Suspension Parts for 2001 KTM 520 SX Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2001 KTM 520 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 2001 KTM 520 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 Fork Spring Rate

0.42

Stock Shock Spring Rate

PDS3 80-103

Bike Type

MX

Ideal Rider Weight

75 kg

Engine Specifications

4 Stroke Engine 520 cc

FORKS INFO

Fork Manufacturer

: WP USD 43 mm OD

Fork Dimensions

Compression Nut Torque: 25 in-lb (0.29 kgf-m)

Fork Features

Twin Chamber Fork: No

Fork Oil

Fork Oil Weight: SAE 5
Fork Oil Level: 120 mm
Oil Quanity: 2 Litres

Fork Spring Information

Standard Preload: 15 mm

Fork Comments

: Check rebound adjuster needles. Bead blast. Replace O rings. Check Mid Valve shims often bent.

SHOCKS INFO

Shock Manufacturer

WP: 50 mm ID

Shock Dimensions

Nitrogen Pressure: 150 psi
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

Fitment-Matched Suspension Parts by Category

FORK SEALS & BUSHES

6 Parts

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SHOCK SPRINGS
Ideal Spring Rate for kg: kg/mm ( N/mm)

3 Parts

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SHOCK BLADDER PARTS

3 Parts

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SHOCK SEAL CASE PARTS

6 Parts

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TOOLS & LUBRICANTS

16 Parts

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All Fitment-Matched Suspension Parts

Browse All 39 Products for KTM 520 SX 2001

24mm WP Pds Shock Shaft Jam Nut Tool

Teknik Tools

24mm WP Pds Shock Shaft Jam Nut Tool

Motorcycle Suspension Tools
(SKU: 93-030-00)

$66.00
30 In Stock

Shock Seal Head Bullet 5Pc Kit

Techtool

Shock Seal Head Bullet 5Pc Kit

Shock Seal Head Bullet 5pc Kit
(SKU: 93-031-00)

$76.95
18 In Stock

Techtool Fork Tube Tool & Cartridge Rod Holding Plate

Techtool

Techtool Fork Tube Tool & Cartridge Rod Holding Plate

For KYB, Showa & WP Twin or Open Chamber Forks
(SKU: 93-032-00)

$220.00
18 In Stock

WP Reservoir Removal Tool - 2 Pin Type

Techtool

WP Reservoir Removal Tool - 2 Pin Type

Fits many WP Shocks from 1984 on
(SKU: 93-046-00)

$55.00
16 In Stock

Shock Bushing Driver Set

Techtool

Shock Bushing Driver Set

(SKU: 93-118-00)

$33.00
8 In 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 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

RCU PISTON BUSH 50.00x08.00x1.00mm WP PDS

K-Tech

RCU PISTON BUSH 50.00x08.00x1.00mm WP PDS

(SKU: PB-500810)

Height H (mm): 8.0

Outside Ø D (mm): 40.0

Wall Thickness (mm): 1.00

$54.95
7 In Stock

SKF WP PDS Shock Seal Case Assembly 50 x 18 x 15

SKF Sealing

SKF WP PDS Shock Seal Case Assembly 50 x 18 x 15

50mm od x 18mm id x 15mm tall - WP PDS Non-Link
(SKU: SH2-WP1850P)

Shock Bore Ø D (mm): 50.0

Shock Shaft Ø D (mm): 18.0

Height H (mm): 15.0

$87.95
5 In Stock

SKF WP Fork Seal Kit 43mm (Dual Comp)

SKF Sealing

SKF WP Fork Seal Kit 43mm (Dual Comp)

Requires 2 kits for complete fork service.
(SKU: SKF-DUAL-43W)

Colour: Green/Orange

Seal Outer Ø D (mm): 53.20

Seal Height H (mm): 9.5

Seal Wiper Outside Ø D1 (mm): 53.70

Seal Wiper Height H1 (mm): 5.8

Fork Inner Tube Ø d (mm): 43.0

$69.95
22 In Stock

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