Seagull Models ZERO MS:123 Assembly Manual page 11

2) Use a pin drill and 4mm drill bit to drill a
small i ndentation i n t he mo unt f or t he e ngine
mounting screw.
3) Use a drill to drill the four holes in the engine
mount rails.
4.5mm.
4) On the fire wall has the location for the
throttle pusshrod tube (pre-drill).
Pushrod tube hole.
5) Slide the pushrod tube in the firewall and
guide it through the fuel tank mount. Use
medium C/A to glue the tube to the firewall and
the fuel tank mount.
6) Connect the Z-bend in the 450mm throttle
pushrod to the outer hole of the carburetor arm.
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4mm.
7) Slide the throttle pushrod wire into the tube.
Position the engine between the mounts. Use
four M4x30mm machine screws to secure the
engine to the mount as shown.
Machine screw M4x30mm.
8) Reinstall the servo horn by sliding the
connector over the pushrod wire. Center the
throttle stick and trim and install the servo horn
perpendicular to the s ervo center line.
9) Move the throttle stick to the closed position
and move the carburetor to closed. Use a 2.5mm
hex wrench to tighten the screw that secures
the throttle pushrod wire. Make sure to use
threadlock on the screw so it does not vibrate
loose.
Pushrod wire.
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