Suspension Parts for 2023 YAMAHA YZ125 Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2023 YAMAHA YZ125. 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 2023 YAMAHA YZ125.

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

0.4

Bike Type

MX

Ideal Rider Weight

75 kg

Engine Specifications

2 Stroke Engine 125 cc

FORKS INFO

Fork Manufacturer

: KYB USD 48 mm OD

Fork Dimensions

Compression Nut Torque: 48 in-lb (0.56 kgf-m)
Fork Travel: 300 mm

Fork Features

Twin Chamber Fork: Yes

Fork Oil

Fork Oil Weight: SAE 2.5
Fork Oil Level: 350cc mm
Oil Quanity: 2 Litres

Fork Spring Information

Standard Preload: 8 mm

Fork Comments

: Check floating piston for cracking

SHOCKS INFO

Shock Manufacturer

KYB: 46 mm ID

Shock Dimensions

Nitrogen Pressure: 142 psi
Shock Shaft Outer Diameter: 18 mm
Standard Sag: 103 mm
Shaft Nut Torque: 25 ft-lbs (34 NM)
Shock Oil: 2.5 Weight
Standard Preload: 24
Wheel Travel: 315 mm

Shock Features

Non-rebuildable: No

Fitment-Matched Suspension Parts by Category

FORK UPGRADE PARTS

17 Parts

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FORK SEALS & BUSHES

18 Parts

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FORK COMPRESSION ADJUSTER ASSY

9 Parts

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SHOCK UPGRADE PARTS

11 Parts

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SHOCK SEAL CASE PARTS

9 Parts

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SHOCK BODY PARTS

9 Parts

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SUSPENSION LOCKNUTS & BUSHES

12 Parts

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TOOLS & LUBRICANTS

42 Parts

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All Fitment-Matched Suspension Parts

Browse All 156 Products for YAMAHA YZ125 2023

10mm Fork Preload Spacers SDEFSP10

Suspension Direct International (SDI)

10mm Fork Preload Spacers SDEFSP10

10.0mm PAIR
(SKU: 30-004-16)

$10.00
9 In Stock

Front Fork Preload Spacers (2.5mm) All KYB/Showa with 24mm cartridge rod forks. Sold in a set of 2 SDEFSP24-25

Suspension Direct International (SDI)

Front Fork Preload Spacers (2.5mm) All KYB/Showa with 24mm cartridge rod forks. Sold in a set of 2 SDEFSP24-25

2.5mm PAIR
(SKU: 30-004-18)

$27.50
31 In Stock

Spring Perch Kit - 24mm TCV KYB 48mm MX SDETCV24-MX-Set

Suspension Direct International (SDI)

Spring Perch Kit - 24mm TCV KYB 48mm MX SDETCV24-MX-Set

YZF YZ 125/250/250F/450F 08-12 CRF450R 07-12 KX450F
(SKU: 30-004-37)

$220.00
1 In Stock

Yamalink Lowering Link 2006 on YZ125 -15mm

Yamalink

Yamalink Lowering Link 2006 on YZ125 -15mm

Yamaha 2006 on YZ125
(SKU: 30-006-56)

Seat Height Change (mm): -15

$259.00
5 In Stock

Teknik Schrader Valve Cap

Teknik Schrader Valve Cap

(SKU: 30-652-00)

$3.99
669 In Stock

All Balls Rear Shock Seal Kit - YZ125/250 06-07/YZF250 06-07

All Balls

All Balls Rear Shock Seal Kit - YZ125/250 06-07/YZF250 06-07

18 ID 46 OD
(SKU: 37-1117)

Shock Bore Ø D (mm): 46.0

Shock Shaft Ø D (mm): 18.0

Height H (mm): 22.0

$95.00
2 In Stock

Xtrig Triple Clamps Rocs Tech YZ125 15-24

XTRIG

Xtrig Triple Clamps Rocs Tech YZ125 15-24

Standard offset of the manufacturer.
(SKU: 40201011)

Colour: Blue

Offset (mm): 25

$845.00
1 In Stock

Xtrig Triple Clamps Rocs Tech YZ125 15-24

XTRIG

Xtrig Triple Clamps Rocs Tech YZ125 15-24

(SKU: 40201022)

Colour: Lilac (Purple)

Offset (mm): 25

$845.00
1 In Stock

Teknik Fork Springs 43.5 x 497 (Eibach 963)

Teknik Moto Springs

Teknik Fork Springs 43.5 x 497 (Eibach 963)

Made in The Netherlands to ISO 9001
(SKU: 43.5-497)

spring rate: 4.0 N/mm

$235.00
2 In Stock

spring rate: 4.2 N/mm

$235.00
Nil Stock

spring rate: 4.4 N/mm

$235.00
24 In Stock

spring rate: 4.6 N/mm

$235.00
Nil Stock

spring rate: 4.8 N/mm

$235.00
17 In Stock

spring rate: 5.0 N/mm

$235.00
18 In Stock

spring rate: 5.2 N/mm

$235.00
19 In Stock

spring rate: 3.8 N/mm

$235.00
2 In Stock

spring rate: 5.4 N/mm

$235.00
Nil Stock

spring rate: 5.6 N/mm

$235.00
6 In Stock

Teknik Shock Spring 59/61 x 270

Teknik Moto Springs

Teknik Shock Spring 59/61 x 270

Made in The Netherlands to ISO 9001
(SKU: 59_61-270)

Colour: White
spring rate: 44.0 N/mm

$235.00
21 In Stock

Colour: White
spring rate: 46.0 N/mm

$235.00
Nil Stock

Colour: White
spring rate: 48.0 N/mm

$235.00
4 In Stock

Colour: White
spring rate: 50.0 N/mm

$235.00
22 In Stock

Colour: White
spring rate: 52.0 N/mm

$235.00
23 In Stock

Colour: White
spring rate: 54.0 N/mm

$235.00
20 In Stock

Colour: White
spring rate: 56.0 N/mm

$235.00
3 In Stock

Colour: White
spring rate: 58.0 N/mm

$235.00
20 In Stock

Colour: White
spring rate: 60.0 N/mm

$235.00
53 In Stock

Colour: White
spring rate: 62.0 N/mm

$235.00
47 In Stock

Colour: White
spring rate: 42.0 N/mm

$235.00
22 In Stock

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