Suspension Parts for 1990 KAWASAKI KX125 Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 1990 KAWASAKI KX125. 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 1990 KAWASAKI KX125.

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

0.356

Stock Shock Spring Rate

4.8

Bike Type

MX

Ideal Rider Weight

75 kg

Engine Specifications

2 Stroke Engine 125 cc

FORKS INFO

Fork Manufacturer

: KYB USD 41 mm OD

Fork Dimensions

Compression Nut Torque: 48 in-lb (0.56 kgf-m)

Fork Features

Twin Chamber Fork: No

Fork Oil

Fork Oil Weight: SAE 5
Fork Oil Level: 95 mm
Oil Quanity: 2 Litres

Fork Spring Information

Spring Rate – Claimed: 0.37
Standard Preload: 10 mm

Fork Comments

: Oil level set with the gap between the inner and outer fork tube empty.

SHOCKS INFO

Shock Manufacturer

KYB: 44 mm ID

Shock Dimensions

Nitrogen Pressure: 142 psi
Shock Length (Eye to Eye): 448 mm
Shock Travel: 133 mm
Shock Shaft Outer Diameter: 16 mm
Standard Sag: 95 mm
Shaft Nut Torque: 25 ft-lbs (34 NM)
Shock Oil: 2.5 Weight
Standard Preload: 14

Shock Spring Information

Spring Rate - Claimed: 4.8 kg/mm

Fitment-Matched Suspension Parts by Category

FORK SEALS & BUSHES

7 Parts

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TOOLS & LUBRICANTS

17 Parts

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All Fitment-Matched Suspension Parts

Browse All 40 Products for KAWASAKI KX125 1990

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
11 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
14 In Stock

Shock Bushing Driver Set

Techtool

Shock Bushing Driver Set

(SKU: 93-118-00)

$33.00
1 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)

$177.09
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
11 In Stock

SKF 41mm KYB Fork Seal and Wiper Set

SKF Sealing

SKF 41mm KYB Fork Seal and Wiper Set

Requires 2 kits for complete fork service.
(SKU: SKF41K)

From $59.95

Colour: Green

$59.95
25 In Stock

Colour: Black

$59.95
34 In Stock

Kayaba (KYB) Genuine Parts Front Fork KYB Oil 01M 1L

Kayaba (KYB) Genuine Motorcycle Parts

Kayaba (KYB) Genuine Parts Front Fork KYB Oil 01M 1L

Original KYB Suspension Lubricants
(SKU: 130010010101)

Pack Size: 1 L Pack

$47.29
Special Order

Kayaba (KYB) Genuine Parts Front Fork KYB Oil 01M 5L

Kayaba (KYB) Genuine Motorcycle Parts

Kayaba (KYB) Genuine Parts Front Fork KYB Oil 01M 5L

Original KYB Suspension Lubricants
(SKU: 130010050101)

Pack Size: 5 L Bottle

$218.48
Nil Stock

Kayaba (KYB) Genuine Parts Front Fork KYB Oil 01M 200L

Kayaba (KYB) Genuine Motorcycle Parts

Kayaba (KYB) Genuine Parts Front Fork KYB Oil 01M 200L

Original KYB Suspension Lubricants
(SKU: 130012000101)

Pack Size: 200 L Drum

$6,250.20
Special Order

DRC SHOCK SEAL HEAD INSERT KIT | KYB/SHOWA | INNER 12mm / OUTER 14/16/18mm

DRC Zeta Hardware

DRC SHOCK SEAL HEAD INSERT KIT | KYB/SHOWA | INNER 12mm / OUTER 14/16/18mm

Shock seal Bullet set -14x12 16x12 18x12
(SKU: D59-37-135)

$49.50
Nil Stock

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