Yamaha MTN1000 2016, Service Manual

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CAMSHAFTS
5-20
5. Tighten:
•
Camshaft cap bolts
TIP
• If the camshaft cap bolt is a new one, it is not
necessary to apply engine oil onto the mating
surface and threads of the bolt.
•
If the camshaft cap bolt is a new one, tighten it
to 10 N·m (1.0 kgf·m, 7.2 lb·ft).
• Tighten the camshaft cap bolts in stages and in
a crisscross pattern, working from the inner
caps out.
NOTICE
ECA17430
• 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.
NOTICE
ECA23010
There are two kinds of camshaft cap bolts
with different lengths. Be sure to install each
bolt onto the correct position.
6. Install:
• Timing chain tensioner
•
Timing chain tensioner gasket
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Using the valve spring compressor “1”, push
and insert timing chain tensioner rod “2” into
the timing chain tensioner housing.
TIP
Push the timing chain tensioner rod in direction
“a”, and turn the timing chain tensioner body “3”
in direction “b” until it stops.
Camshaft cap bolt
8 N·m (0.8 kgf·m, 5.8 lb·ft)
Camshaft cap bolt (new)
10 N·m (1.0 kgf·m, 7.2 lb·ft)
1 2 3 4
T
R
.
.
a. Camshaft cap bolt (black): 40 mm (1.57 in)
b. Camshaft cap bolt (silver): 35 mm (1.38 in)
A. Intake side
B. Exhaust side
Valve spring compressor
90890-04019
Valve spring compressor
YM-04019
a b a b
New
2
3
1
1
a
b