Mercury Optimax 135 Service Manual

OUTBOARD MOTOR INSTALLATION
90-855347R1 JANUARY 1999 Page 1D-3
Installing Outboard
Drilling Outboard Mounting Holes
1. Attach (tape) engine mounting template (located with the installation manual) to boat
transom.
IMPORTANT: If using “Transom Drilling Fixture” (part number 91-98234A2), use
drill guide holes marked “A” when drilling outboard mounting holes.
b
a
a-Centerline of Transom
b-Transom Drilling Fixture (91-98234A2)
2. Mark and drill four 17/32 in. (13.5mm) mounting holes.

Mercury Optimax 135 Specifications

General

Engine Type	V6
Horsepower	135 HP
Fuel Induction System	2-stage direct fuel injection
Full Throttle RPM Range	5000-5750 RPM
Alternator Output	60 amp / 756 watt
Starting System	Electric
Steering	Remote
Dry Weight	431 lbs
Shaft Length	20", 25"