Yamaha MTN850-A 2017 Service Manual page 252

10.Turn:
• Crankshaft
(several turns counterclockwise)
11.Check:
• Mark "a"
Make sure the mark "a" on the generator rotor
is aligned with the generator rotor cover mark
"b".
• Camshaft punch mark "c"
Make sure the camshaft punch mark "c" on
the camshaft is aligned with the camshaft cap
alignment mark "d".
Out of alignment  Adjust.
Refer to the installation steps above.
b
a
c d
12.Measure:
• Valve clearance
Out of specification  Adjust.
Refer to "ADJUSTING THE VALVE CLEAR-
ANCE" on page 3-5.
13.Install:
• Timing mark accessing bolt "1"
Timing mark accessing bolt
15 N·m (1.5 kgf·m, 11 lb·ft)
• Crankshaft end cover "2"
Crankshaft end cover
10 N·m (1.0 kgf·m, 7.2 lb·ft)
14.Install:
• Timing chain guide (top side)
• Cylinder head cover gasket "1"
• Cylinder head cover
TIP
• Apply Three Bond No.1541C® onto the mating
surfaces of the cylinder head cover and cylin-
der head cover gasket.
• After installing the cylinder head cover gasket
"1" to the cylinder head cover, cut off the "a"
section.
d
c
a
15.Install:
• Spark plugs
• Ignition coils "1"
5-17
CAMSHAFTS
1
Cylinder head cover bolt
10 N·m (1.0 kgf·m, 7.2 lb·ft)
Spark plug
13 N·m (1.3 kgf·m, 9.4 lb·ft)
2
New
1