Yamaha F225F, Service Manual

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