Honda XL350R 1984 Shop Manual page 219

17. IGNITION SYSTEM
SERVICE INFORMATION
17-1
TROUBLESHOOTING
17- 1
IGNITION TIMING
17-2
SPARK PLUG
17-2
IGNITION COl L
17-2
ALTERNATOR
17-3
CDI UNIT
17-3
PULSE GENERATOR
17- 4
SERVICE INFORMATION
GENERAL
• Ignition timing cannot be adjusted since the COl (Capacitive Discharge Ignition) unit is non-adjustable .
• If
ignition timing is incorrect, check theeD I unit, pulse generator and alternator and replace any faul t y parts.
SPECI FICATI ONS
Spark plug
Standard
ND
NGK
X24EPR - UQ
DPRBEA- 9
Plug gap:
Ignition timing:
Initial:
Full advance:
TOOL
For cold cl imate (Below 5° C/41 ° F)
ND NGK
X22EPA -U9 DPR7EA-9
0.8-0.9
mm
(0.031-0.035
in)
a"
± 2°
at
1,300
rpm
28° ± 2° at 4,000 rpm
For extended high speed riding
ND NGK
X27EPR - UQ DPA9EA-9
Specia l
Multimeter
Digital multi meter
07308- 0020000 or Kowa TH ·5H · 1
07406- 0050000 or KS-AHM·32·003; U.S.A. o nly
TROUBLESHOOTING
No Spark Plug
• Engine stop switch "OFF"
• Poorly connected, broken or shorted wi res
Between alternator and ignition coil
Between COl unit and engine stop switch
Between CO l unit and ignition coil
Between CO l unit and ignition switch
Between ignition coil and plug
Between pulse generator and COl unit
• Faulty ignition switch
• Faulty ignition coil
• Faulty COl unit
• Alternator faulty
• Faulty pulse generator
Engine Starts but Runs Poorly
• Ignition primary circuit
Faulty ignition coil
- Loose or bare wire
- Faulty pulse generator
• Secondary circuit
Alternator faulty
COl unit faulty
Faulty pulse generator
17-1
D