Discover suspension parts guaranteed to fit the 2003 HONDA CRF450R. 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 2003 HONDA CRF450R.

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

0.47

Stock Shock Spring Rate

5.5

Bike Type

Ideal Rider Weight

75 kg

Engine Specifications

4 Stroke Engine 450 cc

FORKS INFO

Fork Manufacturer

: Showa USD 47 mm OD

Fork Dimensions

Compression Nut Torque: 25 in-lb (0.29 kgf-m)
Fork Travel: 315 mm

Fork Features

Twin Chamber Fork: Yes

Fork Oil

Fork Oil Weight: SAE 5
Fork Oil Level: 390 cc mm
Oil Quanity: 2 Litres

Fork Spring Information

Standard Preload: 8 mm

Fork Comments

: Measure oil volume - not oil level.

SHOCKS INFO

Shock Manufacturer

Showa: 50 mm ID

Shock Dimensions

Nitrogen Pressure: 175 psi
Shock Length (Eye to Eye): 482 mm
Shock Travel: 130 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: 10

Shock Features

Non-rebuildable: No

Fitment-Matched Suspension Parts by Category

FORK SEALS & BUSHES

10 Parts

Please wait, loading parts....

SHOCK SEAL CASE PARTS

6 Parts

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TOOLS & LUBRICANTS

16 Parts

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All Fitment-Matched Suspension Parts

Browse All 56 Products for HONDA CRF450R 2003

Shock Bushing Driver Set

(SKU: 93-118-00)

$33.00
Coming Soon

DRC ENZO | SHOCK COMPRESSION ADJUSTER | 14mm | SHOWA

Developed by Enzo Racing
(SKU: ED59-37-214)

$80.00
Nil Stock

Showa Front Fork Service Kit - 47mm

Showa Genuine Motorcycle Suspension Parts
(SKU: FMAN04701)

$221.58
Special Order

Showa Genuine Parts Service Kit (2 dust seal + 2 oil seal) FF Showa 47mm

Showa Genuine Motorcycle Suspension Parts
(SKU: FSER04701)

Fork Inner Tube Ø d (mm): 47.0

$108.00
Special Order

InnTeck Inner Slide Fork Bush SHOWA 47mm can use Showa F27604701

SHOWA 47mm 46x48x20
(SKU: SKTE47S)

Inside Diameter d (mm): 46.0

Fork Inner Tube Ø d (mm): 47.0

Height H (mm): 20.0

Outside Ø D (mm): 48.0

Wall Thickness (mm): 1.0

$22.00
Nil Stock

InnTeck Outer Guide Fork Bush SHOWA 47mm can use Showa F27504702

SHOWA 47mm 47x51x15
(SKU: SKTI47S)

Inside Diameter d (mm): 47.0

Fork Inner Tube Ø d (mm): 47.0

Height H (mm): 15.0

Outside Ø D (mm): 51.0

Wall Thickness (mm): 2.0

$22.00
Nil Stock

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Suspension Parts for HONDA CRF450R 2003 – Shocks, Forks & Upgrades

Bike-Specific Suspension Specifications & Setup Information

CALCULATE SPRING RATES

BIKE DETAILS

FORKS INFO

Fork Manufacturer

Fork Dimensions

Fork Features

Fork Oil

Fork Spring Information

Fork Comments

SHOCKS INFO

Shock Manufacturer

Shock Dimensions

Shock Features

Fitment-Matched Suspension Parts by Category

All Fitment-Matched Suspension Parts

Subscribe to our Newsletter

Terms & Conditions

Privacy Policy

1. WHAT WE COLLECT

2. WHAT WE DO WITH THE INFORMATION WE GATHER

3. SECURITY

4. HOW WE USE COOKIES

5. CONTROLLING YOUR PERSONAL INFORMATION