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IO-360-N1A Engine Installation and Operation Manual
© 2016 Avco Corporation. All Rights Reserved
System Description
February 2016
Page 1
SYSTEM DESCRIPTION
The Lycoming IO-360-N1A engine (Figure 1) is a direct-drive four-cylinder, horizontally opposed,
fuel-injected, air-cooled engine. It has tuned induction, and a down exhaust.
NOTICE:
Refer to Appendix C for engine performance data.
Figure 1
IO-360-N1A
Cylinders
There are four cylinders on this engine. Each cylinder (Figure 2) contains a cylinder head, barrel,
piston, parallel intake and exhaust valve guides and valve seats, rocker shafts, rocker covers, and
fins.
Fuel and air enter the cylinder through the cylinder head for mixing and combustion within the
cylinder.
The engine has intercylinder cooling baffles.
Figure 2
Engine Cylinder