17
1.
Collect the following items:
(1) Cowl
(4) #4 x 1/2” screws
COWL INSTALLATION
You will have to remove any parts of the
cowl that rub against the engine. Make
these openings little at first and slowly
make them bigger till the cowl fits over the
engine without touching.
2.
Make a cutout in the bottom of the cowl to
clear the muffler, spark plug, and head.
mark for
cowl
mount
screws
3.
Take four scraps of paper about 1” wide and
three inches long and tape to the side of the
fuselage at the top and bottom of the piece
that overhangs the firewall on each side. This
is the position of the four cowl mounting
screws. Mark a mark on the paper that will be
in the center of the overhang.
Take another piece of paper about 7” x 2” and
make a cutout that will fit around the carb
intake. Tape to fuselage at rear.
4.
Fit the cowl back in place with the paper strips
on the outside.
Fit your spinner back plate in place and put a
1/8” shim between it and the cowl.Make sure
the front of the cowl is aligned with the spin-
ner, use tape to hold in place.
5.
Align the cowl at the rear making sure the
stripes are aligned. When satisfied with the fit,
transfer the mounting holes from the paper to
the cowl by running a 1/16” drill through the
cowl and into the fuselage side.
Mark the location of the carb intake through
the paper template.