Removing The Connecting Rods; Removing The Crankshaft Journal Bearings; Checking The Crankshaft And Connecting Rods - Yamaha TMAX 2020 Service Manual

EAS30415

REMOVING THE CONNECTING RODS

The following procedure applies to all of the con-
necting rods.
1. Remove:
• Connecting rod cap "1"
• Connecting rod "2"
• Big end bearing
TIP
Identify the position of each big end bearing so
that it can be reinstalled in its original place.
2
EAS30419
REMOVING THE CRANKSHAFT JOURNAL
BEARINGS
The following procedure applies to both of the
crankshaft journal bearings.
1. Remove:
• Crankshaft assembly
• Crankshaft journal bearing "1"
TIP
Remove the crankshaft journal bearing using the
plane bearing installer "2".
Plane bearing installer
90890-04139
1
TIP
Identify the position of each crankshaft journal
bearing so that it can be reinstalled in its original
place.
EAS30423
CHECKING THE CRANKSHAFT AND
CONNECTING RODS
1. Measure:
• Crankshaft runout
Out of specification  Replace the crank-
shaft.
2. Check:
• Crankshaft journal surface
• Crankshaft pin surface
• Bearing surface
Scratches/wear  Replace the crankshaft.
5-75
CRANKSHAFT
Runout limit
0.030 mm (0.0012 in)