YAMAHA YZ80 1985

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

0.213

Stock Shock Spring Rate

3.63

Bike Type

MINI MX

Ideal Rider Weight

40 kg

Engine Specifications

2 Stroke Engine 80 cc

Forks Info

Fork Manufacturer

KYB Conventional 33 mm OD

Fork Oil

Fork Oil Weight
SAE 7.5
Fork Oil Level
110 mm
Oil Quanity
1 Litre

Fork Spring Information

Standard Preload
5 mm

Shocks Info

Shock Manufacturer

Soqi
40 mm ID

Shock Dimensions

Nitrogen Pressure
175 psi
Shock Length (Eye to Eye)
392 mm
Shock Travel
95 mm
Shock Shaft Outer Diameter
12.5 mm
Standard Sag
85 mm
Shaft Nut Torque
20 ft-lbs (27 NM)
Shock Oil
5 Weight

Shock Comments

Teknik Revalve Only
Teknik Motorsport

Outer Guide Bush 33 x 8 x 1.5

33mm id x 8mm tall x 1.5mm thick
(SKU: 24-520-00)
Inside Diameter d (mm):   33.0
Fork Inner Tube Ø d (mm):   33.0
Height H (mm):   8.0
Outside Ø D (mm):   36.0
Wall Thickness (mm):   1.5
$38.50
3 In Stock