Suspension

Kawasaki Shock Springs

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Kawasaki Shock Springs

When installing an extended swingarm on your bike, you drastically alter the leverage ratio and load on your rear shock. In order to maintain the correct suspension action, a new spring is mandatory. At Trac we have a complete selection of springs for almost all sportbikes. For street bikes, a stiffer spring is almost always necessary to compensate for the longer wheelbase of an extended arm, For the serious drag racer however, sometimes a softer spring will allow for the maximum performance. Below is spring selection chart to illustrate the rates recommended.

Kaw ZX-14 12-17 (12.7 kg STOCK)

ARM EXTENSION DRAG RACE DRAG RACE STREET STREET
LENGTH

175 lbs RIDER

250 lbs RIDER

175 lbs RIDER

250 lbs RIDER

2 INCH 10.7kg 11.6kg STOCK 13.4kg
4 INCH 11.6kg STOCK STOCK 14.3kg
6 INCH 11.6kg STOCK 14.3kg 16.1kg
8 INCH STOCK 13.4kg 14.3kg 16.1kg
10 INCH 13.4kg 13.4kg 16.1kg 17.9kg
12 INCH 13.4kg 14.3kg 16.1kg 17.9kg
14 INCH 14.3kg 14.3kg 17.9kg 19.6kg
16 INCH 14.3kg 15.2kg 19.6kg 21.4kg
  • Re-valving recommended with all spring changes.
  • Re-valving strongly recommended with all red numbers
CLICK HERE For more information about suspension and services.

 

Kaw ZX-14 06-11 (9.7 kg STOCK)

ARM EXTENSION DRAG RACE DRAG RACE STREET STREET
LENGTH

175 lbs RIDER

250 lbs RIDER

175 lbs RIDER

250 lbs RIDER

2 INCH 8.9kg 8.9kg STOCK 10.7kg
4 INCH 8.9kg STOCK 10.7kg 11.6kg
6 INCH STOCK 10.7kg 11.6kg 12.5kg
8 INCH STOCK 10.7kg 12.5kg 13.4kg
10 INCH 10.7kg 11.6kg 12.5kg 14.3kg
12 INCH 10.7kg 11.6kg 13.4kg 15.2kg
14 INCH 11.6kg 12.5kg 14.3kg 16.1kg
16 INCH 11.6kg 12.5kg 15.2kg 16.1kg
  • Re-valving recommended with all spring changes.
  • Re-valving strongly recommended with all red numbers
CLICK HERE For more information about suspension and services.


Kaw ZX-10R 04-05 (10.0 kg STOCK)

ARM EXTENSION DRAG RACE DRAG RACE STREET STREET
LENGTH

175 lbs RIDER

250 lbs RIDER

175 lbs RIDER

250 lbs RIDER

2 INCH 8.9kg 8.9kg STOCK 10.7kg
4 INCH 8.9kg 9.8kg 10.7kg 11.6kg
6 INCH 9.8kg 10.7kg 11.6kg 12.5kg
8 INCH 9.8kg 10.7kg 12.5kg 13.4kg
10 INCH 10.7kg 10.7kg 12.5kg 14.3kg
12 INCH 10.7kg 11.6kg 13.4kg 15.2kg
14 INCH 11.6kg 11.6kg 14.3kg 16.1kg
16 INCH 11.6kg 12.5kg 15.2kg 16.1kg
  • Re-valving recommended with all spring changes.
  • Re-valving strongly recommended with all red numbers
CLICK HERE For more information about suspension and services.

Kaw ZX-10R 06-07 (8.3 kg STOCK)

ARM EXTENSION DRAG RACE DRAG RACE STREET STREET
LENGTH

175 lbs RIDER

250 lbs RIDER

175 lbs RIDER

250 lbs RIDER

2 INCH 8.0kg STOCK STOCK 9.8kg
4 INCH 8.0kg 8.9kg 9.8kg 10.7kg
6 INCH STOCK 9.8kg 9.8kg 11.6kg
8 INCH STOCK 9.8kg 10.7kg 12.5kg
10 INCH 8.9kg 10.7kg 11.6kg 13.4kg
12 INCH 8.9kg 10.7kg 12.5kg 14.3kg
14 INCH 9.8kg 11.6kg 13.4kg 15.2kg
16 INCH 10.7kg 11.6kg 14.3kg 16.1kg
  • Re-valving recommended with all spring changes.
  • Re-valving strongly recommended with all red numbers
CLICK HERE For more information about suspension and services.


Kaw ZX-10R 08-10 (9.1 kg STOCK)

ARM EXTENSION DRAG RACE DRAG RACE STREET STREET
LENGTH

175 lbs RIDER

250 lbs RIDER

175 lbs RIDER

250 lbs RIDER

2 INCH 8.0kg STOCK STOCK 10.7kg
4 INCH 8.0kg 9.8kg 9.8kg 11.6kg
6 INCH STOCK 9.8kg 10.7kg 12.5kg
8 INCH STOCK 10.7kg 11.6kg 13.4kg
10 INCH 9.8kg 10.7kg 12.5kg 14.3kg
12 INCH 9.8kg 11.6kg 13.4kg 15.2kg
14 INCH 10.7kg 11.6kg 14.3kg 16.1kg
16 INCH 11.6kg 11.6kg 15.2kg 16.1kg
  • Re-valving recommended with all spring changes.
  • Re-valving strongly recommended with all red numbers

 CLICK HERE For more information about suspension and services.


 

Kaw ZX-10R 11-12 (9.7 kg STOCK)

ARM EXTENSION DRAG RACE DRAG RACE STREET STREET
LENGTH

175 lbs RIDER

250 lbs RIDER

175 lbs RIDER

250 lbs RIDER

2 INCH 8.9kg 8.9kg STOCK 10.7kg
4 INCH 8.9kg STOCK 10.7kg 11.6kg
6 INCH STOCK 10.7 kg 11.6kg 12.5kg
8 INCH STOCK 10.7kg 12.5kg 13.4kg
10 INCH 10.7kg 11.6kg 12.5kg 14.3kg
12 INCH 10.7kg 11.6kg 13.4kg 15.2kg
14 INCH 11.6kg 12.5kg 14.3kg 16.1kg
16 INCH 11.6kg 12.5kg 15.2kg 16.1kg
  • Re-valving recommended with all spring changes.
  • Re-valving strongly recommended with all red numbers

CLICK HERE For more information about suspension and services.


 

Kaw ZX-12R 00-05 (11.0 kg STOCK)

ARM EXTENSION DRAG RACE DRAG RACE STREET STREET
LENGTH

175 lbs RIDER

250 lbs RIDER

175 lbs RIDER

250 lbs RIDER

2 INCH 9.8kg STOCK STOCK 12.5kg
4 INCH 9.8kg STOCK 12.5kg 14.3kg
6 INCH STOCK 12.5kg 13.4kg 15.2kg
8 INCH STOCK 12.5kg 14.3kg 15.2kg
10 INCH 12.5kg 13.4kg 15.2kg 16.1kg
12 INCH 13.4kg 14.3kg 15.2kg 16.1kg
14 INCH 13.4kg 14.3kg 16.1kg 17.9kg
16 INCH 14.3kg 15.2kg 16.1kg 17.9kg
  • Re-valving recommended with all spring changes.
  • Re-valving strongly recommended with all red numbers
CLICK HERE For more information about suspension and services.

 




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