Reduction And Reversing Gear; Specifications - Yanmar 3YM30 Service Manual

10. Reduction and reversing gear

Marine gear KM2P-1 is applied to the 3YM30, 3YM20 and 2YM15 series engines.
Refer to chapter 10 in the service manual of the GM series engines for inspection, disassembly and
reassembly.

10.1 Specifications

Model
For engine models
Clutch
Reduction Forward
ratio
Reverse
Propeller shaft speed
(at continuous power, Forward) min
Direction of Input shaft
rotation
Output shaft
Remote Control head
control
Cable
Clamp
Cable connector
Output shaft Outer diameter
coupling
Pitch circle diameter
Connecting bolt holes
Position of shift lever, viewed from stern
Lubricating oil
Lubricating oil capacity
Dry mass
Constant mesh gear with servo cone clutch (wet type)
1580
-1
Forward
Reverse
176R1
10. Reduction and reversing gear
KM2P-1
3YM30, 3YM20, 2YM15
2.21 2.62
3.06 3.06
1332
Counter-clockwise, viewed from stern
Clockwise, viewed from stern
Counter-clockwise, viewed from stern
Single lever control
Morse. 33-C (cable travel 76.2 mm)
YANMAR made. standard accessory
YANMAR made. standard accessory
100 mm
78 mm
4 - 10.5 mm
Left side
API CC class, SAE #10W30
0.3 liters
9.8 kg
3.22
3.06
1083