HONDA CR125R 1990 Motorcycle Suspension Upgrades

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

0.336

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

FORK SEALS & BUSHES

10 Parts

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

3 Parts

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SHOCK BLADDER PARTS

3 Parts

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SHOCK SEAL CASE PARTS

3 Parts

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TOOLS & LUBRICANTS

9 Parts

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Browse All 33 Products for HONDA CR125R 1990

Shock Bushing Driver Set

Techtool

Shock Bushing Driver Set

(SKU: 93-118-00)

$33.00
8 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)

$139.99
5 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
4 In Stock

DRC ENZO | Fork Bracket Holder | 20/22/25/26/27mm Axle Sizes

Enzo Racing

DRC ENZO | Fork Bracket Holder | 20/22/25/26/27mm Axle Sizes

Co-developed product with Enzo Racing
(SKU: ED59-37-240)

$65.00
12 In Stock

Showa Genuine Parts Oil Seal 45x57x11

Showa Genuine Parts

Showa Genuine Parts Oil Seal 45x57x11

Showa Genuine Motorcycle Suspension Parts
(SKU: F32004501)

Inside Diameter d (mm): 45.0

Fork Inner Tube Ø d (mm): 45.0

Height H (mm): 11.0

Outside Ø D (mm): 57.0

$24.00
28 In Stock

Showa Genuine Parts Service Kit (2 dust seal + 2 oil seal) FF Showa 45mm

Showa Genuine Parts

Showa Genuine Parts Service Kit (2 dust seal + 2 oil seal) FF Showa 45mm

Showa Genuine Motorcycle Suspension Parts
(SKU: FSER04501)

Fork Inner Tube Ø d (mm): 45.0

$86.41
17 In Stock

SKF 45mm Showa Fork Seal and Wiper Set

SKF Sealing

SKF 45mm Showa Fork Seal and Wiper Set

Requires 2 kits for complete fork service.
(SKU: SKF45S)

Colour: Green

$59.95
8 In Stock

Colour: Black

$59.95
33 In Stock

Fork Dust Wipers 45 x 58 x 13

Teknik Motorsport

Fork Dust Wipers 45 x 58 x 13

45mm id x 58mm od x 13mm tall
(SKU: 24-879-00)

$38.50
Special Order

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

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

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