Model:  KTM 640 LC4 Adventure 2002

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).

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