Sachs Bikes MadAss Reparaturanleitung Seite 193

IGNITION SYSTEM
SERVICE INFORMATION
GENERAL
Ignition timing does not normally need to be adjusted since the CDI (Capacitive Discharge Ignition) unit is factory pre-set.
If the ignition timing is incorrect, check the CDI unit, pulse generator and alternator and replace the part(s) as required.
SPECIFICATIONS
Ignition system
Ignition timing
Electrode gap
Exciter coil resistance
Pulse generator resistance (pickup)
TROUBLESHOOTING
No spark at plug
1.Exchange the spark plug with known-
good spark plug and try spark test.
WEAK OR NO SPARK
2. Check for loose CDI unit connector
NORMAL
3. Disconnect the CDI unit connector
from the CDI unit and test for system
components at CDI unit 5P connector
NORMAL
4. Check the CDI unit itself using CDI
unit tester
NORMAL
5. Check the ignition coil using CDI unit
tester
NORMAL
Engine starts but runs poorly
1. Ignition primary circuit
Faulty ignition coil
Loose or bare wire or connector
Faulty ignition switch connection
2. Ignition secondary circuit
Faulty ignition coil
Faulty spark plug
Faulty spark plug wire
Plug cap installed improperly
190
CDI unit
15 ° before TDC at 2.000 rpm 30 ° before TDC at 3.500 rpm
0,7 mm - 0,8 mm
circa 550 Ω
circa 150 Ω (bl/w - ground)
GOOD SPARK Faulty original spark plug
ABNORMAL Loose connector
3-1. Check the individual component(s)
ABNORMAL
Open or short circuit in wire
harness
Loose connector(s)
ABNORMAL Faulty CDI unit
Faulty ignition coil
ABNORMAL
Faulty fl ywheel
Strator and / or pulse generator not installed properly
3. Improper ignition timing
Faulty pulse generator
Stator not installed properly
Faulty CDI unit
NORMAL
Faulty ignition coil
Faulty pulse genera tor
Faulty exciter coil
ABNORMAL