Lower Unit - Yamaha F50F Service Manual

Item
Oil pump
Type
Outer rotor-to-housing
clearance
Outer rotor-to-inner rotor
clearance limit
Rotor-to-cover clearance
Relief valve operating
pressure
Thermostat
Opening temperature
Fully open temperature
Valve open lower limit

Lower unit

Item
Gear backlash
Pinion-to-forward gear
Pinion-to-reverse gear
Pinion shims
Forward gear shims
Reverse gear shims
6C13G11
Unit
F50FED
mm (in)
mm (in)
mm (in)
kPa
2
(kgf/cm , psi)
°C (°F)
°C (°F)
mm (in)
Unit
F50FED
mm (in) 0.35–0.81 (0.0138–0.0319)
mm (in) 0.89–1.34 (0.0350–0.0528)
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 0.10, 0.12, 0.15, 0.18, 0.30, 0.40,
Maintenance specification
Model
F50FEHT F50FET
Trochoid
0.09–0.15 (0.0035–0.0059)
0.12 (0.0047)
0.03–0.08 (0.0012–0.0031)
350–450 (3.5–4.5, 50.8–62.3)
58–62 (136–144)
70 (158)
3.0 (0.12)
Model
F50FEHT F50FET
0.50
FT50GET
1
2
3
4
FT50GET
0.09–0.62
5
(0.0035–
0.0244)
—
6
—
7
8
9
2-8