Yamaha YZF-R7 Owner's Service Manual page 203

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CONNECTING RODS AND PISTONS
2. Install:
• piston 1
(onto the respective connecting rod 2)
• piston pin 3
• piston pin clip 4
NOTE:
• Apply engine oil onto the piston pin.
• Make sure that the "Y" mark a on the
connecting rod faces left when the
arrow mark b on the piston is pointing
up. Refer to the illustration.
• Reinstall each piston into its original
cylinder (numbering order starting
from the left: #1 to #4).
Å Piston head
3. Offset:
• piston ring end gaps
a Top ring
b Lower oil ring rail
c Upper oil ring rail
d 2nd ring
Å Intake side
4. Lubricate:
• piston
• piston rings
• cylinder
(with the recommended lubricant)
Recommended lubricant
Engine oil
5. Lubricate:
• bolt threads
• nut seats
(with the recommended lubricant)
Recommended lubricant
MOLYKOTE
CAUTION:
ACHTUNG:
®
MOLYKOTE
grease, which should not be applied to
any part other than those specified.
4 - 71
ENG
New
®
G-n paste
"G-n" paste is a special