11-86 DF140 “K2” (’02) MODEL
Reverse gear
back up shim
LOWER UNIT GEARS-SHIMMING AND ADJUSTMENT (Counter rotation model)
1
Numerical
index/item
Available
thickness
(mm)
Design
specification
Thickness
(mm)
Pinion gear
back up shim
0.60, 0.65, 0.70, 0.75, 0.80,
0.85, 0.90, 0.95, 1.00, 1.05,
1.10, 1.15
1.0
Forward gear
back up shim
0.8
Propeller shaft
thrust shim
0.60, 0.70, 0.80, 0.90, 0.95,
1.00, 1.05, 1.10, 1.15
1.0
1.0
2
3
4
Shim/Washer & Mounting position
0.60, 0.65, 0.70, 0.75, 0.80,
0.85, 0.90, 0.95, 1.00
0.8, 0.9, 1.0, 1.1, 1.2, 1.3, 1.4
If lower unit has been rebuilt or has had components replaced, shimming for correct gear contact and
backlash will have to be adjusted to ensure smooth, reliable operation of gears.