2009-2010 Suzuki DF70A DF80A DF90A Outboard Service Manual, Page 278Get this manual
2B-12 Power Trim and Tilt:
Setting Tilt Up Limit Position
If the outboard motor contacts the motor well of the boat during full tilt up operation, the upper limit setting should be resetPerform this set-up after the current position setting has been canceled, as explained in the following procedure
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5) Press the "UP" side of the PTT switch for three seconds and the buzzer will sound twice briefly indicating the setting has been canceled