Instruction Manual

Q434.001

2007-2011 Yamaha

450 Grizzly Auto

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 DJ116

1 Main Jet DJ118

1 Main Jet DJ120

1 Main Jet DJ122

1 Main Jet DJ124

1 Main Jet DJ126

1 Main Jet DJ128

1 Main Jet DJ130

1 Fuel Needle DNO490

1 Slide Spring DSP011

1 Needle Spring DSP77

1 Adjusting Washer DW0001

1 E-Clip DE0001

PAGE 1
Q434.001 2007-2011 Yamaha 450 Grizzly Auto 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 Q434.001 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 (Fig.A). Install the Dynojet slide spring (DSP011) in place of the stock slide spring. NOTE: The DSP77 spring does not have to be used, it is supplied in case the stock spring is misplaced.