TOHATSU MX 50D2 Service Manual page 236

Power Unit
5-58
1
2
2. · Check if that main bearing rotates smoothly. Replace
crank shaft ass'y if necessary.
· Measure crank shaft deflection. Replace crank shaft if
the deflection is over the specified value.
Dial Gauge 1 : Commercially Available Item
V Block 2 : Commercially Available Item
Crank Shaft Deflection Limit :
0.05 mm (0.0020 in)
3. Replace crank shaft ass'y if the deflection is over the
standard value.
Connecting Rod Deflection Limit :
2.0 mm (0.0800 in)
GB
2st X50D2 2011