12
DF2.5
(Serial
No.
210001
and
later)
IGNITION AND ELECTRICAL
OUTLINE
The ignition system has been changed from transistorized ignition to digital CDI.
In
accordance with this change, the flywheel and'the igniter unit have been changed.
IGNITION SYSTEM
IGNITION TIMING ADVANCE (Late
type)
For
all
markets
except
for
US
market
I Ignition advance Approx.
31
o BTDC at
2000-4000
r/min
For
US
market
I Ignition timing advance .
5°
BTDC at 2000
r/min-
31
o BTDC at 4000 r/min
INSPECTION
IGNITION SECONDARY COIL RESISTANCE
Measure the secondary coil resistance
in
the igniter unit.
i.:OOh
09930-99320: Digital
tester
Tester range: Q (Resistance)
1.
Remove the spark plug cap
!rom
the high-tension cord.
2.
Measure the secondary coil resistance.
Tester probe connection
Probe Other probe
High-tension cord
Core
Ignition
secondary
coil
resistance
:
2.0-
2.5 kQ
If
the measurement
is
out of the specification, replace the igniter
unit.
IGNITER
TO FLYWHEEL MAGNETO AIR GAP
Measure the air gap of between the
flywheel magneto and
igniter unit.
i.:OOh
09900-20803:
Thickness
gauge
Air
gap: 0.5
mm
(0.02 in)
(
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