Yamaha F20A Service Manual

8-19
–+
ELEC
E
STARTING SYSTEM
BATTERY
Refer to “GENERAL” in chapter 3.
FUSE
1. Check:
● Fuse holder
No continuity → Check the fuse
holder leads.
● Fuse holder leads
No continuity → Replace the fuse
holder.
Continuity → Check the fuse.
2. Check:
● Fuse
No continuity → Replace.
Fuse rating:
12 V - 20 A
WIRE HARNESS
1. Check:
● Continuity
No continuity → Replace.
WIRE CONNECTIONS
1. Check:
● Wire connections
Poor connections → Properly con-
nect.
STARTER RELAY
1. Check:
● Starter relay condition
Out of specification → Replace.
Checking steps:
● Connect the tester between the starter
relay terminals as shown.
Tester positive lead 1 →
Starter relay terminal
Tester negative lead 2 →
Starter relay terminal
● Check that there is no continuity
between the starter relay terminals.
● Connect the tester and battery
between the starter relay terminals.
2
4
3
1

Yamaha F20A Specifications

General

Brand	Yamaha
Model	F20A
Category	Outboard Motor
Language	English