YAMAHA Marine 100A Manuel D'entretien page 676

– +
ELEC
STARTING SYSTEM
8520
8521
8525
8526
INSPECTING THE STARTER RELAY
1. Inspect:
• Brown lead terminal
• Black lead terminal
Poor connection → Properly connect.
2. Inspect:
• Starter relay continuity
No continuity → Replace.
Inspecting steps
(1) Connect
between the starter relay terminals.
Positive digital tester probe 1 →
Negative digital tester probe 2 →
Positive battery terminal →
Negative battery terminal →
(2) Inspect
between the starter relay terminals.
MEASURING THE FUEL ENRICHMENT
VALVE
Measure:
• Fuel enrichment valve resistance
Out of specification → Replace.
Fuel enrichment valve resistance
Blue (L) – Black (B)
3.4 ~ 4.0 Ω at 20 ˚C (68 ˚F)
INSPECTING THE NEUTRAL
Inspect:
• Neutral switch continuity
Out of specification → Replace.
Neutral
switch length
18.5 ~ 19.5 mm
a
(0.73 ~ 0.77 in)
19.5 ~ 20.5 mm
b
(0.77 ~ 0.81 in)
8-23
the tester and
Starter relay terminal
Starter relay terminal
Brown lead 3
Black lead 4
that there is continuity
SWITCH8
Lead color
Brown (Br) Brown (Br)
E
8
battery
8