YAMAHA WR250F 2019

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

0.46

Bike Type

OFFROAD

Ideal Rider Weight

75 kg

Forks Info

Fork Manufacturer

KYB USD 48 mm OD

Fork Dimensions

Compression Nut Torque
25 in-lb (0.29 kgf-m)
Fork Travel
315 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

Spring Rate – Claimed
0.46
Standard Preload
7 mm

Fork Comments

Check floating piston for cracking

Shocks Info

Shock Manufacturer

KYB
50 mm ID

Shock Dimensions

Nitrogen Pressure
142 psi
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
318 mm

Shock Features

Non-rebuildable
No

Shock Comments

Replace alloy shock collars with steel if binding.































KYB Genuine Front Fork Spring Each - 44mm od x 470 length

44mm od x 470mm free length
(SKU: 11005-44-470)



Eibach EMS Moto Fork Springs 43.6 x 472 (43.8-470)

43.6mm OD x 472mm Free Length
(SKU: 971)















Outer Guide Bush 48 x 15 x 2.0 Aftermarket

48mm id x 15mm tall x 2.0mm thick
(SKU: 24-570-01)
Inside Diameter d (mm):   48.0
Fork Inner Tube Ø d (mm):   48.0
Height H (mm):   15.0
Outside Ø D (mm):   52.0
Wall Thickness (mm):   2.0
$6.60
698 In Stock

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)
Dust Wiper Inside Diameter d (mm):   48.0
Oil Seal Inside Diameter d (mm):   48.0
Dust Wiper Height H (mm):   9.5
Oil Seal Height H (mm):   4.9
Dust Wiper Outside Ø D1 (mm):   58.2
Oil Seal Outside Ø D1 (mm):   58.7
$44.00
312 In Stock

SKF 48mm KYB Fork Seal & 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
4 In Stock

SKF 48mm KYB Fork Seal & 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
7 In Stock



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
$62.95
Coming Soon
Shipped 1 Week





























KYB Genuine O-ring

OEM KYB Japan
(SKU: 150290000701)
$5.54
Special Order
Order placed with KYB every week. 2-3 week delivery if in stock at KYB.










































KYB Genuine O-ring

OEM KYB Japan
(SKU: 150290000701)
$5.54
Special Order
Order placed with KYB every week. 2-3 week delivery if in stock at KYB.




Teknik Shock Spring 64/66 x 275

64/66mm id x 275mm free length
(SKU: 64_66-275)

Eibach EMS Moto Shock Spring Kit 63/65 x 257 (64_66-258 20-115)

63/65mm ID x 257mm Free Length
(SKU: 897)




Bump Stop Rubber 16 x 34 x 59

16mm id x 34mm od x 59mm tall - KYB
(SKU: 22-210-00)
Height H (mm):   59.0
Outside Ø D (mm):   34.0
$22.00
114 In Stock











































KYB Genuine Piston rod rcu STD WR250F15-19 / WR450F16-18

OEM KYB Japan
(SKU: 120380006901)
Shock Shaft Ø D (mm):   16.0
Shaft Length / Height H (mm):   251.0
Shaft Valve Diameter Ø d (mm):   12.0
$199.13
Coming Soon
Order placed with KYB every week. 2-3 week delivery if in stock at KYB.



































































KYB Genuine O-ring

OEM KYB Japan
(SKU: 150290000701)
$5.54
Special Order
Order placed with KYB every week. 2-3 week delivery if in stock at KYB.




















KYB Genuine Piston Rod Holder

OEM KYB Japan
(SKU: 000.0657)
$30.27
Special Order
Order placed with KYB every week. 2-3 week delivery if in stock at KYB.