Lower Unit Technical Data; Lower Unit Assembly (Regular Rotation Model); Lower Unit Assembly (Counter Rotation Model) - Yamaha F225F Service Manual

Lower unit technical data

Lower unit assembly (regular rotation model)

Item
Lower unit
Holding pressure
Forward gear backlash (*1)
Reverse gear backlash (*1)
Pinion shim (T3)
Forward gear shim (T1)
Reverse gear shim (T2)
Propeller shaft shim (T4)
Propeller shaft
Motive torque
Runout
Drive shaft
Motive torque
Runout
(*1) Figures obtained using the special service tools.

Lower unit assembly (counter rotation model)

Item
Lower unit
Holding pressure
Forward gear backlash (*1)
Reverse gear backlash (*1)
Pinion shim (T3)
Forward gear shim (T2)
Reverse gear shim (T1)
Propeller shaft shim (T4)
Propeller shaft
Free play
Runout
Drive shaft
Motive torque
Runout
(*1) Figures obtained using the special service tools.
Power unit technical data / Lower unit technical data
Unit
F225F
kPa (kgf/
2
cm , psi)
mm (in)
mm (in)
mm 0.10, 0.12, 0.15, 0.18, 0.30, 0.40, 0.50
mm 2.00, 2.03, 2.06, 2.09, 2.12, 2.15
mm 0.10, 0.12, 0.15, 0.18, 0.30, 0.40, 0.50
mm
N·m (kgf·m,
0.44–1.32 (0.04–0.13, 0.32–0.97)
ft·lb)
mm (in)
N·m (kgf·m,
0.27–1.94 (0.03–0.20, 0.20–1.43)
ft·lb)
mm (in)
Unit
FL225F
kPa (kgf/
2
cm , psi)
mm (in)
mm (in)
mm 0.10, 0.12, 0.15, 0.18, 0.30, 0.40, 0.50
mm 0.10, 0.12, 0.15, 0.18, 0.30, 0.40, 0.50
mm 2.00, 2.03, 2.06, 2.09, 2.12, 2.15
mm 0.10, 0.12, 0.15, 0.18, 0.30, 0.40, 0.50
mm (in)
mm (in)
N·m (kgf·m,
0.27–1.94 (0.03–0.20, 0.20–1.43)
ft·lb)
mm (in)
Lower unit technical data
Model
F250D
68.6 (0.686, 9.9)
0.04–0.59 (0.0016–0.0232)
0.15–0.88 (0.0059–0.0346)
0.7, 0.8, 0.9, 1.0, 1.1, 1.2
0.02 (0.0008)
1.0 (0.0394)
Model
FL250D
68.6 (0.686, 9.9)
0.18–0.76 (0.0071–0.0299)
0.19–0.84 (0.0075–0.0331)
0.25–0.35 (0.0098–0.0138)
0.02 (0.0008)
1.0 (0.0394)
0
F300B
1
2
3
4
5
6
FL300B
7
8
9
10
A
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