2012 YAMAHA YFZ450R engine

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Page 103 of 154

YAMAHA YFZ450R 2012  Owners Manual 8-17
8
TIPTo achieve the proper engine oil temperature for
an accurate oil level reading, the engine must have
first completely cooled down, and then warmed up
again for several minutes to normal oper

Page 104 of 154

YAMAHA YFZ450R 2012  Owners Manual 8-18
8
TIPWhen adding oil, be careful not to overfill the en-
gine oil tank; the oil level rises faster starting from
the half-level mark on the dipstick.6. Insert the dipstick into the engine oil tan

Page 105 of 154

YAMAHA YFZ450R 2012  Owners Manual 8-19
8
6. Remove the crankcase engine oil drain bolt
and its gasket.
TIPSkip steps 7 –10 if the oil filter element is not being
replaced.7. Remove the oil filter element cover by remov- ing the bolt

Page 107 of 154

YAMAHA YFZ450R 2012  Owners Manual 8-21
8
11. Install the crankcase engine oil drain bolt, the
engine oil tank drain bolt and their new gasket,
and then tighten the bolts to their specified
torques.
12. Refill with the specified amount

Page 108 of 154

YAMAHA YFZ450R 2012  Owners Manual 8-22
815. Install the engine guard by installing the bolts,
and then tighten them to the specified torque.
NOTICE:  Be sure to apply LOCTITE
® to the
engine guard bolts before installing them.
[ECB00

Page 109 of 154

YAMAHA YFZ450R 2012  Owners Manual 8-23
8
3. If the coolant is at or below the minimum level
mark, remove the coolant reservoir cap, add
coolant or distilled water to the maximum level
mark, and then install the reservoir cap.
NOTICE:

Page 111 of 154

YAMAHA YFZ450R 2012  Owners Manual 8-25
8
6. Remove the wing bolt and washer from the air
filter element.
7. Remove the sponge material from the air filter element frame. 8. Wash the sponge material gently but thor-
oughly in solvent.

Page 113 of 154

YAMAHA YFZ450R 2012  Owners Manual 8-27
8
15. Insert the air filter element into the air filter
case, and then tighten the wing bolt.  NOTICE:
Make sure that the air filter element is
properly seated in the air filter case. Never
opera
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