Hangar 9 Composite QQ Yak-54 2.6m Instruction Manual page 62

fUEL TANK INSTALLATION fOR STOCK MUffLER
7
Using a drill and 1/8-inch drill bit, drill through the marked location.
62
8
Using a sanding drum and a drill or a rotary tool, open up the hole to 3/8-inch
.
9
Install the Hangar9 fuel filler and T.