Predelivery check
10-7
Break-in
Operate the engine under load (in gear with a propeller installed)
f
or 10 hours.
—
For the first hour of operation:
Operate the engine at varying speeds up to 2000 r/min or approx-
imately 1/2 throttle.
—
For the second hour of operation:
Increase the engine speed until the boat is on plane (but do not
fully o
pen the throttle), and then back off on the throttle while
keeping the boat at a planing speed.
—
For the remaining 8 hours of operation:
Operate the engine at any engine speed. However, do not operate
the e
ngine at full throttle for more than 5 minutes at a time.
—
After the first 10 hours of operation:
Operate the engine normally.
—
After test run
Check for water in the gear oil.
Oil is milky
Check the lower case for airtightness and oil seal.
8-18
Check all the fuel lines for leakage.
Leaking Chec
k the connection or replace affected parts.
2-26
Flush the cooling water passages using fresh water. When using
the e
quipped flashing device, flush the cooling water passages
without starting the engine.
—
Item Procedures See