Proper preparation
of the engine and fuel system is vital to the prevention of rust and
corrosion on precision engine parts
during storage. Whenever the snowmobile is stored
for a period of more than 60 days, the engine must be fogged with
fogging
oil. Follow the engine fogging instructions provided
on the can.
Always add Premium
Carbon Clean or a fuel conditioner/stabilizer to the fuel tank. Follow
the instructions on the can, running
the engine for five minutes to get additives through
the entire fuel system. Top off with fresh fuel.
| TIP |
| For easier starting after extended storage, add lubricant to the
fuel in the tank at a 40:1 ratio and run the engine for three
to five minutes before storage.
This will lubricate the fuel pump diaphragm to keep it flexible and
help prevent loss of prime. |
If stabilizer is
not used, drain the carburetors by removing the water trap drain plugs.
Catch fuel in a container or shop
cloth. Reinstall plugs securely. Observe all fire
safety rules when draining carburetors.
| TIP |
| Jet restriction caused by improper storage can cause lean conditions
and very poor slow speed driving quality. |
Using a fuel stabilizer
and topping off the fuel tank eliminates the need to drain the fuel
system. If you prefer to drain
the fuel tank, use the following procedure:
- Transfer unused fuel
from the fuel tank to an approved fuel container using a siphon pump.
Do not re-use fuel after storage.
- Securely support
the front of the snowmobile with a jack stand so the snowmobile is
elevated and the engine is tilted rearward.
- Remove the spark
plug(s).
- Rotate the engine
slowly, watching the piston until it’s at bottom dead center (BDC),
the lowest position in the cylinder.
On twin cylinder models, the opposite piston
will be up.
- Pour approximately
two ounces of POLARIS injector oil into the spark plug hole.
- Wait one to two minutes
and perform steps 3 to 5 on remaining cylinders.
- Replace the spark
plugs and lower the snowmobile to the floor.
