KTM 640 LC4 Adventure 2004

Calculate Spring Rates

Rider Weight

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).









Eibach Suspension Technology

Eibach EMS Moto Fork Springs 43.2 x 508

43.2mm OD x 508mm Free Length
(SKU: 974)
$249.94
Special Order
Shipped 2-3 Days. Stock at Eibach Australia.
Shipped 2-3 Days. Stock at Eibach Australia.
$249.94
Special Order
Shipped 2-3 Days. Stock at Eibach Australia.
Shipped 2-3 Days. Stock at Eibach Australia.



WP Genuine Parts

Outer Guide Bush 48 x 12 x 1.5

48mm id x 12mm tall x 1.5mm thick
(SKU: 24-502-00)
Inside Diameter d (mm):   48.0
Fork Inner Tube Ø d (mm):   48.0
Height H (mm):   12.0
Outside Ø D (mm):   51.0
Wall Thickness (mm):   1.5
$70.72
4 In Stock

Teknik Motorsport

Outer Guide Bush 48 x 12 x 2.0 Aftermarket

48mm id x 12mm tall x 2.0mm thick
(SKU: 24-580-01)
Inside Diameter d (mm):   48.0
Fork Inner Tube Ø d (mm):   48.0
Height H (mm):   12.0
Outside Ø D (mm):   52.0
Wall Thickness (mm):   2.0
$6.60
477 In Stock






SKF Sealing

SKF WP Fork Seal Kit 48mm (Dual Comp)

Requires 2 kits for complete fork service.
(SKU: SKF-DUAL-48W)
Colour:   Green/Orange
Seal Outer Ø D (mm):   58.20
Seal Height H (mm):   9.0
Seal Wiper Outside Ø D1 (mm):   58.70
Seal Wiper Height H1 (mm):   5.7
Fork Inner Tube Ø d (mm):   48.0
$62.95
15 In Stock

SKF Sealing

SKF 48mm WP Fork Seal & Wiper Set - Heavy Duty

Requires 2 kits for complete fork service.
(SKU: SKF48WHD)
Colour:   Green
Seal Outer Ø D (mm):   58.20
Seal Height H (mm):   9.0
Seal Wiper Outside Ø D1 (mm):   58.70
Seal Wiper Height H1 (mm):   5.7
Fork Inner Tube Ø d (mm):   48.0
$59.95
28 In Stock



SKF Sealing

SKF 48mm WP Fork Seal & Wiper Set

Requires 2 kits for complete fork service.
(SKU: SKF48W)
Colour:   Green
Seal Outer Ø D (mm):   58.20
Seal Height H (mm):   9.0
Seal Wiper Outside Ø D1 (mm):   58.70
Seal Wiper Height H1 (mm):   5.7
Fork Inner Tube Ø d (mm):   48.0
$59.95
Coming Soon
Shipped 1 Week



HiCalibre

HiCalibre Shock Spring 60 x 260 Sachs 46 and 50

60mm id x 260mm free length
(SKU: 20-073)


Factory Racing

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
157 In Stock