Suspension Parts for 2008 YAMAHA YZ125 Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2008 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 2008 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

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 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 Length (Eye to Eye): 494 mm
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

Shock Features

Non-rebuildable: No

Fitment-Matched Suspension Parts by Category

FORK COMPRESSION ADJUSTER ASSY

36 Parts

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SHOCK BODY PARTS

19 Parts

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SUSPENSION LOCKNUTS & BUSHES

32 Parts

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TOOLS & LUBRICANTS

42 Parts

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All Fitment-Matched Suspension Parts

Browse All 237 Products for YAMAHA YZ125 2008

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

Colour: Grey-Orange

$440.00
Nil Stock

Colour: Grey-Black

$440.00

Colour: Red-Black

$440.00

Colour: Blue-Grey

$440.00

Colour: Blue-Orange

$440.00
1 In Stock

Colour: Blue-Gold

$440.00
3 In Stock

Colour: Grey-Blue

$440.00
1 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
2 In Stock

Krooztune KYB HIGH SPEED COMP PISTON

Krooztune

Krooztune KYB HIGH SPEED COMP PISTON

Proudly made in Australia
(SKU: KT-KYBHSCP)

$62.95
4 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
3 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
1499 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
750 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
7 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

SKF KYB Fork Seal Kit 48mm (Dual Comp)

SKF Sealing

SKF KYB Fork Seal Kit 48mm (Dual Comp)

Requires 2 kits for complete fork service.
(SKU: SKF-DUAL-48K)

Colour: Green/Orange

Seal Outer Ø D (mm): 58.42

Seal Height H (mm): 8.5

Seal Wiper Outside Ø D1 (mm): 58.70

Seal Wiper Height H1 (mm): 4.9

Fork Inner Tube Ø d (mm): 48.0

$69.95
31 In Stock

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