Model:  YAMAHA YZ250F 2017

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

4.6N

Stock Shock Spring Rate

54N

Bike Type

MX

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

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
54N kg/mm

Shock Comments

Replace alloy shock collars with steel if binding.

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Browse All 255 Products for YAMAHA YZ250F 2017



Enzo Racing

Enzo Racing KYB AOS Front Fork Cap Compression Adjuster Assembly


(SKU: ERFFCA)
$440.00
Special Order
Shipped 4 Weeks
Shipped 4 Weeks




Capelli Race

48mm KYB Fork Seal and Dust Wiper Set 2pc set , Hi performance seal

one oil seal and one dust seal, buy 2 sets for one bike
(SKU: KYB48Capset)
Oil Seal Inside Diameter d (mm):   48.0
Oil Seal Outside Ø D1 (mm):   58.7
Oil Seal Height H (mm):   4.9
Dust Wiper Inside Diameter d (mm):   48.0
Dust Wiper Outside Ø D1 (mm):   58.2
Dust Wiper Height H (mm):   9.5
$49.95
1515 In Stock




SKF Sealing

SKF KYB Fork Seal Kit 48mm (Dual Comp)

Requires 2 kits for complete fork service.
(SKU: SKF-DUAL-48K)
Colour:   Green/Orange
Seal Outer Ø D (mm):   58.42
Seal Height H (mm):   8.5
Seal Wiper Outside Ø D1 (mm):   58.70
Seal Wiper Height H1 (mm):   4.9
Fork Inner Tube Ø d (mm):   48.0
$69.95
33 In Stock