122 500 EFI Bravo
CB99
COLD WEATHER OR EXTENDED
STORAGE
Power Package Lay-up
IMPORTANT: This service should be performed by an Autho-
rized MerCruiser Dealer.
CAUTION
Avoid Engine or Stern Drive Damage: DO NOT operate engine
without water flowing thru seawater pickup pump, as pump
impeller may be damaged and subsequent overheating dam-
age to engine or stern drive unit may result.
IMPORTANT: Before starting engine a water source must be at-
tached to the seawater intake openings in gear housing. Follow
all warnings, and flushing attachment procedures stated, in
“FLUSHING COOLING SYSTEM”.
1 Run engine sufficiently to bring it up to normal operating tempera-
ture. Shut off engine and change oil and oil filter.
2 Flush cooling system. Refer to “Flushing Cooling System” proce-
dure shown earlier in this manual.
WARNING
Avoid Fire or Explosion: Be sure engine compartment is well
ventilated and no gasoline vapors are present during the fol-
lowing operation.
3 Prepare fuel system for extended storage as follows:
• Fill fuel tank(s) with fresh gasoline (that does not contain alcohol)
and a sufficient amount of Quicksilver Gasoline Stabilizer and
Conditioner to treat gasoline. Follow instructions on container.
• Remove flame arrestor and restart engine. While operating
engine at fast idle (1000-1500 rpm), fog internal surfaces of
engine by squirting approximately 8 ounces (227g) of Quicksilver
Storage Seal into throttle bores. Stall engine by squirting last 2
ounces (57g) of Storage Seal rapidly into throttle bore. Turn igni-
tion key to OFF position.
(continued on next page)
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