Drilling Outboard Mounting Holes - Mercury 225 OPTIMAX DTS Installation Manual

200/225 OPTIMAX DTS

Drilling Outboard Mounting Holes

IMPORTANT: Before drilling any mounting holes, carefully read Determining
Recommended Outboard Mounting Height and install outboard to the nearest
recommended mounting height.
1. Use transom drilling fixture or attach (tape) engine mounting template to boat
transom.
2. Mark and drill four 13.5 mm (17/32 in.) mounting holes.
3. Apply marine sealer to shanks of bolts, not the threads.
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