Yamaha Tracer MT09TRAH 2017 Service Manual page 318

7. Lubricate:
• Crankshaft pins
• Connecting rod big end bearing inner surface
(with the recommended lubricant)
Recommended lubricant
Engine oil
8. Install:
• Piston assemblies "1"
(into the cylinder "2" and onto the crankshaft
pin)
Piston installing tool
90890-04161
Piston installing tool
YM-04161
ECA21490
NOTICE
If the projection "a" of the piston installing
tool damages, you cannot use it. Please han-
dle with care.
TIP
Fit the projection "a" of the piston installing tool
"3" and blunt-edged part "b" of the cylinder, fix
the position of the piston installing tool, and then
push the piston up to the cylinder.
2
b
1
a
3
3
9. Install:
• Connecting rod caps
• Connecting rod bolts
TIP
• Make sure the "Y" marks "a" on the connecting
rods face towards the left side of the crank-
shaft.
• Make sure that the projection "b" on the con-
necting rod cap faces the same direction as the
"Y" mark "a" on the connecting rod.
• Apply Molybdenum disulfide oil to the bolt
threads and seats.
CONNECTING RODS AND PISTONS
10.Tighten:
TIP
Tighten the connecting rod bolts using the fol-
lowing procedure.
a. Tighten the connecting rod bolts with a torque
2
b. Put a mark "1" on the corner of the connecting
1
c. Tighten the connecting rod bolts further to
5-69
• Connecting rod bolts "1"
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
wrench.
Connecting rod bolt (1st)
20 N·m (2.0 kgf·m, 14 lb·ft)
rod bolt "2" and the connecting rod cap "3".
reach the specified angle 175–185.
Connecting rod bolt (final)
Specified angle 175–185
1