Model:  YAMAHA WR450F 2020

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

0.48

Stock Shock Spring Rate

5.6kg

Bike Type

OFFROAD

Ideal Rider Weight

75 kg

Engine Specifications

4 Stroke Engine 450 cc

FORKS INFO

Fork Manufacturer

KYB USD 48 mm OD

Fork Dimensions

Compression Nut Torque
48 in-lb (0.56 kgf-m)
Fork Travel
315 mm

Fork Features

Preload Adjuster
7 mm Range
Twin Chamber Fork
Yes

Fork Oil

Fork Oil Weight
SAE 2.5
Fork Oil Level
200cc/350cc mm
Oil Quanity
2 Litres

Fork Spring Information

Spring Rate – Claimed
0.48
Standard Preload
7 mm

Fork Comments

Check floating piston for cracking

SHOCKS INFO

Shock Manufacturer

KYB
50 mm ID

Shock Dimensions

Nitrogen Pressure
142 psi
Shock Length (Eye to Eye)
464 mm
Shock Travel
120 mm
Shock Shaft Outer Diameter
16 mm
Standard Sag
103 mm
Shaft Nut Torque
25 ft-lbs (34 NM)
Shock Oil
2.5 Weight
Standard Preload
15
Wheel Travel
318 mm

Shock Features

Non-rebuildable
No

Shock Comments

Replace alloy shock collars with steel if binding.

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Browse All 226 Products for YAMAHA WR450F 2020



SKF Sealing

SKF KYB Fork Seal Kit 48mm (Dual Comp)

Requires 2 kits for complete fork service.
(SKU: SKF-DUAL-48K)
Colour:   Green/Orange
Seal Outer Ø D (mm):   58.42
Seal Height H (mm):   8.5
Seal Wiper Outside Ø D1 (mm):   58.70
Seal Wiper Height H1 (mm):   4.9
Fork Inner Tube Ø d (mm):   48.0
$69.95
33 In Stock

SKF Sealing

SKF Fork Bushings Kit 2pcs - 1x Inner 1x Outer - KYB 48

Genuine SKF Fork Bush Kit
(SKU: SKF-VKWA-KYB48-A)
Fork Inner Tube Ø d (mm):   48.0
External Teflon Bushing Dimensions (mm):   47X49X20
Internal Teflon Bushing Dimensions (mm):   48X52X15
Suspension Brand:   Kayaba (KYB)
$44.95
14 In Stock

SKF Sealing

SKF 48mm KYB Fork Seal and Wiper Set

Requires 2 kits for complete fork service.
(SKU: SKF48K)
Colour:   Green
Seal Outer Ø D (mm):   58.42
Seal Height H (mm):   8.5
Seal Wiper Outside Ø D1 (mm):   58.70
Seal Wiper Height H1 (mm):   4.9
Fork Inner Tube Ø d (mm):   48.0
$59.95
38 In Stock

SKF Sealing

SKF 48mm KYB Fork Seal and Wiper Set - Heavy Duty

Requires 2 kits for complete fork service.
(SKU: SKF48KHD)
Colour:   Green
Seal Outer Ø D (mm):   58.42
Seal Height H (mm):   8.5
Seal Wiper Outside Ø D1 (mm):   58.70
Seal Wiper Height H1 (mm):   4.9
Fork Inner Tube Ø d (mm):   48.0
$59.95
51 In Stock





Kayaba (KYB) Genuine Motorcycle Parts

KYB Genuine Single Linear Rate Fork Spring - 44od x 497mm

Original KYB Motorcycle Suspension Spring
(SKU: 11005-44-497)
$172.79
Special Order
Order placed with KYB every week. 2-3 week delivery if in stock at KYB.
Order placed with KYB every week. 2-3 week delivery if in stock at KYB.
$172.79
Special Order
Order placed with KYB every week. 2-3 week delivery if in stock at KYB.
Order placed with KYB every week. 2-3 week delivery if in stock at KYB.
$172.79
Special Order
Order placed with KYB every week. 2-3 week delivery if in stock at KYB.
Order placed with KYB every week. 2-3 week delivery if in stock at KYB.
$172.79
Special Order
Order placed with KYB every week. 2-3 week delivery if in stock at KYB.
Order placed with KYB every week. 2-3 week delivery if in stock at KYB.
$172.79
Special Order
Order placed with KYB every week. 2-3 week delivery if in stock at KYB.
Order placed with KYB every week. 2-3 week delivery if in stock at KYB.
$172.79
Special Order
Order placed with KYB every week. 2-3 week delivery if in stock at KYB.
Order placed with KYB every week. 2-3 week delivery if in stock at KYB.