Engine & Fuel Tank Installation - THUNDER TIGER Piper J-3 Cub Assembly Manual

Install the throttle push-rod tube through the firewall and into the
radio compartment. (Photo 62)
Photo 62
Leave approximately 1/4" of the push-rod tube extending into the
engine compartment. Epoxy in place. (Photo 63)
Photo 63
Place the engine on the adjustable motor mount and locate the
front drive hub 4-13/16" from the firewall. Mark the mounting hole
locations on the motor mount. (Photo 64)
Photo 64
ENGINE & FUEL TANK INSTALLATION
Remove the engine and drill a 5/64" (2mm) hole at each of the
marks. (Photo 65)
Photo 65
Secure the engine to the motor mount using the 4 M3x20 self-tap-
ping screws provided. Secure the adjustable engine mount at this time
and make sure there is 2-degree right thrust angle. (Photo 66)
Photo 66
If installing the recommended Thunder Tiger F-54S engine, extend
the choke valve wire insuring that it is long enough to clear the cowl-
ing. (Photo 67)
Photo 67
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