Flylight Nynja Build, Manual

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i) Push the rubber mounts firmly into their holes in the engine mounts. On the
upper plates position them so the male halves are fitted from outside to inside
– this makes changing them in situ much easier later in the life of the aircraft.
7.2 Mounting
a) Position the engine on the Nynja making sure you do not bump the CDI
pickups located on top of the flywheel.
Figure 126 engine mounts.
Support the engine on a bench, such as a workmate, chock it up to the
correct height, and offer the fuselage up to it. An engine hoist (which
can be hired from your local hire shop), or some other method of lifting
the engine may be used as an alternative.
Be careful how you support the engine, do not let its weight bear on any
of its many ancillary parts such as the spark plugs, filters etc.
Warning: do not let the engine tip forwards whilst connecting the
upper engine mounts to the mounting plates as damage will occur
to the rear of the engine.
b) Fix the upper starboard rubber engine mount between the two penny washers
with the long 140mm bolt.