Removing The Head; Head Inspection - Yamaha FZ-16 2015 Service Manual

REMOVING THE HEAD

1. Align:
"I" in the magneto rotor "a"
• The brand
(With the stationary mark "b" on the cover
Magneto)
a. Turn the crankshaft counterclockwise.
b. When the piston is in neutral
higher (PMS) on the compression stroke,
align the "I" of the timing sprocket "c" with the
stationary mark "d" on the plate holding the
camshaft.
2. Loosen:
• Screw the timing sprocket
NOTE:
While holding the magneto nut with a wrench "2",
loosen the screw on the camshaft sprocket.
1
b
to
d
c
d
c
"1".
5-7
2
3. Remove:
Camshaft sprocket.
•
NOTE:
To prevent the chain from falling into the
crankcase, with a cable hold.
4. Remove:
Butt.
•
NOTE:
•Loosen the screws in the correct sequence, as
shown.
•Loosen each bolt 1/2 turn each time. When all
bolts are completely loose, remove them.
4 4
6
6
3
5
5

HEAD INSPECTION

1. Delete:
Carbon deposits from the chamber
•
combustion (with a rounded scraper).
NOTE:
Do not use sharp instrument to avoid damage or
scratches in:
•Spark plug thread
Valve seats.
•
CULATA
2
2
1