Checking The Engine Start Switch And Engine Stop Switch/Engine Shut-Off Switch; Checking The Pilot Water Outlet; Test Run; Break-In - Yamaha FT50C Service Manual

GEN
INFO
4. Check that the trim meter points down
when the outboard motor is tilted all the
way down.
Checking the engine start switch and
engine stop switch/engine shut-off
switch
1. Check that the engine starts when the
engine start switch is turned to START.
2. Check that the engine turns off when the
engine start switch is turned to OFF.
3. Check that the engine turns off when the
engine stop switch is pushed/engine
shut-off cord is pulled.

Checking the pilot water outlet

1. Check that cooling water is discharged
from the pilot water outlet.

Test run

1. Start the engine, and then check for
smooth gearshift operation.
2. Check the engine idle speed after the
engine has been warmed up.
3. Operate at trolling speed.
1-29
General information
4. Run the outboard motor for one hour at
2,000 r/min or at half throttle, then for
another hour at 3,000 r/min or at 3/4
throttle.
5. Check that the motor will not tilt up when
shifting into reverse and that water will
not flow in over the transom.
NOTE:
The test run is part of the break-in operation.

Break-in

During the test run, perform the break-in
operation in the following four stages.
1. Ten minutes a at trolling speed.
2. Fifty minutes b at 3,000 r/min or at
approximately half throttle.
3. One hour c at 4,000 r/min or 3/4 throttle
and one minute out of every ten at full
throttle.
4. Eight hours d at any speed, however,
avoid running at full speed for more than
five minutes.
0
1
È Hour

After test run

1. Check for water in the gear oil.
2. Check for fuel leakage in the cowling.
3. After a test run and while the engine is at
idle, flush the cooling water passage with
fresh water using the flushing kit.
2 10
S62Y1580K
62Y5A11