Suspension Parts for 2001 YAMAHA YZ125 Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2001 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 2001 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

0.41

Stock Shock Spring Rate

4.6

Bike Type

MX

Ideal Rider Weight

75 kg

Engine Specifications

2 Stroke Engine 125 cc

FORKS INFO

Fork Manufacturer

: KYB USD 46 mm OD

Fork Dimensions

Compression Nut Torque: 48 in-lb (0.56 kgf-m)
Fork Travel: 280 mm

Fork Features

Twin Chamber Fork: No

Fork Oil

Fork Oil Weight: SAE 5
Fork Oil Level: 125 mm
Oil Quanity: 2 Litres

Fork Spring Information

Standard Preload: 8 mm

SHOCKS INFO

Shock Manufacturer

KYB: 46 mm ID

Shock Dimensions

Nitrogen Pressure: 142 psi
Shock Length (Eye to Eye): 485 mm
Shock Travel: 136 mm
Shock Shaft Outer Diameter: 16 mm
Standard Sag: 103 mm
Shaft Nut Torque: 25 ft-lbs (34 NM)
Shock Oil: 2.5 Weight
Standard Preload: 8

Shock Features

Non-rebuildable: No

Fitment-Matched Suspension Parts by Category

FORK COMPRESSION ADJUSTER ASSY

17 Parts

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FORK O-RINGS

11 Parts

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SHOCK SEAL CASE PARTS

14 Parts

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SHOCK SHAFT PARTS

16 Parts

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SHOCK BODY PARTS

13 Parts

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SUSPENSION LOCKNUTS & BUSHES

19 Parts

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TOOLS & LUBRICANTS

29 Parts

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All Fitment-Matched Suspension Parts

Browse All 130 Products for YAMAHA YZ125 2001

1mm Shock Lowering Stop Washer

Suspension Direct International (SDI)

1mm Shock Lowering Stop Washer

(SKU: 30-002-20)

$35.27
5 In Stock

Yamalink Lowering Link YZ 400F 426F 1999-2001 -35mm 5ET-2217A-00-00

Yamalink

Yamalink Lowering Link YZ 400F 426F 1999-2001 -35mm 5ET-2217A-00-00

Yamaha 1999-2001 YZ 250F/400F/426F
(SKU: 30-006-28)

Seat Height Change (mm): -35

$315.00
1 In Stock

Yamalink Lowering Link 1999-2001 YZ 125/250 -40mm

Yamalink

Yamalink Lowering Link 1999-2001 YZ 125/250 -40mm

Yamaha 1999-2001 YZ 125/250
(SKU: 30-006-39)

Seat Height Change (mm): -40

$259.00
1 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 - KX125/250/500/RM/WR250/450

All Balls

All Balls Rear Shock Seal Kit - KX125/250/500/RM/WR250/450

16 ID 46OD
(SKU: 37-1002)

Shock Bore Ø D (mm): 46.0

Shock Shaft Ø D (mm): 16.0

Height H (mm): 23.0

$95.00
2 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
21 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

Eibach EMS Moto Rear Shock Spring Kit 60.6/63.1 x 270 KYB 46 Yamaha YZ WR 125 250 426 450 (59_61-270 and 20-085)

Eibach Suspension Technology

Eibach EMS Moto Rear Shock Spring Kit 60.6/63.1 x 270 KYB 46 Yamaha YZ WR 125 250 426 450 (59_61-270 and 20-085)

Made in the USA (QS9000) or Germany (ISO16949)
(SKU: 892)

spring rate: 4.0 kg/mm

$249.94
2 In Stock

spring rate: 4.2 kg/mm

$249.94
1 In Stock

spring rate: 4.4 kg/mm

$249.94
1 In Stock

spring rate: 4.6 kg/mm

$249.94
1 In Stock

spring rate: 4.8 kg/mm

$249.94
1 In Stock

spring rate: 5.0 kg/mm

$249.94
1 In Stock

spring rate: 5.2 kg/mm

$249.94
2 In Stock

spring rate: 5.4 kg/mm

$249.94
1 In Stock

spring rate: 5.6 kg/mm

$249.94
1 In Stock

spring rate: 5.8 kg/mm

$249.94
2 In Stock

spring rate: 6.0 kg/mm

$249.94
1 In Stock

spring rate: 6.3 kg/mm

$249.94
3 In Stock

spring rate: 6.7 kg/mm

$249.94
1 In Stock

spring rate: 7.1 kg/mm

$249.94
2 In Stock

Fork Oil Level Tool

Techtool

Fork Oil Level Tool

Motorcycle Suspension Tools
(SKU: 93-002-00)

$39.93
17 In Stock

Shock Compression Socket - KYB early - Hi/Lo

Techtool

Shock Compression Socket - KYB early - Hi/Lo

Removes compression adjuster assembly from KYB Shocks
(SKU: 93-006-00)

$33.00
19 In Stock

Fork Bleeder Tool Set

Techtool

Fork Bleeder Tool Set

Motorcycle Suspension Tools
(SKU: 93-007-00)

$110.00
28 In Stock

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