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CALCULATE SPRING RATES

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

0.45

Stock Shock Spring Rate

5.7

Bike Type

Ideal Rider Weight

75 kg

Engine Specifications

4 Stroke Engine 250 cc

FORKS INFO

Fork Manufacturer

: KYB USD 48 mm OD

Fork Dimensions

Compression Nut Torque: 48 in-lb (0.56 kgf-m)
Fork Travel: 300 mm

Fork Features

Preload Adjuster: 0 mm Range
Twin Chamber Fork: Yes

Fork Oil

Fork Oil Weight: SAE 2.5
Fork Oil Level: 350cc mm
Oil Quanity: 2 Litres

Fork Spring Information

Spring Rate – Claimed: 0.45
Standard Preload: 3 mm

Fork Comments

: Check floating piston for cracking

SHOCKS INFO

Shock Manufacturer

KYB: 50 mm ID

Shock Dimensions

Nitrogen Pressure: 142 psi
Shock Travel: 136 mm
Shock Shaft Outer Diameter: 16 mm
Standard Sag: 103 mm
Shaft Nut Torque: 25 ft-lbs (34 NM)
Shock Oil: 2.5 Weight
Standard Preload: 10
Wheel Travel: 300 mm

Shock Features

Non-rebuildable: No

Shock Spring Information

Spring Rate - Claimed: 56N kg/mm

Shock Comments

: Replace alloy shock collars with steel if binding.

FORK SPRINGS
Ideal Fork Rate for kg: kg/mm ( N/mm)

7 Parts

Please wait, loading parts....

FORK COMPRESSION ADJUSTER ASSY

37 Parts

Please wait, loading parts....

SHOCK SPRINGS
Ideal Spring Rate for kg: kg/mm ( N/mm)

1 Parts

Please wait, loading parts....

SHOCK SPRING RETAINERS /BUMPERS

5 Parts

Please wait, loading parts....

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We are committed to ensuring that your information is secure. In order to prevent unauthorised access or disclosure, we have put in place suitable physical, electronic and managerial procedures to safeguard and secure the information we collect online.

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Model: YAMAHA YZ250FX 2017

CALCULATE SPRING RATES

BIKE DETAILS