Installing The Connecting Rods - Yamaha XV19SW Service Manual

7. Calculate:
• Crankshaft journal-to-crankshaft journal
bearing clearance
Out of specification → Replace the crank-
shaft and crankshaft journal bearings as a
set.
NOTE:
Calculate the clearance by subtracting the
crankshaft journal diameter from the crankshaft
journal bearing inside diameter.
Crankshaft journal-to-crankshaft
journal bearing clearance
0.030–0.060 mm (0.0012–0.0024
in)
EAS26150

INSTALLING THE CONNECTING RODS

1. Lubricate:
• Bolt threads
(with the recommended lubricant)
Recommended lubricant
Molybdenum disulfide grease
2. Lubricate:
• Crankshaft pins
• Big end bearings
• Connecting rod inner surface
(with the recommended lubricant)
Recommended lubricant
Engine oil
3. Install:
• Big end bearings
• Connecting rods
• Connecting rod caps
(onto the crankshaft pins)
NOTE:
• Align the projections "a" on the big end bear-
ings with the notches "b" in the connecting rods
and connecting rod caps.
• Be sure to reinstall each big end bearing in its
original place.
• Make sure the projection "c" on the connecting
rods face towards the left side of the crank-
shaft.
• Make sure the characters "d" on both the con-
necting rod and connecting rod cap are
aligned.
4. Tighten:
• Connecting rod bolts "1"
M MMM M MMM M M MMM M
EWA12890
WARNING
• Replace the connecting rod bolts with new
ones.
• Clean the connecting rod bolts.
NOTE:
The tightening procedure of the connecting rod
bolts is angle controlled, therefore tighten the
bolts using the following procedure.
5-105
CRANKSHAFT
M MMM M M MMM M M MMM M MMM