Maintenance
2.23
Fuel System -- Continued
Carburetor Adjustments
CAUTION:
DO NOT attempt to perform carburetor adjustments with the engine attached to a flush kit or inaccurate adjust-
ment will result. Idle speed and low speed mixture screw adjustments should only be performed in a test tank
or in the water while secured to a trailer or dock. See carburetion section before making any adjustments to the
mixture screws.
Idle Speed
1. Adjust idle speed to specifications.
2. Start engine and warm to operating temperature in a
test tank or with the craft safely secured to a trailer or
dock.
3. Install tachometer to one of the spark plug high
tension leads. Adjust idle speed to specified RPM by
turning idle speed screw clockwise (to increase) or
counterclockwise (to decrease) speed.
NOTE: The idle speed for DIt models is 1150 RPM (In Water). The idle speed is not adjustable.
W ARNING: Never run an engine for more than 15 seconds out of the water or without a flush kit installed. Severe
engine damage may occur.
Idle Speed Screw
Digital Tachometer
PET 2500 PN 8712500
PET 2100 PN 8712100
Idle Speed (In Water):
All 2002 Carbureted Mo d els
1350 ± 100 RPM
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