YAMAHA WR450F 2019

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

0.47

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

Twin Chamber Fork
Yes

Fork Oil

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

Fork Spring Information

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.
KYB Genuine Front Fork Spring Each - 44mm od x 497 length
Kayaba (KYB) Genuine Parts

KYB Genuine Front Fork Spring Each - 44mm od x 497 length

44mm od x 497mm free length
(SKU: 11005-44-497)
Spring Rate: 4.6 N/mm
$150.21
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.
Spring Rate: 4.8 N/mm
$150.21
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.
Spring Rate: 5.0 N/mm
$150.21
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.
Spring Rate: 5.2 N/mm
$150.21
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.
HiCalibre Fork Springs 44 x 497
HiCalibre

HiCalibre Fork Springs 44 x 497

44mm od x 497mm free length
(SKU: 19-216)
Teknik Fork Springs 43.5 x 497 (Eibach 963)
Teknik Motorsport

Teknik Fork Springs 43.5 x 497 (Eibach 963)

43.5mm od x 497mm free length
(SKU: 43.5-497)
Eibach EMS Moto Fork Springs 43.9/43.9/492mm
Eibach Suspension Technology

Eibach EMS Moto Fork Springs 43.9/43.9/492mm

Set of 2 Front Springs
(SKU: 904)
Spring Rate: 0.52 kg/mm
$249.94
Special Order
Shipped 2-3 Days. Stock at Eibach Australia.
Shipped 2-3 Days. Stock at Eibach Australia.
Spring Rate: 0.50 kg/mm
$249.94
Special Order
Shipped 2-3 Days. Stock at Eibach Australia.
Shipped 2-3 Days. Stock at Eibach Australia.
Spring Rate: 0.38 kg/mm
$249.94
Special Order
Shipped 2-3 Days. Stock at Eibach Australia.
Shipped 2-3 Days. Stock at Eibach Australia.
Eibach EMS Moto Fork Springs 43.7 x 499 (43.5-497)
Eibach Suspension Technology

Eibach EMS Moto Fork Springs 43.7 x 499 (43.5-497)

43.7mm OD x 499mm Free Length
(SKU: 963)
KYB Genuine Front Fork Slide Metal (Pair) 48mm KYB
Kayaba (KYB) Genuine Parts

KYB Genuine Front Fork Slide Metal (Pair) 48mm KYB

OEM KYB Japan
(SKU: 110044800202)
Inside Diameter d (mm):   48.0
Fork Inner Tube Ø d (mm):   48.0
Height H (mm):   15.0
Outside Ø D (mm):   52.0
Wall Thickness (mm):   2.0
$48.93
47 In Stock
Outer Guide Bush 48 x 15 x 2.0 Aftermarket
Teknik Motorsport

Outer Guide Bush 48 x 15 x 2.0 Aftermarket

48mm id x 15mm tall x 2.0mm thick
(SKU: 24-570-01)
Inside Diameter d (mm):   48.0
Fork Inner Tube Ø d (mm):   48.0
Height H (mm):   15.0
Outside Ø D (mm):   52.0
Wall Thickness (mm):   2.0
$6.60
692 In Stock
48mm KYB Fork Seal and Dust Wiper Set 2pc set , Hi performance seal
Capelli Race

48mm KYB Fork Seal and Dust Wiper Set 2pc set , Hi performance seal

one oil seal and one dust seal, buy 2 sets for one bike
(SKU: KYB48Capset)
Dust Wiper Inside Diameter d (mm):   48.0
Oil Seal Inside Diameter d (mm):   48.0
Dust Wiper Height H (mm):   9.5
Oil Seal Height H (mm):   4.9
Dust Wiper Outside Ø D1 (mm):   58.2
Oil Seal Outside Ø D1 (mm):   58.7
$44.00
61 In Stock
SKF KYB Fork Seal Kit 48mm (Dual Comp)
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
$62.95
2 In Stock
SKF 48mm KYB Fork Seal & Wiper Set
SKF Sealing

SKF 48mm KYB Fork Seal & 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
56 In Stock
SKF 48mm KYB Fork Seal & Wiper Set - Heavy Duty
SKF Sealing

SKF 48mm KYB Fork Seal & 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
24 In Stock
Fork Oil Seals Pair - 48 x 58 x 8.5
Kayaba (KYB) Genuine Parts

Fork Oil Seals Pair - 48 x 58 x 8.5

48mm id x 58mm od x 8.5mm tall
(SKU: 110014800302)
$41.80
Special Order
Order placed with KYB every week. 2-3 week delivery if in stock at KYB.
KYB Genuine O-ring
Kayaba (KYB) Genuine Parts

KYB Genuine O-ring

OEM KYB Japan
(SKU: 150290000701)
$5.54
Special Order
Order placed with KYB every week. 2-3 week delivery if in stock at KYB.
KYB Genuine O-ring
Kayaba (KYB) Genuine Parts

KYB Genuine O-ring

OEM KYB Japan
(SKU: 150290000701)
$5.54
Special Order
Order placed with KYB every week. 2-3 week delivery if in stock at KYB.
HiCalibre Shock Spring 63.5/65.5 x 280 (64_66-275)
HiCalibre

HiCalibre Shock Spring 63.5/65.5 x 280 (64_66-275)

63.5/65.5mm id x 280mm free length
(SKU: 20-135)
Teknik Shock Spring 64/66 x 275
Teknik Motorsport

Teknik Shock Spring 64/66 x 275

64/66mm id x 275mm free length
(SKU: 64_66-275)
Eibach EMS Moto Shock Spring Kit 64 x 62 x 275mm
Eibach Suspension Technology

Eibach EMS Moto Shock Spring Kit 64 x 62 x 275mm


(SKU: 820)
Spring Rate: 6.3 kg/mm
$249.94
Special Order
Shipped 2-3 Days. Stock at Eibach Australia.
Shipped 2-3 Days. Stock at Eibach Australia.
Spring Rate: 5.2 kg/mm
$249.94
Special Order
Shipped 2-3 Days. Stock at Eibach Australia.
Shipped 2-3 Days. Stock at Eibach Australia.
Bump Stop Rubber 16 x 34 x 59
Factory Racing

Bump Stop Rubber 16 x 34 x 59

16mm id x 34mm od x 59mm tall - KYB
(SKU: 22-210-00)
Height H (mm):   59.0
Outside Ø D (mm):   34.0
$22.00
101 In Stock
KYB Genuine O-ring
Kayaba (KYB) Genuine Parts

KYB Genuine O-ring

OEM KYB Japan
(SKU: 150290000701)
$5.54
Special Order
Order placed with KYB every week. 2-3 week delivery if in stock at KYB.