Model:  YAMAHA YZ250 1987

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

0.377

Stock Shock Spring Rate

5.2

Bike Type

MX

Ideal Rider Weight

75 kg

Engine Specifications

2 Stroke Engine 250 cc

FORKS INFO

Fork Manufacturer

KYB Conventional 43 mm OD

Fork Features

Twin Chamber Fork
No

Fork Oil

Fork Oil Weight
SAE 5
Fork Oil Level
130 mm
Oil Quanity
2 Litres

Fork Spring Information

Spring Rate – Claimed
0.38
Standard Preload
10 mm

SHOCKS INFO

Shock Manufacturer

Soqi
46 mm ID

Shock Dimensions

Nitrogen Pressure
142 psi
Shock Length (Eye to Eye)
420 mm
Shock Travel
119 mm
Shock Shaft Outer Diameter
14 mm
Standard Sag
103 mm
Shaft Nut Torque
25 ft-lbs (34 NM)
Shock Oil
5 Weight

Please wait, loading parts....

Please wait, loading parts....

Please wait, loading parts....

Please wait, loading parts....