Ignition: CDI (capacitor discharge ignition)

Ignition timing:

Initial  10 deg +/- 2 deg    BTDC at idle

Full advance 30 deg +/- 2  BTDC at 3,550 RPM

Alternator capacity: 70W @ 5,000 RPM

Battery: 12 volt  group size 14 AH 

Battery capacity: 12V -14 ampere-hours

Battery specific gravity: 1,270-1,290 (20C 68F)

Battery charging rate: 1.4 amperes maximum

Spark Plug: DR8ES-L (NGK) X24ESR-U (ND)

Spark plug gap: 0.6 - 0.7 mm (0.024 - 0.028in) 

Headlight: 12V 45W/45W bulb # 6245j -BP 

Tailight: 12V 5W bulb # 57

Voltage regulator: Transistorized non-adjustable

DC receptace (1983 only): 12 Volts DC

maximum 60W (5 amps)

Starter motor brush and spring specs:

Brush spring tension

new 0.560-0.680 (1.23 - 1.50 lbs)

service limit 0.450 (1.0 lb)

Brush length 

new 12-13 mm (0.47-0.51 in) 

service limit 5mm (0.20in)

Ignition coil resistance:

primary coil 0.2 - 0.4 ohms

secondary coil 3.6 - 4.4 ohms

Exciter coil resistance: (black/red and ground)

100 -400 ohms

CDI box resistance specs: