Yamaha MM700A, Manual, Page: 77 / 282

LUBRICATION, AND TUNE-UP 71
d. Remove the reserve
tank
cap and fill the until
the level reaches the mark.
Make sure the carburetor valve (Figure 28)
is in the open position.
Run the engine at a fast idle for 2-3 minutes to purge
the cooling system of trapped air.
Check the reserve tank level.
Coolant
Change the coolant seasonally. only a high quality
ethylene glycol-based coolant designed for aluminum en-
gines. Mix the coolant with water in a
ratio. Coolant
capacity
IS
listed in Table mixing antifreeze with
water, make sure to use only soft or distilled water. Never
use tap or salt water because this damages engine parts.
Distilled water can be purchased at supermarkets in gallon
containers.
Always mix in the proper ratio
the coldest temperature in your
change
Completely drain and refill the cooling system once a
year.
Use only a high ethylene glycol anti-
freeze for use with
engines. not an
Perform the following procedure when the engine is
cold.
Do not spill on painted surfaces
will the
immediately with soapy water rinse
with
Park the snowmobile on a level surface.
2. Open the shroud.
3. Remove the muffler and exhaust pipe as described in
Chapter Five.
Remove the exhaust manifold (Figure
5. Turn the carburetor heater valve (Figure 28) to the
open position.
Do remove cap (Figure
the engine hot.
Remove the coolant cap (Figure 26).
The has
Place a container underneath the engine.
Remove the upper, right mounting bolt on the water
(Figure which as a drain for the en-
gine. Allow the coolant to drain.