16
Other
Special
Too
ls
A
few
other special tools may
be
required for
major service. The
se
are described
in
the
appropriate chapters and arc
ava
il
able either from
a
Suzuki dealer or other manufacturers as
indicated.
TUNE-UP AND
TROUBLESHOOTI
NG
TOOLS
Multimet
er
or
Vo
lt
-O
hm
Me
ter
This instrument (Fig
ur
e
41
)
is
invaluable for @
electrical system troubleshooting and service. A 41
few
of
its functions may be duplicated
by
homemade test equipment. but for the serious
mechanic
it
is a must.
It
s u
ses
are described
in
the
applicable sections
of
the book.
Strobe
Tim
ing Light
This instrument
is
necessary for luning.
By
flashing a light at the precise
in
stant the spark plug
fires. the position
of
t
he
timing mark can
be
secn.
Marks on the alternator
fl
ywheel line up with the
stationary
ma
rk on the crankcase while the engine
is
running.
Suitable
lights range from inexpensive neon bulb
types
to
powerful xenon strobe lights (Figure 42).
Neon timing lights are difficult to see and
mu
st
be
used in dimly lit areas. Xenon strobe timing lights
can be used outside
in
bright sunlight.
8mh
types
work on the bike; use according to the manufac-
turer's
in
str
uc
tions.
Portable Tachometer
A portable tachometer is necessary for tuning
(Figure 43). Ignition timing and carburetor
adjustments
mu
st be performed at the specified
engine speed. The
beSt
in
strument for this purpose
is
one with a low range
of
0-1.000
or
0-2,000 rpm
and a high range
of
0-4,000 rpm. Extended range
(0-6,000 or 0-8,000 rpm) instruments lack accuracy
at
lower speeds. The i
ns
trument should be capable
of
detecting changes
of
25 rpm on the low range.
Compression
Ga
u
ge
A
co
mpression gauge
(F
igu
re
44) measures the
engine compression. The results. when properly
®
CHAPTER ONE
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