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YAMAHA YZ80 1999

Ideal Fork Rate:
kg/mm ( N/mm)
Ideal Shock Rate:
kg/mm ( N/mm)
Stock Fork Spring Rate
0.29
Stock Shock Spring Rate
4.8
Bike Type
MINI MX
Ideal Rider Weight
40 kg
Engine Specifications
2 Stroke Engine 80 cc
Forks Info

Fork Manufacturer

KYB USD 36 mm OD

Fork Dimensions

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

Fork Features

Twin Chamber Fork
No

Fork Oil

Fork Oil Weight
SAE 5
Fork Oil Level
90 mm
Oil Quanity
1 Litre

Fork Spring Information

Standard Preload
5 mm

Fork Comments

Oil level set with the gap between the inner and outer fork tube empty.

Shocks Info

Shock Manufacturer

KYB
40 mm ID

Shock Dimensions

Nitrogen Pressure
142 psi
Shock Length (Eye to Eye)
403 mm
Shock Travel
110 mm
Shock Shaft Outer Diameter
14 mm
Standard Sag
85 mm
Shaft Nut Torque
25 ft-lbs (34 NM)
Shock Oil
2.5 Weight
Standard Preload
14

Shock Features

Non-rebuildable
No

Forks Info

Fork Manufacturer

KYB USD 36 mm OD

Fork Dimensions

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

Fork Features

Twin Chamber Fork
No

Fork Oil

Fork Oil Weight
SAE 5
Fork Oil Level
90 mm
Oil Quanity
1 Litre

Fork Spring Information

Standard Preload
5 mm

Fork Comments

Oil level set with the gap between the inner and outer fork tube empty.