Polaris PREDATOR 2003 Service Manual page 120

FOX FRONT SHOCK SERVICE
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Shown below is an example of how valving stacks are arranged. The table on page 5.20 contains optional valving
specifications and piston orifice sizes.
Parts in boxed area are an example of typical valving.
* Note direction of valve piston before disassembly. The side with the greater number of slots should face the
IFP (nut end of the shaft).
TYPICAL VALVE STACK ARRANGEMENT
Compression Stack
7-C
6-C
5-C
4-C
3-C
2-C
1-C
Rebound Stack
1-R
2-R
3-R
4-R
5-R
6-R
Changing oil on Foxt Shocks is recommended annually and should be included when performing end of season
storage preparation. For competition use, shocks should be disassembled, inspected and serviced more frequently.
Spacer
Top Out Plate
.800 x .008
.900 x .008
1.00 x .008
1.100 x .008
1.300 x .008
.900 x .008
1.300 x .008
Piston
1.25 x .008
1.10 x .008
1.000 x .008
.900 x .008
.800 x .008
.700 x .008
Back Up Plate
Nut End
BODY / STEERING / SUSPENSION
Piston Orientation
Toward Shaft
(Fewer slots)
Slots
Orifice
Piston*
Orifice must be drilled to required
size on replacement valve pistons.
IFP Depth Adjustment For Limited Travel Setup
Spacer Thickness
.25
.50
.75
1.0
1.25
1.50
1.75
2.00
2.25
2.50
2.75
3.00
3.25
3.50
3.75
4.00
4.25
4.50
4.75
5.00
Side with greater # of
slots must face nut end
(Toward nut & IFP)
IFP Depth Modifier
.029 (Subtract)
.058
.088
.117
.146
.175
.204
Spacer
.234
PN
.263
5431355
.292
.321
.350
.380
.409
.438
.467
.496
.526
.555
.584
5.19