 x 260 Common Fitment: Sachs 46 and 50

Proudly made in the USA
(SKU: 20-073)

From $245.00

Spring Rate: 6.0 kg/mm
Spring Colour: Black or White

$245.00
1 In Stock

Spring Rate: 5.8 kg/mm
Spring Colour: Black or White

$245.00
2 In Stock

Spring Rate: 6.2 kg/mm
Spring Colour: Black or White

$245.00
Coming Soon

Spring Rate: 5.2 kg/mm
Spring Colour: Black or White

$245.00
3 In Stock

Spring Rate: 6.6 kg/mm
Spring Colour: Black or White

$245.00
Special Order

Spring Rate: 6.4 kg/mm
Spring Colour: Black or White

$245.00
2 In Stock

Spring Rate: 5.6 kg/mm
Spring Colour: Black or White

$245.00
1 In Stock

Spring Rate: 4.8 kg/mm
Spring Colour: Black or White

$245.00
2 In Stock

Spring Rate: 5.4 kg/mm
Spring Colour: Black or White

$245.00
3 In Stock

Spring Rate: 6.8 kg/mm
Spring Colour: Black or White

$245.00
3 In Stock

Spring Rate: 4.6 kg/mm
Spring Colour: Black or White

$245.00
2 In Stock

Spring Rate: 7.4 kg/mm
Spring Colour: Black or White

$245.00
1 In Stock

Spring Rate: 7.8 kg/mm
Spring Colour: Black or White

$245.00
3 In Stock

Spring Rate: 7.6 kg/mm
Spring Colour: Black or White

$245.00
1 In Stock

Spring Rate: 8.0 kg/mm
Spring Colour: Black or White

$245.00
1 In Stock

Spring Rate: 8.4 kg/mm
Spring Colour: Black or White

$245.00
2 In Stock

Spring Rate: 8.2 kg/mm
Spring Colour: Black or White

$245.00
3 In Stock

Spring Rate: 7.2 kg/mm
Spring Colour: Black or White

$245.00
3 In Stock

Spring Rate: 7.0 kg/mm
Spring Colour: Black or White

$245.00
2 In Stock

Spring Rate: 5.0 kg/mm
Spring Colour: Black or White

$245.00
3 In Stock

Spring Rate: 4.4 kg/mm
Spring Colour: Black or White

$245.00
3 In Stock

Spring Rate: 8.6 kg/mm
Spring Colour: Black or White

$245.00
Coming Soon

HiCalibre Shock Spring 59 x 250 Common Fitment KTM 620 640 LC4

Proudly made in the USA
(SKU: 20-075)

From $245.00

Spring Rate: 10.5 kg/mm
Spring Colour: Black or White

$345.00
Special Order

SPECIAL ORDER Item from USA. 4-6 weeks delivery

Spring Rate: 11.6 kg/mm
Spring Colour: Black or White

$345.00
Special Order

Spring Rate: 12.6 kg/mm
Spring Colour: Black or White

$345.00
Special Order

Spring Rate: 13.4 kg/mm
Spring Colour: Black or White

$345.00
Special Order

Spring Rate: 14.4 kg/mm
Spring Colour: Black or White

$345.00
Special Order

Spring Rate: 15.2 kg/mm
Spring Colour: Black or White

$345.00
Special Order

Spring Rate: 16.2 kg/mm
Spring Colour: Black or White

$345.00
Special Order

Spring Rate: 17.0 kg/mm
Spring Colour: Black or White

$345.00
Special Order

Spring Rate: 3.6 kg/mm
Spring Colour: Black or White

$345.00
Special Order

Spring Rate: 4.4 kg/mm
Spring Colour: Black or White

$345.00
Special Order

Spring Rate: 4.8 kg/mm
Spring Colour: Black or White

$345.00
Special Order

Spring Rate: 5.0 kg/mm
Spring Colour: Black or White

$345.00
4 In Stock

Spring Rate: 5.2 kg/mm
Spring Colour: Black or White

$345.00
Special Order

Spring Rate: 5.4 kg/mm
Spring Colour: Black or White

$345.00
Special Order

Spring Rate: 5.6 kg/mm
Spring Colour: Black or White

$345.00
Special Order

Spring Rate: 5.8 kg/mm
Spring Colour: Black or White

$345.00
Special Order

Spring Rate: 6.0 kg/mm
Spring Colour: Black or White

$345.00
2 In Stock

Spring Rate: 6.2 kg/mm
Spring Colour: Black or White

$345.00
Special Order

Spring Rate: 6.4 kg/mm
Spring Colour: Black or White

$345.00
Special Order

Spring Rate: 6.6 kg/mm
Spring Colour: Black or White

$345.00
Special Order

Spring Rate: 6.8 kg/mm
Spring Colour: Black or White

$345.00
Special Order

Spring Rate: 7.0 kg/mm
Spring Colour: Black or White

$245.00
Special Order

Spring Rate: 7.2 kg/mm
Spring Colour: Black or White

$245.00
Special Order

Spring Rate: 7.5 kg/mm
Spring Colour: Black or White

$245.00
Special Order

Spring Rate: 8.0 kg/mm
Spring Colour: Black or White

$245.00
Special Order

Spring Rate: 8.5 kg/mm
Spring Colour: Black or White

$245.00
Special Order

Spring Rate: 9.0 kg/mm
Spring Colour: Black or White

$245.00
Coming Soon

Spring Rate: 10.0 kg/mm
Spring Colour: Black or White

$345.00
1 In Stock

Spring Rate: 9.5 kg/mm
Spring Colour: Black or White

$245.00
Coming Soon

Teflon Shaft Bushing - 14 x 16 x 15

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

$2.75
792 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
436 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)

Oil Seal Inside Diameter d (mm): 14.0

Oil Seal Height H (mm): 2.62

$18.98
37 In Stock

Suspension Parts for KTM 640 LC4 Hard Enduro 2002 – 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

Shock Comments

Fitment-Matched Suspension Parts by Category

All Fitment-Matched Suspension Parts

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