YAMAHA YZ490 1982
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 Shock Spring Rate
4.2
Bike Type
MX
Ideal Rider Weight
75 kg
Engine Specifications
2 Stroke Engine 490 cc
Forks Info
Fork Manufacturer
- KYB Conventional 43 mm OD
Fork Oil
- Fork Oil Weight
- SAE 7.5
- Fork Oil Level
- 130 mm
- Oil Quanity
- 2 Litres
Fork Spring Information
- Standard Preload
- 10 mm
Shocks Info
Shock Manufacturer
- Soqi
- 46 mm ID
Shock Dimensions
- Nitrogen Pressure
- 114 psi
- Shock Travel
- 130 mm
- Shock Shaft Outer Diameter
- 18 mm
- Standard Sag
- 103 mm
- Shaft Nut Torque
- 25 ft-lbs (34 NM)
- Shock Oil
- 5 Weight
Fork Tube Piston Bushing Pair - 43mm Forks - 43 x 20 x 1.0
43mm od x 20mm tall x 1.0mm thick(SKU: 110034300102)
Inside Diameter d (mm): 41.5
Fork Inner Tube Ø d (mm): 43.0
Height H (mm): 20.0
Outside Ø D (mm): 43.5
Wall Thickness (mm): 1.0
$41.58
16 In Stock
16 In Stock
Fork Tube Slide Bushing Pair - 43mm Forks - 43 x 12 x 2.5mm
43mm od x 12mm tall x 2.5mm thick(SKU: 110044300102)
Inside Diameter d (mm): 43.0
Fork Inner Tube Ø d (mm): 43.0
Height H (mm): 12.0
Outside Ø D (mm): 47.0
Wall Thickness (mm): 2.0
$41.58
12 In Stock
12 In Stock
Fork Oil Seal - 43 x 55 x 10.5/12
43mm id x 55mm od x 10.5/12mm tall - KYB Conventional(SKU: 24-866-00)
$24.88
8 In Stock
8 In Stock
InnTeck Inner Slide Fork Bush KAYABA 43mm **can use KYB 110034300102**
KAYABA 43mm 42x44x20(SKU: SKTE43K)
Inside Diameter d (mm): 42.0
Fork Inner Tube Ø d (mm): 43.0
Height H (mm): 20.0
Outside Ø D (mm): 44.0
Wall Thickness (mm): 1.0
$14.99
26 In Stock
26 In Stock
Tools
7
$199.00
2 In Stock
2 In Stock
$136.40
2 In Stock
2 In Stock
$88.00
Nil Stock
Nil Stock
