Suspension Parts for 2017 KTM 125 SX Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2017 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 2017 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

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 Shock Spring Rate

39 N/mm

Bike Type

MX

Ideal Rider Weight

80 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: 295 mm

Fork Features

Twin Chamber Fork: Yes

Fork Oil

Fork Oil Weight: SAE 4
Fork Oil Level: 380cc Cartridge. 200cc in each outer. 180/240 min/max mm
Oil Quanity: 2 Litres required for job

Fork Comments

: Red adjuter right rebound side. Stock Orange seals produce drag after a few hours use.

SHOCKS INFO

Shock Manufacturer

WP: 50 mm ID

Shock Dimensions

Nitrogen Pressure: 150 psi
Shock Travel: 110 mm
Shock Shaft Outer Diameter: 18 mm
Standard Sag: 105-115 mm
Shaft Nut Torque: 25 ft-lbs (34 NM)
Shock Oil: 5 Weight
Standard Preload: 6

Shock Features

Non-rebuildable: No

Shock Spring Information

Spring Rate - Claimed: 39 N/mm kg/mm

Shock Comments

: Spring rates from WP official

Fitment-Matched Suspension Parts by Category

CHASSIS PARTS

19 Parts

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FORK REBUILD KITS

6 Parts

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FORK UPGRADE PARTS

8 Parts

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FORK SEALS & BUSHES

14 Parts

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SHOCK UPGRADE PARTS

7 Parts

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SHOCK SEAL CASE PARTS

7 Parts

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TOOLS & LUBRICANTS

24 Parts

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All Fitment-Matched Suspension Parts

Browse All 97 Products for KTM 125 SX 2017

48mm WP Fork Seal 2pc set (Low Friction)

Capelli Race

48mm WP Fork Seal 2pc set (Low Friction)

(SKU: FS48579.511.52S.SET)

$49.95
750 In Stock

48mm WP Fork Seal and Dust Wiper Set 4pc set (Low Friction)

Capelli Race

48mm WP Fork Seal and Dust Wiper Set 4pc set (Low Friction)

(SKU: FS48579.511.52SET)

$99.90
750 In Stock

48mm WP Fork Seal and Dust Wiper Set 2pc set (Low Friction)

Capelli Race

48mm WP Fork Seal and Dust Wiper Set 2pc set (Low Friction)

(SKU: FS48579.511.52SL)

$49.95
1501 In Stock

48mm WP SKF Mud Scraper

SKF Sealing

48mm WP SKF Mud Scraper

Removable Scraper
(SKU: KIT-MS48WP)

$55.00
1 In Stock

Koubalink Lowering Link KTM SX SXF Husqvarna FC TC FE TE

KoubaLink

Koubalink Lowering Link KTM SX SXF Husqvarna FC TC FE TE

Enhanced Control with Expert Engineering
(SKU: KOUBALINK-KTM11-2011)

Colour: Black
Seat Height Change (mm): -6 to -32

$270.00
2 In Stock

Colour: Red
Seat Height Change (mm): -25

$295.00
1 In Stock

Colour: Orange
Seat Height Change (mm): -25

$295.00
2 In Stock

Colour: Blue
Seat Height Change (mm): -25

$295.00
1 In Stock

Colour: Black
Seat Height Change (mm): -25

$295.00
2 In Stock

Krooztune WP 50mm Fork Cap Spanner 48 AER Xplor Xact

Krooztune

Krooztune WP 50mm Fork Cap Spanner 48 AER Xplor Xact

Proudly made in Australia
(SKU: KT-WP50CS)

$25.00
7 In Stock

Krooztune WP AER48 Complete Midvalve Float Post Assembly

Krooztune

Krooztune WP AER48 Complete Midvalve Float Post Assembly

Proudly made in Australia
(SKU: KT-WPAER48CMFP)

$309.95
2 In Stock

Krooztune WP Air Fork Setup Kit- AER48

Krooztune

Krooztune WP Air Fork Setup Kit- AER48

Proudly made in Australia
(SKU: KT-WPAERFSK)

$419.95
2 In Stock

Krooztune WP 48mm AER Air Fork to SFF Coil Spring Conversion Kit - with Optional Spring - KTM / Husqvarna (All) 2016-2020 and Long TX/FX 2021-on

Krooztune

Krooztune WP 48mm AER Air Fork to SFF Coil Spring Conversion Kit - with Optional Spring - KTM / Husqvarna (All) 2016-2020 and Long TX/FX 2021-on

Proudly made in Australia
(SKU: KT-WPATS48)

$529.95
7 In Stock

Krooztune WP XAct Shock Nitrogen Gas Bladder Conversion Kit - 2016-2022 Linkage Rear Shocks

Krooztune

Krooztune WP XAct Shock Nitrogen Gas Bladder Conversion Kit - 2016-2022 Linkage Rear Shocks

Proudly made in Australia
(SKU: KT-WPGAS-XACT)

Colour: Bronze/Black

$199.95
10 In Stock

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