Yamaha F150A - Lower Unit Technical Data; Lower Unit Assembly (Regular Rotation Model); Lower Unit Assembly (Counter Rotation Model)

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Lower unit technical data
Lower unit technical data
Lower unit assembly (regular rotation model)
Lower unit
Holding pressure 69.0 kPa (0.69 kgf/cm
2
, 10.0 psi)
Gear backlash
Forward gear backlash *1 F150AET 0.15–0.61 mm (0.0059–0.0240 in)
F150BET 0.15–0.68 mm (0.0059–0.0268 in)
Reverse gear backlash *1 F150AET 0.33–0.67 mm (0.0130–0.0264 in)
F150BET 0.33–0.74 mm (0.0130–0.0291 in)
Available shim thicknesses
Pinion shim (T3) 0.10, 0.12, 0.15, 0.18, 0.30, 0.40, 0.50 mm
Forward gear shim (T1) 0.10, 0.12, 0.15, 0.18, 0.30, 0.40, 0.50 mm
Reverse gear shim (T2) 0.10, 0.12, 0.15, 0.18, 0.30, 0.40, 0.50 mm
Propeller shaft
Runout 0.02 mm (0.0008 in)
Drive shaft
Runout 1.0 mm (0.04 in)
*1.Figures obtained using the special service tools.
Lower unit assembly (counter rotation model)
Lower unit
Holding pressure 69.0 kPa (0.69 kgf/cm
2
, 10.0 psi)
Gear backlash
Forward gear backlash *1 FL150AET 0.15–0.42 mm (0.0059–0.0165 in)
FL150BET 0.15–0.49 mm (0.0059–0.0193 in)
Reverse gear backlash *1 FL150AET 0.24–0.58 mm (0.0094–0.0228 in)
FL150BET 0.24–0.65 mm (0.0094–0.0256 in)
Available shim thicknesses
Pinion shim (T3) 0.10, 0.12, 0.15, 0.18, 0.30, 0.40, 0.50 mm
Forward gear shim (T2) 0.10, 0.12, 0.15, 0.18, 0.30, 0.40, 0.50 mm
Reverse gear shim (T1) 0.10, 0.12, 0.15, 0.18, 0.30, 0.40, 0.50 mm
Propeller shaft shim (T4) 0.10, 0.12, 0.15, 0.18, 0.30, 0.40, 0.50 mm
Propeller shaft
Free play 0.25–0.35 mm (0.0098–0.0138 in)
Runout 0.02 mm (0.0008 in)
Drive shaft
Runout 1.0 mm (0.04 in)
*1.Figures obtained using the special service tools.