Hangar 9 85cc Sukhoi SU-26MM Assembly Manual page 24


Step 15
Mount the switch for the ignition system on the side of the
fuselage as shown.
24

Step 16
Attach the Pitts-style muffler to the engine at this time.

Step 17
Remove the material from the cowling to clear the exhaust
system and to provide cooling air to pass over the engine.