Joyner JNSZ650DLB Owner's Manual And Parts Manual page 44

1. Remove two bolts(M8) on the lower mud plate of transmission (See Figure 33,Figure
34)
Bolt M8
Bolt M8 Oil pan
Oil pan
Figure 33
Figure 34
2. Remove the lower mud plate (See Figure 35).
Oil pan Mud plate
Figure 35
3. Remove the transmission (See Figure 36,Figure 37)
Engine
Transmission
Figure 36
Figure 37
4. Remove upper mud plate (See Figure 38)