User guide

Q604.001

1999-2000 Arctic Cat

AC 400 2X4

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.

K&N Filter # AC-4096

1 Main Jet DJ134

1 Main Jet DJ136

1 Main Jet DJ138

1 Main Jet DJ140

1 Main Jet DJ142

1 Main Jet DJ144

1 Main Jet DJ146

1 Main Jet DJ148

1 Main Jet DJ150

1 Fuel Needle DNO307

1 Slide Spring DSP008M

1 Adjusting Washer DW0001

1 E-clips DE0001

Parts List

PAGE 1
Q604.001 1999-2000 Arctic Cat AC 400 2X4 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
Q604.001 STAGE ONE INSTRUCTIONS 1.Remove vacuum slide from carb. Remove stock needle & spacers, noting order of assembly (Fig.A). 2. Install Dynojet needle on groove #4 for applications below 5000 feet, groove #3 for above 5000 feet, using all stock spacers. Install the Dynojet washer above the E-clip. 3. Install Dynojet slide spring (DSP008M) In-place of the stock slide spring. This is Groove # 1 4. Remove stock main jet and replace with Dynojet main jet provided.