Inspection Piston Pin; Install Piston And Cylinder - Yamaha FZ-16 2015 Service Manual

3.
Measure:
• Distance between centers of rings
OOS R e p l a c e ‫ ו י‬the
piston rings.
NOTE:
The opening of the oil ring spacer can not be
measured. In case the oil ring opening is
excessive, replace the three segments as a
whole.
Piston Rings
Top Ring
Distance between tips of ring
(Installed)
0.10 to 0.25 mm
Limit
0.40 mm
Second ring
Distance between tips of ring
(Installed)
0.10 to 0.25 mm
Limit
0.40 mm
Ring oil
Distance between tips of ring
(Installed)
0.20 to 0.70 mm

INSPECTION PISTON PIN

1.
Check:
•
Piston pin
Blue discoloration / grooves Replace ‫וי‬
piston pin and then check the lubrication
system
2.
Measure:
Outer diameter of piston pin "a" Out of
•
specification Replace ‫וי‬
piston pin
Outer diameter of piston pin
14995-15000 mm
Limit
14,975 mm
CILINDRO Y PISTÓN
3. Measure:
•
Inner diameter of the piston pin hole "a"
Out of specification Replace piston ‫וי‬
Bore piston pin hole
15002-15013
Limit
15,043 mm
4. Calculate:
Piston pin clearance - inner diameter of piston
•
pin
piston pin and the piston as a whole.
• Piston pin clearance - inner diameter of piston
pin bore = piston pin hole "b" - Outer diameter

Install piston and cylinder

1.
Install:
•
Top ring "1"
• Second ring "2"
• Oil ring expansion "3"
• Oil lower guide ring "4"
• Oil Ring top guide "5"
NOTE:
Be sure to install the piston rings so that the
manufacturer's marks or numbers
are up.
5-24
OOS ‫ וי‬Replace
of piston pin "a"