Yamaha XS750-2D, Supplemental Service Manual

Page: 14 / 16

5 .
Turn
the main switch on. Make sure that
V 2 i s
less
than 1.8V.
connecting
Good
element
NOTE:
Do
n o t
turn
o n lights or signals.
Replace Replace
6.
Make sure that
V2 gradually increases
u p to
9 ~
11 V when the engine is started
and i t s revolutions go
up.
7. Make sure that V 1 keeps the level of
14.2 ~ 14.8V even when engine revo-
lutions increase.
0 0 X
0
0 X
0
0
X
U
01
X 0 X
X
0 X
X
0
X
.
Engine revolutions
8.
If these levels are not maintained, the
regulator is defective and must be re-
placed.
Checking Silicon Rectifier
1. Check silicon rectifier as specified
using Yamaha pocket tester.
F Green
U White