YAMAHA YZF-R1 2004

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

0.93

Stock Shock Spring Rate

8.6

Bike Type

SUPERBIKE

Ideal Rider Weight

75 kg

Engine Specifications

4 Stroke Engine 998 cc

Forks Info

Fork Manufacturer

KYB USD 43 mm OD

Fork Dimensions

Compression Nut Torque
30 in-lb (0.35 kgf-m)
Fork Travel
120 mm
Front Sag
32 mm

Fork Oil

Fork Oil Weight
SAE 5
Fork Oil Level
110 mm
Oil Quanity
2

Fork Spring Information

Standard Preload
15 mm

Shocks Info

Shock Manufacturer

Soqi
40 mm ID

Shock Dimensions

Nitrogen Pressure
200 psi
Shock Length (Eye to Eye)
300 mm
Shock Shaft Outer Diameter
14 mm
Standard Sag
32 mm
Shaft Nut Torque
25 ft lbs (34 NM)
Shock Oil
5 Weight
Standard Preload
14
Wheel Travel
130 mm

Shock Comments

Shock must be disassembled to install 25-304-00 preload adjuster kit. Reservoir cap 22-169-00 recommended.