Suspension Parts for 2002 KTM 125 SX Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2002 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 2002 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 Fork Spring Rate

0.38

Stock Shock Spring Rate

PDS2 75-97

Bike Type

MX

Ideal Rider Weight

75 kg

Engine Specifications

2 Stroke Engine 125 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: 10 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 REBUILD KITS

1 Parts

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FORK SPRINGS
Ideal Fork Rate for kg: kg/mm ( N/mm)

1 Parts

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FORK SEALS & BUSHES

10 Parts

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FORK COMPRESSION ADJUSTER ASSY

1 Parts

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FORK UPPER & LOWER TUBE PARTS

1 Parts

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SHOCK UPGRADE PARTS

1 Parts

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

3 Parts

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SHOCK SPRING RETAINERS /BUMPERS

1 Parts

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SHOCK BLADDER PARTS

3 Parts

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SHOCK SEAL CASE PARTS

6 Parts

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SHOCK PISTON PARTS

1 Parts

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SUSPENSION LOCKNUTS & BUSHES

1 Parts

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TOOLS & LUBRICANTS

20 Parts

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All Fitment-Matched Suspension Parts

Browse All 48 Products for KTM 125 SX 2002

WP Shock Clevis Jam Nut Socket

Motion Pro

WP Shock Clevis Jam Nut Socket

Reaches the shaft jam nut in WP
(SKU: 08-0730)

$79.75
3 In Stock

Motion Pro WP Shock Reservoir 2 Pin Socket

Motion Pro

Motion Pro WP Shock Reservoir 2 Pin Socket

For all WP Shocks with 2 pin reservoir
(SKU: 08-080612)

$60.50
3 In Stock

Fork Tubes NOK Oil Seals Pair - 48mm WP

Kayaba (KYB) Genuine Motorcycle Parts

Fork Tubes NOK Oil Seals Pair - 48mm WP

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 110010000302)

$51.19
66 In Stock

Fork Tubes NOK Dust Wipers Pair - 48mm WP

Kayaba (KYB) Genuine Motorcycle Parts

Fork Tubes NOK Dust Wipers Pair - 48mm WP

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 110020000202)

$49.79
43 In Stock

Kayaba (KYB) Genuine Parts Front Fork Piston Metal (Pair) 48mm KYB - WP

Kayaba (KYB) Genuine Motorcycle Parts

Kayaba (KYB) Genuine Parts Front Fork Piston Metal (Pair) 48mm KYB - WP

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 110034800102)

Inside Diameter d (mm): 46.5

Fork Inner Tube Ø d (mm): 48.0

Height H (mm): 20.0

Outside Ø D (mm): 48.5

Wall Thickness (mm): 1.0

$42.78
43 In Stock

Kayaba (KYB) Genuine Parts Front Fork Slide Metal (Pair) 48mm WP

Kayaba (KYB) Genuine Motorcycle Parts

Kayaba (KYB) Genuine Parts Front Fork Slide Metal (Pair) 48mm WP

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 110044800102)

Inside Diameter d (mm): 48.0

Fork Inner Tube Ø d (mm): 48.0

Height H (mm): 12.0

Outside Ø D (mm): 52.0

Wall Thickness (mm): 2.0

$50.26
31 In Stock

Kayaba (KYB) Genuine Parts Front Fork Service Kit WP 48mm

Kayaba (KYB) Genuine Motorcycle Parts

Kayaba (KYB) Genuine Parts Front Fork Service Kit WP 48mm

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 119994807001)

Fork Inner Tube Ø d (mm): 48.0

$175.32
31 In Stock

Kayaba (KYB) Genuine Parts KYB Grease 5ml strip of 5pcs

Kayaba (KYB) Genuine Motorcycle Parts

Kayaba (KYB) Genuine Parts KYB Grease 5ml strip of 5pcs

Original KYB Suspension Lubricants
(SKU: 130060050105)

$31.56
37 In Stock

Kayaba (KYB) Genuine Parts KYB Grease 250ml

Kayaba (KYB) Genuine Motorcycle Parts

Kayaba (KYB) Genuine Parts KYB Grease 250ml

Original KYB Suspension Lubricants
(SKU: 130062500101)

$58.44
6 In Stock

HiCalibre Fork Springs 38.1 x 510 KTM EXC 43mm WP USD

HiCalibre

HiCalibre Fork Springs 38.1 x 510 KTM EXC 43mm WP USD

Proudly made in the USA
(SKU: 19-130)

Spring Rate: 0.36 kg/mm

$245.00
Special Order

Spring Rate: 0.38 kg/mm

$245.00
Special Order

Spring Rate: 0.40 kg/mm

$245.00
Special Order

Spring Rate: 0.42 kg/mm

$245.00
4 In Stock

Spring Rate: 0.44 kg/mm

$245.00
2 In Stock

Spring Rate: 0.46 kg/mm

$245.00
Special Order

Spring Rate: 0.48 kg/mm

$245.00
1 In Stock

Spring Rate: 0.50 kg/mm

$245.00
2 In Stock

Spring Rate: 0.52 kg/mm

$245.00
Special Order

Spring Rate: 0.54 kg/mm

$245.00
2 In Stock

Spring Rate: 0.56 kg/mm

$295.00
12 In Stock

Spring Rate: 0.60 kg/mm

$295.00
2 In Stock

Spring Rate: 0.58 kg/mm

$295.00
9 In Stock

Spring Rate: 0.70 kg/mm

$295.00
Special Order

Spring Rate: 0.80 kg/mm

$295.00
5 In Stock

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