Cobra DCX65 2003 Owner's And Service Manual page 40

Free Race
Length Length
Measure Measure
Table 1 Sag calculations
7. If your race sag number does not equal 75 mm (3.0") adjust the preload on
the shock to achieve this value.
7.1. If your race sag is greater than 75 mm (3.0") increase the shock preload
by one turn.
7.1.1. Loosen the shock preload lock nut.
7.1.2. Turn the preload adjuster in towards the spring one more turn.
7.1.3. Resecure the lock nut.
7.2. If your race sag is less than 75 mm (3.0") reduce the shock preload by
one turn.
7.2.1. Loosen the shock preload lock nut.
7.2.2. Turn the preload adjuster back from the spring by one turn (NOTE:
If you unload the spring while performing this task, you must
purchase a softer spring).
7.2.3. Resecure the lock nut.
7.3. Remeasure the race length as described above.
7.4. Repeat this procedure until you are sufficiently close to the target value.
STEP 4: Proper No Load Sag
Tools required
Measuring tape
Shock preload spanner
Calculator or the ability to subtract without one
NOTE:
Always be consistent with measuring units. Stick with inches (") or millimeters
(mm).
Adjustment Procedure
1. Again measure the distance between the centers of the rear fender bolt and
the rear axel bolt with the bike off the stand, but this time without a rider.
NOTE:
Bounce the seat a couple of times by hand to overcome any static friction
(stiction) forces.
Race Sag
Target 75 mm (3.0")
Calculate as
Free Length –
Race Length
39
No Load No Load Sag
Length Target 19 mm (3/4")
Calculate as
Measure Free Length –
No Load Length