Specifications

DO
9 Fault diagnosis
Symptom
: ignition system
Cause
Chapter 3 Ignition system
Remedy
Engine will not start
Engine starts but runs erratically
Plug faulty
Defective ignition coil
Dirty points
Poor points contact
Plug gap incorrect or has whiskered
Incorrect ignition timing
Weak points arm return spring
Defective ignition coil
Low output from flywheel generator
Plug lead insulation breaking down
Check plug and adjust gap or renew.
Renew.
Clean or renew and check gap.
Check for arcing. Renew condenser.
Adjust and clean or renew.
Gheck timing and points gap.
Renew.
Renew after expert testing.
Have tested and renew.
Check and renew.