Yamaha XT660R S Service Manual page 107

CHANGING THE ENGINE OIL
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9. If the oil filter element is also to be replaced,
perform the following procedure.
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a. Remove the oil filter element cover 1 and
oil filter element 2.
b. Check the O-rings 3 and replace them if
they are cracked or damaged.
c. Install the new oil filter element and the oil
filter element cover.
Oil filter element cover bolt
10 Nm (1.0 m · kg, 7.2 ft · lb)
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10.Check:
• engine oil drain bolt gasket
Damage → Replace.
11.Install:
• engine oil drain bolt (crankcase)
(along with the gasket)
• engine oil drain bolt (oil tank)
(along with the gasket)
• oil filter element drain bolt
12.Fill:
• oil tank
(with the specified amount of the recom-
mended engine oil)
CAUTION:
_
The engine oil tank must be filled with
engine oil in two steps. First, fill the engine
oil tank with 1.9 L (1.67 Imp qt, 2.00 US qt)
of the recommended engine oil. Then, start
the engine, race it five or six times, turn it
off, and then add the remainder of the
engine oil.
Quantity
Total amount
2.90 L (2.55 Imp qt, 3.07 US qt)
Without oil filter element
replacement
2.50 L (2.20 Imp qt, 2.64 US qt)
With oil filter element replace-
ment
2.60 L (2.29 Imp qt, 2.75 US qt)
CHK
ADJ
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L LLL L L LLL L L LLL L
30 Nm (3.0 m · kg, 22 ft · lb)
18 Nm (1.8 m · kg, 13 ft · lb)
10 Nm (1.0 m · kg, 7.2 ft · lb)
MMM
LLL