Suspension Parts for 2026 YAMAHA YZ125 Motorbikes | Guaranteed Fitment

US customers; Orders are being processed manually due to tariff restrictions. Please email sales@teknikmotorsport.com to place an order.

Discover suspension parts guaranteed to fit the 2026 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 2026 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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SHOCK UPGRADE PARTS

11 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 155 Products for YAMAHA YZ125 2026

Enzo Technica Works Fork Spring Tubes

Enzo Racing

Enzo Technica Works Fork Spring Tubes

(SKU: ER-TFST)

Cartridge ID (mm): 24

$495.00
4 In Stock

Cartridge ID (mm): 25

$495.00
5 In Stock

Enzo Technica Rear Compression Adjuster Long

Enzo Racing

Enzo Technica Rear Compression Adjuster Long

For Kayaba Shock Long type
(SKU: ER-TRCA-L)

$363.00
2 In Stock

Enzo Racing KYB AOS Front Fork Cap Compression Adjuster Assembly

Enzo Racing

Enzo Racing KYB AOS Front Fork Cap Compression Adjuster Assembly

(SKU: ERFFCA)

Colour: Black-Blue

$440.00
4 In Stock

Colour: Grey-Orange

$440.00
Nil Stock

Colour: Grey-Black

$440.00
2 In Stock

Colour: Red-Black

$440.00
4 In Stock

Colour: Blue-Grey

$440.00
4 In Stock

Colour: Blue-Orange

$440.00
1 In Stock

Colour: Blue-Gold

$440.00
7 In Stock

Colour: Grey-Blue

$440.00
5 In Stock

Colour: Red-Grey

$440.00
Special Order

48mm KYB SKF Mud Scraper

SKF Sealing

48mm KYB SKF Mud Scraper

Removable Scraper
(SKU: KIT-MS48KM)

$55.00
1 In Stock

Krooztune KYB 29mm SSS Fork Cartridge Mid-Post Float Tuning Kit

Krooztune

Krooztune KYB 29mm SSS Fork Cartridge Mid-Post Float Tuning Kit

Proudly made in Australia
(SKU: KT-KYBMPKF)

$159.95
2 In Stock

Krooztune 2022-on YZ 125/250 2-Stroke Rear Lowering Link - 20mm

Krooztune

Krooztune 2022-on YZ 125/250 2-Stroke Rear Lowering Link - 20mm

Proudly made in Australia
(SKU: KT-YAMLLA-2S)

$264.95
1 In Stock

48mm KYB Fork Seal and Dust Wiper Set 2pc set , Hi performance seal

Capelli Race

48mm KYB Fork Seal and Dust Wiper Set 2pc set , Hi performance seal

one oil seal and one dust seal, buy 2 sets for one bike
(SKU: KYB48Capset)

Oil Seal Inside Diameter d (mm): 48.0

Oil Seal Outside Ø D1 (mm): 58.7

Oil Seal Height H (mm): 4.9

Dust Wiper Inside Diameter d (mm): 48.0

Dust Wiper Outside Ø D1 (mm): 58.2

Dust Wiper Height H (mm): 9.5

$49.95
1434 In Stock

48mm KYB Fork Seal Set 2pc set , Hi performance seal

Capelli Race

48mm KYB Fork Seal Set 2pc set , Hi performance seal

one pair of oil seals only, for one bike
(SKU: KYB48sealset)

Oil Seal Inside Diameter d (mm): 48.0

Oil Seal Outside Ø D1 (mm): 58.7

Oil Seal Height H (mm): 4.9

$49.95
718 In Stock

RCU PISTON BUSH 46.00x11.50x1.20mm KAYABA

K-Tech

RCU PISTON BUSH 46.00x11.50x1.20mm KAYABA

(SKU: PB-46115120)

Height H (mm): 11.50

Outside Ø D (mm): 46.0

Wall Thickness (mm): 1.20

$36.95
2 In Stock

SKF KYB Shock Seal Case Assembly 46 x 18 x 20

SKF Sealing

SKF KYB Shock Seal Case Assembly 46 x 18 x 20

46mm od x 18mm id x 20mm tall - KYB
(SKU: SH2-KYB1846)

Shock Bore Ø D (mm): 46.0

Shock Shaft Ø D (mm): 18.0

Height H (mm): 20.0

$79.95
4 In Stock

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