Polaris 2003 Pro X User Manual

REAR SUSPENSION/TRACK/TRACTION
7.7
Shock Valving
The valving piston has six large compression holes
and three smaller rebound holes. The smallest hole,
called the low speed hole, controls low speed rebound
damping. It also has about a 25% effect on low speed
compression. This hole is usually between .050s and
.100s in diameter. You can drill the piston with num-
bered drill bits to get any size you want. Blank pistons
are also available.
The rest of the valving is controlled by the valving
washers. These washers are available in various
thicknesses and diameters to achieve the proper
amount of stiffness.
Following is an example of available valving washer
sizes.
Washer Diameters
.700s
.800s
.900s
1.000s
1.100s
1.250s
1.300s
1.450s
1.600s
Washer Thicknesses
.006s
.008s
.010s
.012s
.015s
Use thicker, larger diameter washers to make the
shock stiffer. The rebound stack must start out with
a washer that is at least 1.250s in diameter. The
compression stack must start out with a washer that
is 1.300s in diameter. At slower shaft speeds, only
the washers closest to the piston will bend and allow
oil through.
At fast shaft speeds the washers bend further, so
the washers further from the piston are helping con-
trol the oil flow.
In summary, the washers closest to the piston con-
trol low speed valving, and the washers furthest
away affect high speed valving. In the rebound
stack, the washer next to the piston is more a me-
dium speed valve because of the oil flowing through
the low speed hole.
It takes a lot of time and practice to see which valves
control the way your suspension feels. Sometimes
it’s good to make a big change to see how the shock
will react, and then end up somewhere in between.
NOTE: For every 1s of travel limiter spacers added to the shock, decrease the IFP depth by .115s.
NOTE: For every .25s of travel limiter spacers added to the shock, decrease the IFP depth by .029s.
Compression holes
Rebound holes
Piston
Slow
Shaft
Speeds
High
Shaft
Speeds
Washers
bent
less
Washers
bent
more
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Polaris 2003 Pro X Specifications

General

Brand	Polaris
Model	2003 Pro X
Category	Offroad Vehicle
Language	English