OUTBOARD MOTOR INSTALLATION
Page 1D-12 90-826883R2 JUNE 1998
Placing Tilt Pin in Upper Holes
1. Lift the bow out of the water.
2. Generally increase top speed.
3. Increase clearance over submerged objects or a shallow bottom.
4. Increasesteeringtorqueorpulltotheleft at a normal installation height(with thenor-
mal right hand rotation propeller).
5. In excess, cause boat “porpoising” (bouncing) or propeller ventilation.
Trim Tab Adjustment
Propellersteeringtorquemaycauseboattopullinonedirection.Thissteering torque re-
sults from outboard not being adjusted so the propeller shaft is parallel to the water sur-
face.Thetrimtabcanhelpcompensateforthissteeringtorqueandcanbeadjustedwithin
limits to reduce any unequal steering effort.
NOTE: Trim tabadjustment will have little effect reducing steering torque if the outboard
is installed with the anti-ventilation plate approximately 2 inches (50mm) or more above
the boat bottom.
Operateboatatnormalcruisingspeed,withtheoutboardsetatthedesiredtransomangle
adjustment. Turn boat left and right and note the direction the boat turns more easily.
If adjustment is necessary, loosen trim tab bolt and make small adjustments at a time. If
the boat turns more easily to the left, move the trailing edge of trim tab to the left. If the
boatturns moreeasilyto therightmove thetrailingedge of trimtabtothe right. Retighten
bolt and retest.
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