Kawasaki zx-6r User Manual

The optional front fork springs are available for racing. 

Items Original 

Rebounded damping setting (Upper) 

1 1/2 turns out from the fully clockwise position 

Compression damping setting (Lower) 

1 1/2 turns out from the fully clockwise position 

Fork oil 

SHOWA SS47 

Fork oil level 

97 mm 

Oil lock 

Oil lock piece 

Oil seal 

– – – 

Spring length 

257.0 mm (Free Length) 

Spring constant 

9.0 N/mm 

Sub spring stroke 

28 mm 

 

P/No. 

A × B × C (mm) 

Number of Winding

Spring Constant 

Original 

4.7 × 31.5 × 257.0 

17.5 

K = 9.0 N/mm 

92145-0507 

4.6 × 31.6 × 257.0 

16.9 

K = 8.25 N/mm 

92145-0508 

4.7 × 31.5 × 257.0 

16.6 

K = 9.25 N/mm 

92145-0509 

4.8 × 31.4 × 257.0 

17.3 

K = 9.75 N/mm 

 A: 

Coil 

Diameter 

 

B:  Spring Inside Diameter 

 

C:  Spring Free Length 

 

Replace the main spring referring to the Fork Oil Change section of the base Service 

Manual. 

 

The spring constant value is stamped on the one side surface of the spring. 

 

37