Yamaha Tenere 700 2020, Руководство по обслуживанию

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CAMSHAFTS
5-17
NOTICE
ECA19980
Be sure to tighten the camshaft sprocket
bolts to the specified torque to avoid the
possibility of the bolts coming loose and
damaging the engine.
TIP
• Make sure that the mark “a” on the exhaust
camshaft sprocket is aligned with cam lobe #1
“b” as shown in the illustration.
• While holding the exhaust camshaft with a suit-
able tool, tighten the exhaust camshaft sprock-
et bolts.
• Tighten the camshaft sprocket bolts in the
tightening sequence as shown.
5. Install:
• Timing chain “1”
(onto the exhaust camshaft sprocket “2”)
• Exhaust camshaft
• Exhaust camshaft cap
NOTICE
ECA20930
• Lubricate the camshaft cap bolts with the
engine oil.
• The camshaft cap bolts must be tightened
evenly or damage to the cylinder head,
camshaft caps, and camshafts will result.
• Do not turn the crankshaft when installing
the camshaft to avoid damage or improper
valve timing.
TIP
• When installing the timing chain, start with the
exhaust camshaft and be sure to keep the tim-
ing chain as tight as possible on the exhaust
side.
• Make sure that the match marks “a” on the ex-
haust camshaft sprocket and cam lobe #1 “b”
are aligned with the cylinder head edge “c” as
shown in the illustration.
• Temporarily tighten the exhaust camshaft cap
bolts, and then tighten the bolts to specification
in a crisscross pattern.
6. Install:
• Timing chain “1”
(onto the intake camshaft sprocket “2”)
• Intake camshaft
• Intake camshaft cap
NOTICE
ECA20930
• Lubricate the camshaft cap bolts with the
engine oil.
• The camshaft cap bolts must be tightened
evenly or damage to the cylinder head,
camshaft caps, and camshafts will result.
• Do not turn the crankshaft when installing
the camshaft to avoid damage or improper
valve timing.
a. Install the timing chain onto intake cam-
shaft sprocket, and then install the intake
camshaft onto the cylinder head.
TIP
Make sure the match mark “a” on the intake
camshaft sprocket is aligned with the cylinder
head edge “b”.
1
a
b
1
1
2
1
a
T
R
.
.
Exhaust camshaft cap bolt
10 N·m (1.0 kgf·m, 7.4 lb·ft)
2
a
a
b
1
c