High Lifter DynoJet Jet Kit for Yamaha Grizzly 660 (02-08) - Manual (Page 2)

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 (Fig.A). Install the Dynojet slide spring (DSP027) 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. The Dynojet
washer (DW0001) does not need to be installed at this time, it is for half step adjustments. After installing the
slides in the carbs be sure to check slide movement manually before air box installation.
3. Remove stock main jet and replace with Dynojet main jet provided. Use the DJ150 below 3000 feet, DJ146
from 3000 to 6000 feet and DJ142 above 6000 feet. When using an aftermarket exhaust with a high flow
baffle, Use the DJ155 below 3000 feet, DJ150 from 3000 to 6000 feet and the DJ146 above 6000 feet.
4. Locate the Fuel Mixture Screw (Fig.B). Using a flat blade screwdriver, turn the mixture screw clockwise
until it seats, then turn out 2.5 turns, 2 turns above 5000 feet.
Fig.A
Q415.001
This is Groove # 1
Fig.B
Mixture Screw
Main Jet
Dynojet Parts
Main Jet cup must be
re-installed
Stock Parts