Yamaha YZF-R1 98 Service Manual page 208

CONNECTING RODS AND PISTONS
4 - 72
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.
• M ake sure that the " Y" m ark a on the
connecting rod faces left w hen the
arrow m ark b on the piston is pointing
up. Refer to the illustration.
• Reinstall each piston into its original
cylinder (num bering order starting
from the left: #1 to #4).
3. Offset:
• piston ring end gaps
a Top ring
b Low er oil ring rail
c Upper oil ring rail
d 2nd ring
Å Intake side
4. Lubricate:
• piston
• piston rings
• cylinder
(w ith the recom m ended lubricant)
Recommended lubricant
Engine oil
5. Lubricate:
• bolt threads
• nut seats
(w ith the recom m ended lubricant)
Recommended lubricant
Molybdenum disulfide grease
ENG
New