Model:  YAMAHA YZ250 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

0.43

Stock Shock Spring Rate

4.8

Bike Type

MX

Ideal Rider Weight

75 kg

Engine Specifications

2 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

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
7 mm

Fork Comments

Check floating piston for cracking

SHOCKS INFO

Shock Manufacturer

KYB
46 mm ID

Shock Dimensions

Nitrogen Pressure
142 psi
Shock Length (Eye to Eye)
492 mm
Shock Shaft Outer Diameter
18 mm
Standard Sag
103 mm
Shaft Nut Torque
25 ft-lbs (34 NM)
Shock Oil
2.5 Weight
Standard Preload
24
Wheel Travel
315 mm

Shock Features

Non-rebuildable
No

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Browse All 245 Products for YAMAHA YZ250 2017
48mm KYB Fork Seal and Dust Wiper Set 2pc set , Hi performance seal
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 KYB Fork Seal Kit 48mm (Dual Comp)
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
SKF Fork Bushings Kit 2pcs - 1x Inner 1x Outer - KYB 48
SKF Sealing

SKF Fork Bushings Kit 2pcs - 1x Inner 1x Outer - KYB 48

Genuine SKF Fork Bush Kit
(SKU: SKF-VKWA-KYB48-A)
Fork Inner Tube Ø d (mm):   48.0
External Teflon Bushing Dimensions (mm):   47X49X20
Internal Teflon Bushing Dimensions (mm):   48X52X15
Suspension Brand:   Kayaba (KYB)
$44.95
14 In Stock
SKF 48mm KYB Fork Seal and Wiper Set
SKF Sealing

SKF 48mm KYB Fork Seal and Wiper Set

Requires 2 kits for complete fork service.
(SKU: SKF48K)
Colour:   Green
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
$59.95
38 In Stock
SKF 48mm KYB Fork Seal and Wiper Set - Heavy Duty
SKF Sealing

SKF 48mm KYB Fork Seal and Wiper Set - Heavy Duty

Requires 2 kits for complete fork service.
(SKU: SKF48KHD)
Colour:   Green
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
$59.95
51 In Stock