Suspension Parts for KTM 125 SX 2008 – Shocks, Forks & Upgrades

Discover suspension parts guaranteed to fit the 2008 KTM 125 SX. Every product in this category has been validated against year-specific fork and shock specifications to ensure true compatibility.
You’ll find fork components, shock parts, shims, upgrade kits, complete suspension systems, chassis components, and the tools and fluids required for accurate servicing - all aligned with the suspension setup of the 2008 KTM 125 SX.

Use this page as a reliable reference when maintaining, rebuilding, or upgrading your bike’s suspension.

Bike-Specific Suspension Specifications & Setup Information

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

0.41

Stock Shock Spring Rate

63N

Bike Type

MX

Ideal Rider Weight

75 kg

Engine Specifications

2 Stroke Engine 125 cc

FORKS INFO

Fork Manufacturer

WP USD 48 mm OD

Fork Dimensions

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

Fork Features

Preload Adjuster
10 mm Range
Twin Chamber Fork
Yes

Fork Oil

Fork Oil Weight
SAE 5
Fork Oil Level
360cc mm
Oil Quanity
2 Litres

Fork Spring Information

Standard Preload
15 mm

Fork Comments

We suggest 22-25 psi bladder pressure

SHOCKS INFO

Shock Manufacturer

WP
50 mm ID

Shock Dimensions

Nitrogen Pressure
150 psi
Shock Travel
100 mm
Shock Shaft Outer Diameter
18 mm
Standard Sag
113-118 mm
Shaft Nut Torque
25 ft-lbs (34 NM)
Shock Oil
5 Weight
Standard Preload
6

Shock Features

Non-rebuildable
No

Shock Comments

Longer shock than 2000-2007. Ratio change. New alloy body. New DCC on offroad models and the first alloy metering needle.

Fitment-Matched Suspension Parts by Category

Please wait, loading parts....

Please wait, loading parts....

Please wait, loading parts....

All Fitment-Matched Suspension Parts

Browse All 71 Products for KTM 125 SX 2008






SKF Sealing

SKF WP Fork Seal Kit 48mm (Dual Comp)

Requires 2 kits for complete fork service.
(SKU: SKF-DUAL-48W)
Colour:   Green/Orange
Seal Outer Ø D (mm):   58.20
Seal Height H (mm):   9.0
Seal Wiper Outside Ø D1 (mm):   58.70
Seal Wiper Height H1 (mm):   5.7
Fork Inner Tube Ø d (mm):   48.0
$69.95
38 In Stock

SKF Sealing

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

Genuine SKF Fork Bush Kit
(SKU: SKF-VKWA-WP48-A)
Fork Inner Tube Ø d (mm):   48.0
External Teflon Bushing Dimensions (mm):   47X49X20
Internal Teflon Bushing Dimensions (mm):   48X52X12
Suspension Brand:   WP
$44.95
12 In Stock

SKF Sealing

SKF 48mm WP Fork Seal and Wiper Set

Requires 2 kits for complete fork service.
(SKU: SKF48W)
Colour:   Green
Seal Outer Ø D (mm):   58.20
Seal Height H (mm):   9.0
Seal Wiper Outside Ø D1 (mm):   58.70
Seal Wiper Height H1 (mm):   5.7
Fork Inner Tube Ø d (mm):   48.0
$59.95
4 In Stock

SKF Sealing

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

Requires 2 kits for complete fork service.
(SKU: SKF48WHD)
Colour:   Green
Seal Outer Ø D (mm):   58.20
Seal Height H (mm):   9.0
Seal Wiper Outside Ø D1 (mm):   58.70
Seal Wiper Height H1 (mm):   5.7
Fork Inner Tube Ø d (mm):   48.0
$59.95
25 In Stock