Yamaha F25 - Bracket Unit Technical Data; Tightening Torque Specifications

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Bracket unit technical data
PTT system
Special tightening torque
Rigging information
Fuel system
Pinion shim (T3) mm
0.7, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5,
1.6
0.10, 0.12,
0.15, 0.18,
0.30, 0.40,
0.50
Forward gear shim (T1) mm 1.0, 1.1, 1.2, 1.3, 1.4
0.10, 0.12,
0.15, 0.18,
0.30, 0.40,
0.50
Reverse gear shim (T2) mm 1.0, 1.1, 1.2, 1.3
0.10, 0.12,
0.15, 0.18,
0.30, 0.40,
0.50
Propeller shaft
Runout mm (in) 0.02 (0.0008)
Drive shaft
Runout mm (in) 0.5 (0.0197) 1.0 (0.0394)
(*1) Figures obtained using the special service tools.
Item Unit
Model
F25EA
F25A T25A
Motor brush
Standard length mm (in) — 7.5 (0.30)
Wear limit mm (in) — 5.1 (0.20)
Motor commutator
Standard diameter mm (in) — 16.3 (0.64)
Wear limit mm (in) — 14.9 (0.59)
Standard undercut mm (in) — 1.3 (0.05)
Wear limit mm (in) — 0.6 (0.02)
Part to be tightened Screw size
Tightening torques
N·m kgf·m ft·lb
Shift cable locknut — 5 0.5 3.7
Throttle cable locknut — 5 0.5 3.7
Part to be tightened Screw size
Tightening torques
N·m kgf·m ft·lb
Fuel filter cup — 2.5 0.25 1.84
Fuel pump cover screw M5 3 0.3 2.2
Item Unit
Model
F25EA
F25A T25A
Power unit technical data / Lower unit technical data /
Bracket unit technical data / Special tightening torque