YAMAHA WR250R 2018

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

0.47

Stock Shock Spring Rate

07.70 kg/mm

Bike Type

TRAIL

Ideal Rider Weight

75 kg

Engine Specifications

4 Stroke Engine 250 cc

Forks Info

Fork Manufacturer

KYB USD 46 mm OD

Fork Dimensions

Compression Nut Torque
48 in-lb (0.56 kgf-m)

Fork Features

Twin Chamber Fork
No

Fork Oil

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

Fork Spring Information

Standard Preload
7 mm

Shocks Info

Shock Manufacturer

KYB
46 mm ID

Shock Dimensions

Nitrogen Pressure
142 psi
Shock Length (Eye to Eye)
490 mm
Shock Travel
136 mm
Shock Shaft Outer Diameter
14 mm
Standard Sag
95 mm
Shaft Nut Torque
25 ft-lbs (34 NM)
Shock Oil
2.5 Weight
Standard Preload
12

Shock Features

Non-rebuildable
No

Shock Comments

Shock Piston Band not replaceable.





SKF 46mm KYB Fork Seal & Wiper Set

Requires 2 kits for complete fork service.
(SKU: SKF46K)
Colour:   Green
Seal Outer Ø D (mm):   58.45
Seal Height H (mm):   8.5
Seal Wiper Outside Ø D1 (mm):   59.00
Seal Wiper Height H1 (mm):   5.8
Fork Inner Tube Ø d (mm):   46.0
$59.95
6 In Stock










HiCalibre Shock Spring 60 x 200

60mm id x 200mm free length
(SKU: 20-065)



Shock Seal Head Assembly 46 x 14 x 22

46mm od x 14mm id x 22mm tall - Ohlins
(SKU: 22-501-01)
Shock Bore Ø D (mm):   46.0
Shock Shaft Ø d (mm):   14.0
Height H (mm):   22.0
$203.50
5 In Stock