Section 12
12) Instruments:
Instruments can be a valuable addirion if they
are of
good
quality,
correcdy installed,
mainrained,
and
if
the operatot
unde$tands
what they are telling him.
Poor
quality
instruments
should never
be used.
Never use a tachometer directly connecied
to the ignition
system. Use a tachometer
operating
on the
lighting coi.l.
AII iflsfuments rcquiring
power
source must
be ovedoad protected.
(Ref.
section l
l)
AII wiring and s€nsor leads must be
properly
routed
and
protected
from
vibrarion
and abrasion.
For conect operiltilg
speed
refer Technical
Data
section.
Cylinder head tempemtures arc raken
at the spark
plug
seat. Exhausr gas
tempetaturcs
are measurcd
at
100 mm
(4
in.) from
the cylinder sleeve.
See section 17
for temperatures.
12.1) Electronic tachometer:
12.1.1) Introducti
on:
The Aviasport
tachometer T8K12E, part
no.
966 072, has
been specifically
designed
to be connected to the 12 pole
flywheel genemtor
used
on the Ducati
CDI
Systems.
The
tachometer measlres
tie frequency
of the
pulses
provided
by
one of the
transducels supply winding
where it is
conflected. It
does l1ot require
any extemal
power
supply. It is connected
by two wiles
withour
polarity.
The indicating range
comes up to
8000
r.p.rn.
The
weight is 1
8 5
gram.
The
panel
cutout
diameter should be 60
o
mm.
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