Suspension Parts for 2000 KTM 640 SMC LC4 Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2000 KTM 640 SMC LC4. 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 2000 KTM 640 SMC LC4.

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 640 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: 150 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 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

CHASSIS PARTS

1 Parts

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

1 Parts

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FORK SEALS & BUSHES

5 Parts

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FORK COMPRESSION ADJUSTER ASSY

1 Parts

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FORK UPPER & LOWER TUBE PARTS

1 Parts

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COMPLETE SHOCKS

1 Parts

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SHOCK UPGRADE PARTS

1 Parts

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

2 Parts

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SHOCK SPRING RETAINERS /BUMPERS

1 Parts

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SHOCK BLADDER PARTS

3 Parts

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SHOCK SEAL CASE PARTS

2 Parts

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SHOCK PISTON PARTS

1 Parts

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SUSPENSION LOCKNUTS & BUSHES

1 Parts

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TOOLS & LUBRICANTS

9 Parts

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All Fitment-Matched Suspension Parts

Browse All 28 Products for KTM 640 SMC LC4 2000

Seal hammer 43mm

Kayaba (KYB) Genuine Motorcycle Parts

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

HiCalibre

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

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
4 In Stock

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 59 x 250 Common Fitment KTM 620 640 LC4

HiCalibre

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

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

Teknik Motorsport

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

Teknik Motorsport

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
432 In Stock

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

Capelli Race

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

Nitrogen Shock Filling Valve M5

Teknik Motorsport

Nitrogen Shock Filling Valve M5

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

$20.00
19 In Stock

WP Regas Valve (M5x0.8 Schrader)

Teknik Motorsport

WP Regas Valve (M5x0.8 Schrader)

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

$30.80
12 In Stock

WP Compression Adjuster Tap Assembly

WP Genuine Parts

WP Compression Adjuster Tap Assembly

(SKU: 24-022-22)

$79.99
2 In Stock

43mm WP Stainless Steel Fork Seal Clip replaces WP 43570008

Teknik Motorsport

43mm WP Stainless Steel Fork Seal Clip replaces WP 43570008

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

$22.00
192 In Stock

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