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Adjustments for Competition 117
Carburetor Adjustments & Tuning Tips
Standard Tuning Recommendations
For the following recommendations to be
accurate, you must use the standard settings as a
baseline. Also, don’t change any of the settings
until you’ve determined what changes are
necessary.
Adjustment
Pilot screw opening
Slow jet
Jet needle
Needle clip position
Main jet
Float level
Identification number
Standard settings
2 turns out
#38
NMQT
3rd groove
#140
0.28 in (7.0 mm)
FCR08D
Adjustments for Altitude & Temperature
All jetting recommendations are based on
standard jetting with an unmodified engine. The
following conditions can affect the fuel mixture.
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