Honda NU50 User Manual

ELECTRICAL EQUIPMENT
~HONDA
~ NU50·NU50M
SPARK PLUG
For spark plug gap inspection and adjustment (Page
3-51.
IGNITION COIL
Remove the ignition coil.
Disconnect
the plug cap from the high tension wire.
SPAR
Continuity lest
PRIMARY COIL
SECONDARY COIL
NOTE
fT [~-=:J
1T"tili·-;;~-t- can be performed
without removing
,
the coil from the frame.
o . IoU! '1/ ·<IU
--
Measure the resistances of the primary and secondary
coils.
RESISTANCES·
Primary
coil:
O.2-O.3n
'~o· ~L
Secondary coil: 3.4-4.Zn
NOTE
~~;;~i~;--if the. ignition coil will function
properly
after 3 minutes of operation perform
,
the performance test. described on Ihe next
I
i
page.
Performance tesl
Perform the
3·point spark test with a service tester.
PRIMA Y
ELECTRODE
SPARK [I
MORE THAN 6 mm {1/4 in.}
,
I
I SECONDARY
ELECTRODE
NOTE
Follow the lester ~anl:!lfilcture($ inslruc:tio~
SERVICE LIMIT: 6 mm (1/4 in)
13-8
142 Date of Issue: Nov., 1981
© HONDA MOTOA CO., LTD.

Honda NU50 Specifications

General

Model	NU50
Category	Scooter
Ignition	CDI
Transmission	Automatic
Final Drive	Belt
Front Brake	Drum
Rear Brake	Drum
Front Tire	2.50-10
Rear Tire	2.50-10
Starting System	Kick start
Rear Suspension	Unit swing
Fuel Capacity	4.5 L