Specifications

Fuel System
The main jet
screws into the
central column,
retaining the
emulsion tube.
• Main jets on the
Series 650 bear
a “*75” marking
• Main jets on the
smaller engines
bear a “*50”
marking
Emulsion tube
Main jet
Series 650: Series 350/450:
“*75” “*50”
Emulsion air port:
Main jet
Emulsion air
Port: Pilot jet