Page 14 - Arrow Shark X-30 Owner Manual

The X-30 marine engine comes with unique design
of pop-off pressure for the incoming gas, there is a
pulse nipple has been installed on the M-39X
carburetor with a pulse-line connection to the X-30
billet reed case for delivery the pressure from engine
to M-39X for the most smooth and effective gas
conveying.

A: Air pressure intake pulse nipple on carburetor.
B: Air pressure outlet nipple #1 (could be straight
nipple) for either carburetor or water pump.
C: Air pressure outlet nipple #2 for either carburetor
or water pump.
D: Pressure tube between #A to #B or #C.
E: Gas intake nipple for connecting the tube to
delivery the gas from gas tank to carburetor.

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