Effectivity 912/914 Series
Edition 1 / Rev. 0
page 13
May 01/2007
d02623
73-00-00
BRP-Rotax
Maintenance Manual
On its way from the float chamber to the venturi, the fuel passes through the main
jet (7), the mixing tube and the needle jet and in the diffuser tube (8) is pre-mixed
with air which is brought in from the air filter via the air duct (9) and the atomizer
in an annular flow around the needle jet. This air flow assists the atomizing
process and favors fuel distribution in the manifold.
The jet needle (10), which is responsible for part load, is kept in the defined
position by the retaining clip (11).
14
13
11
9
16
4
15
8
10
12
1
3
6
7
5
2
02931
Fig. 73-6
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