5-22
4. Inspection
Flywheel Magneto
The flywheel magneto itself does not require inspection, however, the following precautions are
necessary when operating in the flywheel area during servicing operations. The magnets is attached to
the flywheel using adhesive glue, so it will be necessary to observe the following precautions.
Precautions
Resistance Values for Coils
• These include values for the ignition coil, alternator coil, exciting coil, lighting coil and pickup coil.
Refer to the section “Specifications and Standards Used in Servicing” in Chapter 2.
Rectifier Regulator
Inspect
Rectifier Checkpoint Table
Tester + lead (red)
Red Yellow Black Yellow Yellow
Red OFF OFF OFF OFF
Yellow ON OFF OFF OFF
(4kΩ)
Black ON ON ON ON
(5kΩ) (4kΩ)(4kΩ) (4kΩ)
Yellow ON OFF OFF OFF
(4kΩ)
Yellow ON OFF OFF OFF
(4kΩ)
Note:
q Measure using the Hioki HiTester model 3030 or equivalent product. Do not use an insulation tester.
w The tester needle moving represents an On reading and not moving represents an Off reading. The
( ) contain approximate values for the 1 kΩ range. Note that values will vary depending on tester
condition (internal power supply), testing range and the individual model.
e Be sure to disconnect any wiring connections in order to isolate each component before measuring.
r The readings obtained using this testing procedure are not absolute values and are intended for use
only as reference.
• For faulty connections or severed lines in the wire harness.
• Measure conductivity and resistance values by referring to the check sheet table below. (Values listed are
standard values.)
• Disconnect wiring and measure with regulator isolated from electrical system.
• Avoid applying shock or impact to the flywheel, such as that from the tapping of a hammer.
• Be sure to use the recommended tool rather than selecting from any standard tools that happen to be
available.
• Always replace the flywheel if it has been dropped on the floor or any other hard surface.
Tester - lead (black)
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