Yamaha F50A - Lower Unit

62Y3A11
1-8
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Lower unit
Higher class pinion and gears
The lower unit of the new T50/FT50B, FT50C uses the same type of large gears that are used in the
F100. The use of the same type of gears that are used in a higher class model provides ample dura-
bility, making it possible to accommodate a wider range of applications throughout the market.
Pinion Forward gear Reverse gear
Gear ratio
Model
Number
of teeth
Diameter
(mm)
Number
of teeth
Diameter
(mm)
Number
of teeth
Diameter
(mm)
F50/F50A 13 45 24 74 24 75 1.8
T50/FT50B,
FT50C
13 46 30 95 30 95 2.3
F50/F50A T50/FT50B, FT50C
S62Y1220
Features and benefits