Crankshaft Assembly - Yamaha EF3000iSE Service Manual

PISTON, CONNECTING ROD, CRANKSHAFT AND
SVU3750J
CRANKCASE

CRANKSHAFT ASSEMBLY

1. Make sure that the end gap of each piston
ring is positioned, as shown in the illustra-
tion.
Top ring
2nd ring
Oil ring
SVU3730J
2. Install:
• Piston ring compressor 1
Piston ring compressor:
SVU3740J
3. Install:
• Connecting rod 1
• Piston 2
NOTE:
• Make sure that the "
ton head faces toward the push rod.
• Make sure that the "YAMAHA" mark b on
the connecting rod faces toward the crank-
case cover.
4. Install:
• Crankshaft
• Connecting rod cap
NOTE:
Make sure that the "
necting rod is aligned with the "
the rod cap.
Connecting rod cap bolt:
SVU3760J
5. Install:
• Camshaft
• Crankcase cover
Refer to "CRANKCASE COVER AND
CAMSHAFT".
3-44
ENG
a
b
c
YU-33294, 90890-05158
" mark a on the pis-
" mark a on the con-
12 Nm (1.2 m · kg, 8.7 ft · lb)
" mark b on