GASOLINE ENGINE 8.1 S INBOARD MODELS
Page 52 of 58
Predelivery Preparation
NOTICE
Before starting Predelivery read General Information and Installation Require-
ments completely.
Battery Connection
IMPORTANT: Engine electrical system is negative (–) ground.
1. Connect engine POSITIVE (+) battery cable (usually RED) to POSITIVE (+) battery
terminal.
2. Connect engine NEGATIVE (–) battery cable (usually BLACK) to NEGATIVE (–) battery
terminal.
3. Make sure that all battery terminal connections are tight and then coat connections and
terminals with a battery terminal anti-corrosion spray to help retard corrosion.
Test Running Engine
WARNING
If engine is to be tested on land, propeller must be removed.
CAUTION
If engine is to be tested on land, water must be supplied to seawater pickup pump.
DO NOT run engine above 1500 rpm.
Boat In The Water Tests
IMPORTANT: Engine alignment MUST BE CHECKED with boat in the water, fuel tanks
filled and a normal load on board.
WIDE OPEN THROTTLE TEST
IMPORTANT: To operate engine at full throttle before the break-in period is complete,
follow this procedure.
1. Start engine and operate at idle rpm until normal operating temperature is reached.
2. Run boat up on plane.
3. Advance engine rpm (in 200 rpm increments) until engine reaches its maximum rated
rpm.
To test if the correct propeller has been installed, operate boat (with normal load on board)
at WOT and check rpm with an accurate tachometer. Engine rpm should be near top of the
specified range so that, under a heavy load, engine speed will not fall below specifications.
If engine speed is too high, replace propeller with a higher pitch propeller.
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