Yamaha FJR1300A(D) - Page 392

CONNECTING RODS AND PISTONS
5-91
TIP
• Apply engine oil onto the piston pin.
• Make sure that the “Y” mark “a” on the connect-
ing rod is facing to the left when the punch
mark “b” on the piston is pointing up. Refer to
the illustration.
• When installing a piston pin clips so that the
clip ends are 3 mm (0.12 in) “c” or more from
the cutout in the piston.
• Reinstall each piston into its original cylinder
(numbering order starting from the left: #1 to
#4).
3. Offset:
• Piston ring end gaps
4. Lubricate:
•Piston
• Piston rings
• Cylinder
(with the recommended lubricant)
5. Lubricate:
• Bolt threads
• Nut seats
(with the recommended lubricant)
6. Lubricate:
• Crankshaft pins
• Big end bearings
• Connecting rod inner surface
(with the recommended lubricant)
7. Install:
• Big end bearings
• Connecting rod assembly “1”
(into the cylinder and onto the crankshaft pin)
• Connecting rod cap
(onto the crankshaft pin)
TIP
• Align the projections on the big end bearings
with the notches in the connecting rods and
connecting rod caps.
• Be sure to reinstall each big end bearing in its
original place.
• While compressing the piston rings with piston
ring compressor “2”, install the connecting rod
assembly “1” into the cylinder with the other
hand.
• Make sure the “Y” marks “a” on the connecting
rods face towards the left side of the crank-
shaft.
• Make sure the characters “b” on both the con-
necting rod and connecting rod cap are
aligned.
a. Top ring
b. 2nd ring
c. Upper oil ring rail
d. Oil ring expander
e. Lower oil ring rail
A. Exhaust side
1
b
3
a
2
4
4
4
c
45˚
90˚
90˚
b,e c
a,d
A
Recommended lubricant
Engine oil
Recommended lubricant
Molybdenum disulfide oil
Recommended lubricant
Engine oil
Piston ring compressor
90890-05158
YM-08037