Suspension Parts for HONDA CR125R 1990 – Shocks, Forks & Upgrades

Discover suspension parts guaranteed to fit the 1990 HONDA CR125R. 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 HONDA CR125R.

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

Rider Weight

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

0.336

Stock Shock Spring Rate

5

Bike Type

MX

Ideal Rider Weight

75 kg

Engine Specifications

2 Stroke Engine 125 cc

FORKS INFO

Fork Manufacturer

Showa USD 45 mm OD

Fork Dimensions

Compression Nut Torque
25 in-lb (0.29 kgf-m)

Fork Features

Twin Chamber Fork
No

Fork Oil

Fork Oil Weight
SAE 5
Fork Oil Level
75 mm* mm
Oil Quanity
2 Litres

Fork Spring Information

Spring Rate – Claimed
0.336
Standard Preload
10 mm

Fork Comments

Measure oil level with springs in.

SHOCKS INFO

Shock Manufacturer

KYB
44 mm ID

Shock Dimensions

Nitrogen Pressure
142 psi
Shock Length (Eye to Eye)
458 mm
Shock Travel
120 mm
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
15

Shock Comments

One-way rebound check valve

Fitment-Matched Suspension Parts by Category

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All Fitment-Matched Suspension Parts

Browse All 34 Products for HONDA CR125R 1990
Teknik Motorsport

Outer Guide Bush 45 x 15 x 2.0

45mm id x 15mm tall x 2.0mm thick
(SKU: 24-516-01)
Inside Diameter d (mm):   45.0
Fork Inner Tube Ø d (mm):   45.0
Height H (mm):   15.0
Outside Ø D (mm):   49.0
Wall Thickness (mm):   2.0
$38.50
Nil Stock
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Showa Genuine Parts

Showa Genuine Parts Dust Seal 45x57.6x13 (with spring)

Showa Genuine Motorcycle Suspension Parts
(SKU: F33004502)
Inside Diameter d (mm):   45.0
Fork Inner Tube Ø d (mm):   45.0
Height H (mm):   13.0
Outside Ø D (mm):   57.6
$24.00
Special Order
Order placed with Showa GPE every 2nd week. 2-3 week delivery if in stock at Showa GPE