2010 Yamaha Motorsports Apex LTX GT Owners Manual - Page 61

2010 Yamaha Motorsports Apex LTX GT Manual

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Periodic maintenance and adjustment 2. 3. Remove the top cover. (See page 43 for removal procedures.) Check the coolant level in the coolant recovery tank when the engine is cold. If the coolant level is below the "COLD LEVEL" mark, add coolant until it reaches the "COLD LEVEL" mark. (See the following section "Replenishing the coolant" for more details.) NOTICE: If coolant is not available, use distilled water or soft tap water instead. Do not use hard water or salt water since it is harmful to the engine. If water has been used instead of coolant, replace it with coolant as soon as possible, otherwise the cooling system will not be protected against frost and corrosion. If water has been added to the coolant, have a Yamaha dealer check the antifreeze content of the coolant as soon as possible, otherwise the effectiveness of the coolant will be reduced. [ECS00492] 1. "COLD LEVEL" mark 4. Install the top cover. Bleeding the cooling system The cooling system must be bled if the coolant reservoir becomes empty, if air can be seen in the cooling system, or if there is a cooling system leak. Consult a Yamaha dealer. ECS00500 NOTICE Operating the engine with an improperly bled cooling system can cause overheating and severe engine damage. Replenishing the coolant 1. 2. 3. Place the snowmobile on a level surface and apply the parking brake. Remove the top cover. (See page 43 for removal procedures.) Remove the coolant reservoir cap, fill the reservoir with the recommended coolant, and then install the cap. 55

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Periodic maintenance and adjustment
55
2.
Remove the top cover. (See page 43 for
removal procedures.)
3.
Check the coolant level in the coolant re-
covery tank when the engine is cold. If the
coolant level is below the “COLD LEVEL”
mark, add coolant until it reaches the
“COLD LEVEL” mark. (See the following
section “Replenishing the coolant” for
more details.)
NOTICE:
If coolant is not
available, use distilled water or soft
tap water instead. Do not use hard wa-
ter or salt water since it is harmful to
the engine. If water has been used in-
stead of coolant, replace it with cool-
ant as soon as possible, otherwise the
cooling system will not be protected
against frost and corrosion. If water
has been added to the coolant, have a
Yamaha dealer check the antifreeze
content of the coolant as soon as pos-
sible, otherwise the effectiveness of
the coolant will be reduced.
[ECS00492]
4.
Install the top cover.
Bleeding the cooling system
The cooling system must be bled if the cool-
ant reservoir becomes empty, if air can be
seen in the cooling system, or if there is a
cooling system leak. Consult a Yamaha deal-
er.
NOTICE
ECS00500
Operating the engine with an improperly
bled cooling system can cause overheat-
ing and severe engine damage.
Replenishing the coolant
1.
Place the snowmobile on a level surface
and apply the parking brake.
2.
Remove the top cover. (See page 43 for
removal procedures.)
3.
Remove the coolant reservoir cap, fill the
reservoir with the recommended coolant,
and then install the cap.
1.
“COLD LEVEL” mark