Great Planes Ultra Sport 40 ARF Red - GPMA1005 - Manual (Page 13)

Engine Installation
(2-stroke Engine.)
Install the Engine Mount
1. Fasten the adjustable engine mount to the firewall
using four 6-32 x 3/4" machine screws. Slide the mount
halves apart until the engine mounting lugs will sit flat on
the beams. Tighten the four 6-32 x 3/4" machine screws to
hold the mount halves in position. Important: Use thread
lock to secure the machine screws into the blind nuts.
Mount the Engine
3. Put a drop of oil in each hole and install the engine
using the four #6 x 3/4" sheet metal screws provided.
Engine Installation
(4-stroke Engine.)
Drill the Mount
1. Trial f i t the cowling and spinner. Strive for
Drill the Mount
2. The front of the drive washer should be 4-13/16" from
the firewall on all two cycle engines. Trial fit the cowling
and spinner and strive for approximately 3/32" clearance
between the spinner backplate and the cowling. If your
engine includes a template, tape the template on the
mount and mark the mounting holes. If your engine does
not include a template, place the engine on the mount and
make a mark through the lug holes. Drill a hole using a
7/64" drill bit at each mark.
approximately 3/32" clearance between the spinner
backplate and the cowling. If your engine includes a
template, tape the template on the mount and mark the
mounting holes. If your engine does not include a
template, place the engine on the mount and make a mark
through the lug holes. Drill a hole using a 7/64" drill bit at
each mark.
Mount the Engine
2. Put a drop of oil in each hole and install the engine
using the four #6 x 3/4" sheet metal screws provided.
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