Lotus TURBO ESPRIT Service Manual page 345

SECTION LA
Page
7
Power Jet Operation
(H
.
C
.
engines only)
At
high engine speeds, an additional amount of mixture flows through the needle jet
(52),
upstream the inner venturi
(50);
mixture is composed of fuel drawn from the float
chamber through channel
(56)
and metered by the jet
(55),
mixed with air metered by
the calibrated passage
(54)
and drawn from the float chamber top
(53).