User Manual

Q531.001

2008-2011 Polaris

Sportsman 500 H.O.

Stage 1

For mildly tuned machines using the stock airbox with

stock or aftermarket filter. May also be used with a

good aftermarket exhaust system.

Parts List

1 Main Jet DJ142

1 Main Jet DJ146

1 Main Jet DJ150

1 Main Jet DJ155

1 Main Jet DJ160

1 Main Jet DJ165

1 Fuel Needle DNO198

1 Adjusting Washer DW0001

1 E-Clip DE0001

1 Screw DS0001

1 Plug Drill DD 5/32

PAGE 1
Q531.001 2008-2011 Polaris Sportsman 500 H.O. Stage 1 For mildly tuned machines using the stock airbox with stock or aftermarket filter. May also be used with a good aftermarket exhaust system.
PAGE 2
STAGE ONE INSTRUCTIONS Q531.001 1. Remove vacuum slide from the carb. Remove stock needles & spacers, noting order of assembly (Fig. A). 2. Install Dynojet needle on groove#3 for applications below 3000 feet, groove #2 for above 3000 feet, using all stock spacers. Install the Dynojet washer above the E-clip. 3. Remove the stock main jet. If you are running the stock exhaust use the DJ155 below 3000 feet, DJ150 from 3000 to 6000 feet and DJ146 above 6000 feet.