Yamaha WaveRunner FX SHO Service Manual page 237

POWR
Crankcase, connecting rod, and piston
a
d
90˚
3
2
1
1
a
È
c
b
E
b
1
5-112
3. Offset:
• Piston ring end gap
a Top ring, oil ring expander spacer
b 2nd ring
c Upper oil ring rail
d Lower oil ring rail
È Intake side
4. Install:
• Connecting rod bearings 1
• Connecting rod cap 2
• Connecting rod assembly 3
Installation steps:
1. Clean the bearings and connecting rod big
end.
2. Install the upper bearing into the connect-
ing rod assembly 3 and lower bearing into
the connecting rod cap 2.
NOTE:
• Install the connecting rod bearings in their
original positions.
• Insert the projections a of the bearings into
the slots in the connecting rod cap and con-
necting rod.
• Align the characters b on the connecting rod
cap and connecting rod.
3. While compressing the piston rings with
the special service tool, install the con-
necting rod assembly into the cylinder.
Piston ring compressor:
YM-08037/90890-05158
5. Tighten:
• Connecting rod nuts 1
NOTE:
Use a commercially available angle gauge to
tighten the nuts to the specified angle.
Connecting rod nut:
1st: 51 N·m (5.1 kgf·m, 37.6 ft·lb)
2nd: 90°
E
1
2
3
4
5
6
7
8
9