Yamaha F6AMH Service Manual

GENERAL
 DO NOT SMOKE when charging or
handling batteries.
KEEP BATTERIES AND ELECTROLYTIC
FLUID OUT OF REACH OF CHILDREN.
NOTE:
 Batteries vary among manufacturers.
 Therefore, the following procedures may
not always apply. Consult your battery
manufacturer’s instructions.
 First, disconnect the negative lead, then
the positive lead.
Check:
 Electrolyte level
Below the minimum level
a
 Add
distilled water to the proper level.
 Electrolyte specific gravity
Less than specification
 Recharge
the battery.
CHECKING THE SPARK PLUGS
1. Spark plug type:
 BR6HS-10
2. Check:
 Electrodes 1
Cracks/excessive wear
 Replace.
 Insulator color 2
Distinctly different color
 Check the
engine condition.
3. Clean:
 Spark plug
(with a spark plug cleaner or wire
brush).
Electrolyte specific gravity:
1.280 at 20°C (68°F)
Color guige:
Medium to light tancolor
Normal
Whitish color
Blackish color
 Lean fuel mixture
 Plugged jet(-s)
 Wrong setting
 Rich mixture
 Excessive oil usage
 Defective ignition system
 Defective spark plug
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Yamaha F6AMH Specifications

General

Brand	Yamaha
Model	F6AMH
Category	Outboard Motor
Language	English