Maintenance
73
3. The electrical contacts of the battery and
cables must be clean and properly con-
nected, or the battery will not start the en-
gine.
Connecting an accessory battery (optional)
If connecting an accessory battery, consult
your Yamaha dealer about correct wiring. It is
recommendable to install the fuse to the isola-
tor lead as shown in the illustration. For the
fuse size, be sure to follow local regulations.
For example, for USA, the ABYC rules (E-11)
should be observed.
Single engine
1. Red cable
2. Black cable
3. Battery
ZMU01811
1
2
3
1. Isolator lead with circuit protection
2. Red cable
3. Black cable
4. Fuse
5. Battery for accessories
6. Battery for starting
7. Negative connecting cable
2 1
7
6 5
3
4
ZMU05939
U6P227E0.book Page 73 Wednesday, April 27, 2011 6:03 PM