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

Shock Bushing Driver Set

Techtool

Shock Bushing Driver Set

(SKU: 93-118-00)

$33.00
8 In Stock

Eibach EMS Moto Front Fork Spring Kit. 43.6 x 472 48 KYB USD YZ YZF FX KX KXF (43.8-470)

Eibach Suspension Technology

Eibach EMS Moto Front Fork Spring Kit. 43.6 x 472 48 KYB USD YZ YZF FX KX KXF (43.8-470)

Made in the USA (QS9000) or Germany (ISO16949)
(SKU: 971)

spring rate: 0.41 kg/mm

$249.94
2 In Stock

spring rate: 0.43 kg/mm

$249.94
1 In Stock

spring rate: 0.45 kg/mm

$249.94
1 In Stock

spring rate: 0.49 kg/mm

$249.94
5 In Stock

spring rate: 0.47 kg/mm

$249.94
3 In Stock

spring rate: 0.51 kg/mm

$249.94
2 In Stock

spring rate: 0.53 kg/mm

$249.94
1 In Stock

spring rate: 0.55 kg/mm

$249.94
Nil Stock

DRC FORK SEAL DRIVER SET | UNIVERSAL | 40-50mm

DRC Zeta Hardware

DRC FORK SEAL DRIVER SET | UNIVERSAL | 40-50mm

DRC Fork Seal Driver Tool Set
(SKU: D59-26-005)

$139.99
5 In Stock

DRC FORK CAP WRENCH PRO | WP | 50mm ORANGE

Enzo Racing

DRC FORK CAP WRENCH PRO | WP | 50mm ORANGE

Developed by Enzo Racing
(SKU: D59-37-172)

$45.00
9 In Stock

DRC ENZO | Fork Base Valve Wrench Jig | WP AER | Silver

Enzo Racing

DRC ENZO | Fork Base Valve Wrench Jig | WP AER | Silver

Developed by Enzo Racing
(SKU: ED59-37-205)

$66.00
7 In Stock

DRC ENZO | Fork Bracket Holder | 20/22/25/26/27mm Axle Sizes

Enzo Racing

DRC ENZO | Fork Bracket Holder | 20/22/25/26/27mm Axle Sizes

Co-developed product with Enzo Racing
(SKU: ED59-37-240)

$65.00
12 In Stock

DRC ENZO | Fork Outer Clamp/Holder | Quick Release

Enzo Racing

DRC ENZO | Fork Outer Clamp/Holder | Quick Release

Developed by Enzo Racing
(SKU: ED59-37-260)

$185.00
3 In Stock

DRC ENZO | Fork Cap Spinner | WP

DRC Zeta Hardware

DRC ENZO | Fork Cap Spinner | WP

(SKU: ED59-37-320)

$43.00
5 In Stock

Showa Genuine Parts Packing / 12mm shaft / blue

Showa Genuine Parts

Showa Genuine Parts Packing / 12mm shaft / blue

Showa Genuine Motorcycle Suspension Parts
(SKU: F34512001)

Inside Diameter d (mm): 12.0

Height H (mm): 3.5

Outside Ø D (mm): 17.0

$24.00
30 In Stock

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

Capelli Race

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

(SKU: FS48579.511.52DW.SET)

$49.95
919 In Stock

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