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GENERAL INFORMATION
7
this angle is determined by breaker point gap,
dwell angle is a n accurate indication of breaker
point gap.
Many tachometers intended for tuning and
testing incorporate a dwell meter as well. See
Figure 8. Follow the manufacturer's instruc-
tions t o measure dwell.
Tachometer
A tachometer is necessary for tuning. See
Figure 8. Ignition timing and carburetor ad-
justments must be performed at the specified
idle speed. T h e best instrument for this purpose
is one with a low range of 0-1,000 or 0-2,000
rpm for setting idle, and a high range of 0-4,000
or more for setting ignition timing at 3,000
rpm. Extended range (0-6,000 or 0-8,000 rpm)
instruments lack accuracy at lower speeds. The
instrument should be capable of detecting
changes of 25 r p m o n the low range.
NOTE: The motorcycle's tachometer is
not accurate enough for correct
idle
ad-
justmen
I.
Strobe Timing Light
This instrument is necessary for tuning, as
it
permits very accurate ignition timing. The light
flashes at precisely the same instant that No.
1
cylinder fires, at which time the timing marks
on the engine should align. Refer to Chapter
Three for exact location of the timing marks for
your engine.
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   Also See for Kawasaki KZ500

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Zx550Kz550Kzx550

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