Suspension Parts for 1999 SUZUKI RM125 Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 1999 SUZUKI RM125. 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 1999 SUZUKI RM125.

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

4.7/6.1

Bike Type

MX

Ideal Rider Weight

75 kg

Engine Specifications

2 Stroke Engine 125 cc

FORKS INFO

Fork Manufacturer

Fork Type: Showa USD 49 mm OD

Fork Dimensions

Compression Nut Torque: 25 in-lb (0.29 kgf-m)
Fork Travel: 305 mm

Fork Features

Twin Chamber Fork: Yes

Fork Oil

Fork Oil Weight: SAE 5
Oil Quanity: 285 cc

Fork Spring Information

Spring Rate – Claimed: 0.4
Standard Preload: 8 mm

SHOCKS INFO

Shock Manufacturer

Shock Type: Showa 50 mm ID

Shock Dimensions

Nitrogen Pressure: 175 psi
Shock Length (Eye to Eye): 446 mm
Shock Travel: 133 mm
Shock Shaft Outer Diameter: 16 mm
Standard Sag: 100 mm
Shaft Nut Torque: 25 ft-lbs (34 NM)
Shock Oil: 5 Weight
Standard Preload: 12

Shock Features

Non-rebuildable: No

Shock Comments

: Stock spring is progressive rate.

Fitment-Matched Suspension Parts by Category

CHASSIS PARTS

2 Parts

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FORK UPGRADE PARTS

3 Parts

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FORK SPRINGS
Ideal Fork Rate for kg: kg/mm ( N/mm)

5 Parts

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FORK CARTRIDGE ASSEMBLY PARTS

2 Parts

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FORK SEALS & BUSHES

9 Parts

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SHOCK SPRINGS
Ideal Spring Rate for kg: kg/mm ( N/mm)

3 Parts

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SHOCK SEAL CASE PARTS

6 Parts

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TOOLS & LUBRICANTS

19 Parts

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All Fitment-Matched Suspension Parts

Browse All 52 Products for SUZUKI RM125 1999

49mm SHOWA SKF Mud Scraper

SKF Sealing

49mm SHOWA SKF Mud Scraper

Removable Scraper
(SKU: KIT-MS49S)

$66.00
1 In Stock

All Balls Rear Shock Seal Kit - CR/CRF/KX/KLX/RM/DRZ

All Balls

All Balls Rear Shock Seal Kit - CR/CRF/KX/KLX/RM/DRZ

16 ID 50OD
(SKU: 37-1001)

Shock Bore Ø D (mm): 50.0

Shock Shaft Ø D (mm): 16.0

Height H (mm): 22.0

$95.00
1 In Stock

DRC ENZO | Fork Base Valve Wrench Jig | SHOWA AOS | Red

Enzo Racing

DRC ENZO | Fork Base Valve Wrench Jig | SHOWA AOS | Red

Developed by Enzo Racing
(SKU: ED59-37-203)

$59.99
7 In Stock

DRC ENZO | Fork Cap Spinner | KYB/SHOWA

Enzo Racing

DRC ENZO | Fork Cap Spinner | KYB/SHOWA

Developed by Enzo Racing
(SKU: ED59-37-310)

$43.00
3 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
29 In Stock

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
7 In Stock

Fork Cap Spanner - Showa/WP

Teknik Motorsport

Fork Cap Spanner - Showa/WP

Showa Twin Chamber and WP Bladder & Xplor
(SKU: 93-001-00)

$30.80
10 In Stock

Fork Seal & Wiper Set 49 x 60 x 10

Showa Genuine Parts

Fork Seal & Wiper Set 49 x 60 x 10

49mm id x 60mm od x 10mm tall - Showa SFF TAC
(SKU: 24-880-01)

$47.30
26 In Stock

Fork Seal Driver - 49/50mm

Techtool

Fork Seal Driver - 49/50mm

See Part # 93-009-00 for complete set
(SKU: 93-009-60)

$76.95
24 In Stock

InnTeck Inner Slide Fork Bush SHOWA 49mm **can use Showa F27604901**

Innteck

InnTeck Inner Slide Fork Bush SHOWA 49mm can use Showa F27604901

SHOWA 49mm 48x50x20
(SKU: SKTE49S)

Inside Diameter d (mm): 48.0

Fork Inner Tube Ø d (mm): 49.0

Height H (mm): 20.0

Outside Ø D (mm): 50.0

Wall Thickness (mm): 1.0

$22.00
1 In Stock

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