Yamaha F20A Service Manual

7-33
E
BRKT
PTT MOTOR
5. Measure:
● Brush length a
Out of specification → Replace.
Brush length limit:
3 mm (0.12 in)
6. Inspect:
● PTT motor base
Cracks/damage → Replace.
7. Inspect:
● Stator bushing
● PTT motor base bushing
Cracks/damage → Replace.
8. Inspect:
● PTT motor base oil seal
Damage/wear → Replace.
PTT motor assembly
1. Check:
● PTT motor operation
Incorrect operation → Repair.
PTT motor operation
Blue (+), Green (–)
Motor turns
clockwise
Green (+), Blue (–)
Motor turns
counterclockwise

Yamaha F20A Specifications

General

Brand	Yamaha
Model	F20A
Category	Outboard Motor
Language	English