Inspection Of The Head - Yamaha FZ-16 Service Manual

REMOVING THE HEAD
1. Align:
• The mark
"I" in the rotor magnet "a"
(With the stationary mark "b" on the cover
Magneto)
a.
Rotate the crankshaft counterclockwise.
b.
When the piston is in the neutral
upper (PMS) in the compression stroke,
align the "I" of the timing sprocket
"C" with the stationary mark "d" on the plate
Retention of the camshaft.
2. Loosen:
• Screw the timing sprocket "1".
NOTE:
While holding the nut with a magnet
key "2", loosen the screw on the pinion shaft
cams.
3.
Remove:
•
Camshaft sprocket.
NOTE:
To prevent the falling timing chain
into the crankcase, hold it with a cable.
b
4.
Remove:
•
Stock.
NOTE:
•
Loosen the screws in the correct sequence,
to
as shown.
•
Loosen each bolt 1/2 turn each time.
After all screws are fully
loose, remove them.
d
c
d

INSPECTION OF THE HEAD

1.
Delete:
c
•
Carbon deposits from the chamber
combustion (with a scraper round).
NOTE:
Do not use sharp instruments to prevent damage
or scratches in:
•
Spark plug thread
•
Valve seats.
5-7
1
2
2
4
6
2
1
3
5
HEAD