2003 Johnson ST 55 HP WRL 2 Stroke Commercial Service Manual, PN 5005483, Page 45Get this manual

2003 Johnson ST 55 HP WRL 2 Stroke Commercial Service Manual, PN 5005483, Page 45

INSTALLATION AND PREDELIVERY TRIM TAB ADJUSTMENT
TRIM TAB ADJUSTMENT&WARNING

Improper trim tab adjustment can cause difficult steering and loss of controlA propeller will generate steering torque when the propeller shaft is not running parallel to the water's surfaceThe trim tab is adjustable to compensate for this steering torque
IMPORTANT: single trim tab adjustment will
relieve steering effort under only one set of speed, outboard angle and load conditionsNo single adjustment can relieve steering effort under all speed, outboard angle and load conditionsIf the boat pulls to the left or right when its load is evenly distributed, adjust the trim tab as follows:

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