Nautique Crossover 90490 - Manual (Page 182)

Section 10
10-6
Add a good quality fuel stabilizer to the fuel prior to winterizing to
slow down the rate of fuel decomposition. You can purchase a fuel
stabilizer at your servicing dealer, most marinas or an auto supply
store. Add the stabilizer to the tank.
If you did not add the stabilizer previously, run the engine to
circulate fuel throughout the system. Remember, always follow the
fuel stabilizer manufacturer’s recommendations for proper mixing.
NOTICE
Gasoline expands when the temperature increases. Never store your
boat with more than 3/4 of a tank.
Refer to the engine’s owner’s manual for winterization of the
engine.
Winterizing Ballast Tanks
(if equipped)
NOTICE
It is extremely important to protect the Flight Control System
during freezing temperatures and during long periods of non-use.
When following this procedure, remember to protect our natural
resources by using environmentally friendly products and to always
discard in an environmentally friendly manner.
1. Make sure your boat is out of the water, the tanks are
completely drained and the tank water intake/drain valves are
open.
2. Use a 50/50 mixture of an environmentally friendly antifreeze
and fresh water.
3. Pour an even amount, approximately 1 gallon (3.8 liters), of the
antifreeze mixture into each tank’s vent.
4. Place a container under the intake/drain of the tank you are
winterizing to catch any spilled mixture.
5. Operate the pump in the drain mode for two seconds and shut
off. Repeat procedure for other tank(s).
6. Close the tank’s water intake/drain valves.
When returning your boat back to service, drain the remainder of
the mixture before getting onto the water.
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