Suspension Parts for 1990 SUZUKI RM-X250 (NON ADR) Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 1990 SUZUKI RM-X250 (NON ADR). 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 1990 SUZUKI RM-X250 (NON ADR).

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

0.37

Stock Shock Spring Rate

4.9

Bike Type

OFFROAD

Ideal Rider Weight

75 kg

Engine Specifications

2 Stroke Engine 250 cc

FORKS INFO

Fork Manufacturer

: KYB USD 41 mm OD

Fork Dimensions

Compression Nut Torque: 48 in-lb (0.56 kgf-m)

Fork Features

Twin Chamber Fork: No

Fork Oil

Fork Oil Weight: SAE 5
Fork Oil Level: 95 mm
Oil Quanity: 2 Litres

Fork Spring Information

Spring Rate – Claimed: 0.38
Standard Preload: 10 mm

Fork Comments

: Oil level set with the gap between the inner and outer fork tube empty.

SHOCKS INFO

Shock Manufacturer

KYB: 44 mm ID

Shock Dimensions

Nitrogen Pressure: 142 psi
Shock Shaft Outer Diameter: 14 mm
Standard Sag: 95 mm
Shaft Nut Torque: 25 ft-lbs (34 NM)
Shock Oil: 2.5 Weight
Standard Preload: 14

Shock Features

Non-rebuildable: No

Shock Comments

: Stock shock setting is for MX

Fitment-Matched Suspension Parts by Category

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

2 Parts

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FORK SEALS & BUSHES

3 Parts

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

3 Parts

Please wait, loading parts....

SHOCK SEAL CASE PARTS

2 Parts

Please wait, loading parts....

TOOLS & LUBRICANTS

7 Parts

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All Fitment-Matched Suspension Parts

Browse All 22 Products for SUZUKI RM-X250 (NON ADR) 1990

Teknik Schrader Valve Cap

Teknik Motorsport

Teknik Schrader Valve Cap

(SKU: 30-652-00)

$3.99
22 In Stock

All Balls Rear Shock Seal Kit - Honda Early CR & XR 250 1996-04

All Balls

All Balls Rear Shock Seal Kit - Honda Early CR & XR 250 1996-04

14 ID 44 OD
(SKU: 37-1007)

Shock Bore Ø D (mm): 44.0

Shock Shaft Ø D (mm): 14.0

Height H (mm): 22.0

$95.00
3 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)

From $235.00

Colour: White
spring rate: 44.0 N/mm

$235.00
19 In Stock

Colour: White
spring rate: 46.0 N/mm

$235.00

Colour: White
spring rate: 48.0 N/mm

$235.00
3 In Stock

Colour: White
spring rate: 50.0 N/mm

$235.00
21 In Stock

Colour: White
spring rate: 52.0 N/mm

$235.00
14 In Stock

Colour: White
spring rate: 54.0 N/mm

$235.00
14 In Stock

Colour: White
spring rate: 56.0 N/mm

$235.00
2 In Stock

Colour: White
spring rate: 58.0 N/mm

$235.00
16 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
46 In Stock

Colour: White
spring rate: 42.0 N/mm

$235.00
20 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)

From $249.94

spring rate: 4.0 kg/mm

$249.94
1 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
1 In Stock

spring rate: 5.4 kg/mm

$249.94
2 In Stock

spring rate: 5.6 kg/mm

$249.94
2 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
2 In Stock

spring rate: 7.1 kg/mm

$249.94
1 In Stock

Techtool Motorcycle Fork Seal Driver Kit 9pc Kit

Techtool

Techtool Motorcycle Fork Seal Driver Kit 9pc Kit

35/36-39-41-43-45-46/47-48-49/50-54mm
(SKU: 93-009-00)

$470.58
4 In Stock

Fork Seal Driver - 41mm

Techtool

Fork Seal Driver - 41mm

See Part # 93-009-00 for complete set
(SKU: 93-009-10)

$76.95
16 In Stock

Shock Seal Head Bullet 5Pc Kit

Techtool

Shock Seal Head Bullet 5Pc Kit

Shock Seal Head Bullet 5pc Kit
(SKU: 93-031-00)

$76.95
12 In Stock

Techtool Fork Tube Tool & Cartridge Rod Holding Plate

Techtool

Techtool Fork Tube Tool & Cartridge Rod Holding Plate

For KYB, Showa & WP Twin or Open Chamber Forks
(SKU: 93-032-00)

$220.00
15 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
5 In Stock

SKF 41mm KYB Fork Seal and Wiper Set

SKF Sealing

SKF 41mm KYB Fork Seal and Wiper Set

Requires 2 kits for complete fork service.
(SKU: SKF41K)

From $59.95

Colour: Green

$59.95
29 In Stock

Colour: Black

$59.95
36 In Stock

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