Horizon Hobby HANGAR 9 Composite QQ Yak-54 2.6m Manuel D'utilisation page 61

fUEL TANK INSTALLATION fOR STOCK MUffLER
4
Using a drill and 1/8-inch and 7/32-inch drill bits, drill through location shown
in above picture for fuel vent line. Pass the vent line through the hole.
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5
Pass the vent line through the hole.
6
Mark the location shown in above picture. This is for the fill line. Make sure it
doesn't interfere with wing location.
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