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KTM 640 LC4 Adventure 1999

Ideal Fork Rate:
kg/mm ( N/mm)
Ideal Shock Rate:
kg/mm ( N/mm)
Stock Fork Spring Rate
0.42
Bike Type
ADVENTURE
Ideal Rider Weight
70 kg
Engine Specifications
4 Stroke Engine 628 cc
Forks Info

Fork Manufacturer

WP Conventional 50 mm OD

Fork Dimensions

Compression Nut Torque
25 in-lb (0.29 kgf-m)
Fork Travel
300 mm

Fork Features

Twin Chamber Fork
No

Fork Oil

Fork Oil Weight
SAE 7.5
Fork Oil Level
150 mm
Oil Quanity
2 Litres

Fork Spring Information

Standard Preload
15 mm

Fork Comments

Left Leg Compression Right Leg Rebound

Shocks Info

Shock Manufacturer

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).

Forks Info

Fork Manufacturer

WP Conventional 50 mm OD

Fork Dimensions

Compression Nut Torque
25 in-lb (0.29 kgf-m)
Fork Travel
300 mm

Fork Features

Twin Chamber Fork
No

Fork Oil

Fork Oil Weight
SAE 7.5
Fork Oil Level
150 mm
Oil Quanity
2 Litres

Fork Spring Information

Standard Preload
15 mm

Fork Comments

Left Leg Compression Right Leg Rebound

Shocks Info

Shock Manufacturer

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).