Assembling The Piston And Cylinder Block - Yamaha F200C Service Manual

NOTE:
Install the oil seals using a general pipe of the
proper size.
Screw 3:
4 N·m (0.4 kgf·m, 2.9 ft·lb)
Assembling the piston and cylinder
block
1. Assemble the piston 1, connecting rod
2, piston pin 3, and new piston pin clips
4.
NOTE:
• Face the mark a on the connecting rod in
the same direction as the "UP" mark b on
the piston, which you made during disas-
sembly.
• Always use new piston pin clips, and do not
allow the piston pin clip end to align with the
piston pin slot c.
2. Install the oil ring 5, second ring 6, and
top ring 7 to the piston with the "R" mark
d of the second ring and the "RN" mark
d of the top ring facing upward.
3. Offset the piston ring end gaps as
shown.
69J1D11
#5
#4
#3
#2
E
CAUTION:
Do not scratch the piston or break the pis-
ton rings.
NOTE:
After installing the piston rings, check that
they move smoothly.
4. Install the upper half of the bearing into
the connecting rod 2 and the lower half
into the connecting rod cap 8.
5. Insert the projection e of the bearing into
the slot on the cap and connecting rod.
NOTE:
Install the connecting rod bearings in their
original positions.
Cylinder block
45° 45°
#2
#3
UP
#1,#4 #5
#1
R
S60C5E90
5-56
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