Suspension Parts for 1998 KTM 125 EXC Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 1998 KTM 125 EXC. 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 1998 KTM 125 EXC.

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

7.6

Bike Type

OFFROAD

Ideal Rider Weight

75 kg

Engine Specifications

2 Stroke Engine 125 cc

FORKS INFO

Fork Manufacturer

: Marzocchi Conventional 45 mm OD

Fork Features

Twin Chamber Fork: No

Fork Oil

Fork Oil Weight: SAE 7.5
Fork Oil Level: 120 mm
Oil Quanity: 2 Litres

Fork Spring Information

Standard Preload: 10 mm

Fork Comments

: Valving Teknik Only. Requires brazing. Compression leg:20w at 140mm. Rebound leg:10w at 160mm

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

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

9 Parts

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All Fitment-Matched Suspension Parts

Browse All 24 Products for KTM 125 EXC 1998

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
4 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

HiCalibre Fork Springs 38.8 x 505 Eibach 975 Common Fitment Honda XR650R

HiCalibre

HiCalibre Fork Springs 38.8 x 505 Eibach 975 Common Fitment Honda XR650R

Proudly made in the USA
(SKU: 19-140)

spring rate: 0.44 kg/mm

$245.00
Special Order

spring rate: 0.46 kg/mm

$245.00
3 In Stock

spring rate: 0.47 kg/mm

$245.00
Special Order

spring rate: 0.48 kg/mm

$245.00
2 In Stock

spring rate: 0.49 kg/mm

$245.00
Special Order

spring rate: 0.50 kg/mm

$245.00
1 In Stock

spring rate: 0.52 kg/mm

$245.00
2 In Stock

spring rate: 0.54 kg/mm

$245.00
1 In Stock

spring rate: 0.42 kg/mm

$245.00
Special Order

spring rate: 0.56 kg/mm

$295.00
5 In Stock

HiCalibre Shock Spring 63 x 260 (Eibach 896) Common Fitment KTM PDS 1998-2016

HiCalibre

HiCalibre Shock Spring 63 x 260 (Eibach 896) Common Fitment KTM PDS 1998-2016

Proudly made in the USA
(SKU: 20-095)

Colour: Black or White
spring rate: 6.0-8.0 Kg/mm Progressive

$245.00
Special Order

Colour: Black or White
spring rate: 8.0-10.0 kg/mm Progressive

$245.00
1 In Stock

Colour: Black or White
spring rate: 9.5-12.5 kg/mm Progressive

$245.00
Special Order

Colour: Black or White
spring rate: 10.0-13.0 kg/mm Progressive

$245.00
4 In Stock

Colour: Black or White
spring rate: 6.6-8.6 kg/mm Progressive

$245.00
Special Order

Colour: Black or White
spring rate: 7.0-9.0 kg/mm Progressive

$245.00
Special Order

Colour: Black or White
spring rate: 7.6-9.6 kg/mm Progressive

$245.00
1 In Stock

Colour: Orange
spring rate: 6.4-7.8 kg/mm Progressive

$245.00
Special Order

Colour: Black or White
spring rate: 6.6-8.3 kg/mm Progressive

$245.00
Nil Stock

Colour: Black or White
spring rate: 6.9-8.8 kg/mm Progressive

$219.00
Nil Stock

Colour: Black or White
spring rate: 7.2-9.4 kg/mm Progressive

$219.00
Nil Stock

Colour: Black or White
spring rate: 7.5-10.0 kg/mm Progressive

$219.00
Nil Stock

Colour: Black or White
spring rate: 7.9-10.5 kg/mm Progressive

$219.00
Nil Stock

Colour: Black or White
spring rate: 8.3-11.0 kg/mm Progressive

$219.00
Nil Stock

Colour: Black or White
spring rate: 8.6-11.4 kg/mm Progressive

$245.00
Special Order

Colour: Black or White
spring rate: 9.0-11.8 kg/mm Progressive

$245.00
Special Order

Colour: Black or White
spring rate: 10.0 kg/mm

$245.00
Special Order

Colour: Orange
spring rate: 3.4 kg/mm

$245.00
Special Order

Colour: Orange
spring rate: 3.6 kg/mm

$245.00
Special Order

Colour: Orange
spring rate: 3.8 kg/mm

$245.00
Special Order

Colour: Orange
spring rate: 4.0 kg/mm

$245.00
Special Order

Colour: Orange
spring rate: 4.2 kg/mm

$245.00
Special Order

Colour: Orange
spring rate: 4.4 kg/mm

$245.00
Special Order

Colour: Orange
spring rate: 4.6 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 4.8 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 5.0 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 5.2 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 5.4 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 5.6 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 5.8 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 6.0 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 6.2 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 6.4 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 6.6 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 6.8 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 7.0 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 7.2 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 7.4 kg/mm

$245.00
1 In Stock

Colour: Black or White
spring rate: 7.6 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 7.8 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 8.0 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 8.2 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 8.4 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 8.6 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 8.8 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 9.0 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 9.2 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 9.4 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 9.6 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 9.8 kg/mm

$245.00
Special Order

Colour: Black or White
spring rate: 3.6 kg/mm

$295.00
3 In Stock

Colour: Black or White
spring rate: 3.8 kg/mm

$295.00
1 In Stock

Colour: Black or White
spring rate: 3.4 kg/mm

$295.00
Special Order

Colour: Orange
spring rate: 7.0-9.0 kg/mm Progressive

$245.00
Special Order

Teflon Shaft Bushing - 18 x 20 x 12

Teknik Motorsport

Teflon Shaft Bushing - 18 x 20 x 12

18mm id x 20mm od x 12mm Length
(SKU: 22-080-01)

$2.75
122 In Stock

Bump Stop Rubber 18 x 45 x 40 (WP 50180276)

Teknik Motorsport

Bump Stop Rubber 18 x 45 x 40 (WP 50180276)

18mm id x 45mm od x 40mm tall - WP
(SKU: 22-288-00)

Height H (mm): 40.0

Outside Ø D (mm): 45.0

$22.00
401 In Stock

Shock Oil Seal Quad Ring 18 x 2.62 Suits Ohlins and WP

Capelli Race

Shock Oil Seal Quad Ring 18 x 2.62 Suits Ohlins and WP

18mm id x 2.62mm thick - Quad Ring
(SKU: 22-402-00)

$18.98
32 In Stock

WP Wiper 18 x 35 x 7 (50180082)

WP Genuine Parts

WP Wiper 18 x 35 x 7 (50180082)

18mm id x 35mm od x 7mm thick - WP
(SKU: 22-423-00)

$55.00
2 In Stock

Nitrogen Shock Filling Valve M5

Teknik Motorsport

Nitrogen Shock Filling Valve M5

Standard M5 0.8mm thread - WP replacement
(SKU: 22-600-00)

$20.00
95 In Stock

WP Regas Valve (M5x0.8 Schrader)

Teknik Motorsport

WP Regas Valve (M5x0.8 Schrader)

Suits WP Shocks
(SKU: 22-600-09)

$30.80
669 In Stock

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