Yamaha FJR1300AS(X), Service Manual

Page: 418 / 754

CONNECTING RODS AND PISTONS
5-113
2. Install:
• Piston “1”
(onto the respective connecting rod “2”)
• Piston pin “3”
• Piston pin clips “4”
NOTE:
• 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 clip, make sure
that the clip ends are positioned away from the
cutout in the piston as shown in the illustration.
• 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)
NOTE:
• 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.
New
1
b
3
a
2
4
4
4
a. Top ring
b. Lower oil ring rail
c. Upper oil ring rail
d. 2nd ring
A. Intake side
Recommended lubricant
Engine oil
Recommended lubricant
Molybdenum disulfide oil
Recommended lubricant
Engine oil