9-5
HRX217HYA • HRX217HZA FLYWHEEL/IGNITION COIL
HZA TYPE
Remove the ignition coil (P. 9 -3 ).
<Primary Side Resistance>
Measure the resistance of the primary coil by attaching one
ohmmeter lead to the ignition coils primary terminal while
touching the other test lead to the iron core.
<Secondary Side Resistance>
Attach an ohmmeter lead between the spark plug cap and the
iron core, and measure the resistance of the secondary coil.
• ENGINE STOP SWITCH (HYA TYPE ONLY)
Remove the engine stop switch (page 8-6
).
Narrow terminal:
• Not used.
Wide terminal:
• There should be continuity when the plunger is pushed in
completely.
• There should be no continuity when the plunger is
released.
Replace the engine stop switch if the correct continuity
test results are not obtained.
IGNITION COIL AIR GAP ADJUSTMENT
Adjustment is required only when the ignition coil or flywheel
has been removed.
Remove the fan cover (page 7-3
).
Attach the ignition coil and leave the bolts slightly loose.
Insert a long 0.3 mm thick feeler gauge between the ignition
coil and the flywheel and push the coil firmly against the
gauge while tightening the bolts. Confirm the gap is within
spec.
• Avoid the magnet
• Both gaps should be adjusted simultaneously
Primary side resistance 0.4 ~ 0.6
Ω
Secondary side resistance 8.3 ~ 12.5 kΩ
IGNITION COIL
AIR GAP
0.30 ~ 0.50 mm
(0.012 ~ 0.020 in)
PRIMARY SIDE
(attach ohmmeter
leads)
IGNITION COIL
SECONDARY SIDE
(attach ohmmeter
leads)
PLUNGER
WIDE
TERMINAL
NARROW
TERMINAL
(not used)
FEELER
GAUGE
IGNITION
COIL
BOLTS
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