Chapter 3: Air Intake and filter
28
• The gasket with the “D” shaped opening goes
between the insulator and the cylinder head,
matching the shape of the gasket to the shape of
the intake port.
• The bowl vent channel in the insulator faces the
carburetor, with the exit toward the bottom.
• There is a small hole in the insulator to carbure-
tor gasket. The hole should be aligned to allow
passage of air through the bowl vent channel to
the throttle side bowl vent in the carburetor body.
4. Install the insulator by following the above steps
in reverse order.
NOTE: Tighten the carburetor mounting nuts to
a torque of 88.5 in-lbs (10 Nm).
5. Test run the engine before returning to service.
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