Checking The Piston Pin; Installing The Piston And Cylinder - Yamaha 2016 Grizzly yfm700gplg Service Manual

Top ring
End gap (installed) limit
0.50 mm (0.0197 in)
2nd ring
End gap (installed) limit
0.70 mm (0.0276 in)
Oil ring
End gap (installed) limit
1.0 mm (0.04 in)
EBS30149

CHECKING THE PISTON PIN

1. Check:
• Piston pin
Blue discoloration/grooves → Replace the
piston pin, and then check the lubrication sys-
tem.
2. Measure:
• Piston pin outside diameter "a"
Out of specification → Replace the piston pin.
Piston pin outside diameter limit
22.974 mm (0.9045 in)
3. Measure:
• Piston pin bore diameter "b"
Out of specification → Replace the piston.
Piston pin bore inside diameter
limit
23.035 mm (0.9069 in)
b
CYLINDER HEAD, CYLINDER, AND PISTON
EBS30150

INSTALLING THE PISTON AND CYLINDER

1. Install:
TIP
Be sure to install the piston rings so that the
manufacturer's marks or numbers face up.
2. Install:
TIP
• Apply engine oil to the piston pin.
• Make sure the manufacturer's mark "a" on the
• Install the piston pin from the side of the piston
• Before installing the piston pin clips, cover the
3. Install:
4. Lubricate:
5-25
• Oil ring expander "1"
• Lower oil ring rail "2"
• Upper oil ring rail "3"
• 2nd ring "4"
• Top ring "5"
• Piston "1"
• Piston pin "2"
• Piston pin clips "3"
piston points towards the AC magneto side.
that has the manufacturer's mark "a".
crankcase opening with a clean rag to prevent
the clips from falling into the crankcase.
a
1
3 New
• Cylinder gasket
New
• Dowel pins
• Piston
• Piston rings
• Cylinder
(with the recommended lubricant)
1
2
New
2