Mercury 20 User Manual

INSTALLATION
18
Installing Outboard
NOTE: If your outboard is a remote control electric start model, follow instructions in the outboard installation
manual (provided with the outboard) for installing remote steering, shift and throttle cables and remote wiring
harness.
BOAT TRANSOM HEIGHT REQUIREMENT
1. Measure the transom height of your boat. The boat bottom should be aligned or be within 25 mm
(1 in.) above the anti‑ventilation plate of the outboard.
ob00502
a
a - Anti‑ventilation plate
INSTALLING OUTBOARD ON TRANSOM
1. Place outboard on center line of transom.
ob00446
2. Tighten transom clamp screws.
ob00503
3. To prevent loss of outboard overboard, fasten outboard by drilling two 7.9 mm (5/16 in.) holes through
the transom using transom clamp holes as a template. Fasten with two bolts, flat washers and locknuts.
Use a marine waterproofing sealer in holes and around bolts to make the installation water tight.

Mercury 20 Specifications

General

Exhaust	Through Prop
Starting	Manual
Steering	Tiller
Shaft Length	15"
Horsepower	20 HP