7-3
Ignition system
General information
The measurements described below will only detect serious defects.
Short circuits in the coil that lead to a weak ignition spark or poor
generator capacity can be established with the peak voltage adapter
584.29.042.000. In case of a defect, check the cable and the plug
and socket connections in the ignition system first.
Always pay attention to the right measuring range when measuring.
Checking the stator and pulse generator
Use an ohmmeter to take the following measurements:
NOTE: the measurements must be performed at a temperature of 20°
C, otherwise the readings will deviate significantly.
Replacing the stator
– Remove the screw and the retaining bracket.
– Remove the 2 screws
1 and take the stator out of the ignition cover.
– Place a new stator in the ignition cover.
– Degrease the thread of all 3 screws and apply Loctite 243.
– Mount the screws and tighten (tightening torques see chapter 10).
– Run the wiring harness stress free and fix with the retaining bracket.
Don't forget the cable socket.
Main fuse
– The main fuse (10 amperes) is located under the filter box cover in
the starter engine relay.
– The main fuse
2 is visible after you remove the filter box cover and
protection cover.
!
CAUTION
!
N
EVER USE A STRONGER FUSE OR A REPAIRED FUSE. IMPROPER USE CAN DESTROY
THE ENTIRE ELECTRIC SYSTEM
– The spare fuse is located under the protection cover 3.
1
IGNITION MEASURE CABLE COLOURS RESISTANCE
4K-3A
pulse generator
red – green 100 Ω ± 20 Ω
ground – red ∞Ω
charging coil ground – yellow 0,74 Ω ± 0,15 Ω
stator
black/red– red/white 26 Ω ± 5,2 Ω
ground – black/red ∞Ω
4K-3B
pulse generator
red – green 100 Ω ± 20 Ω
ground – red ∞Ω
charging coil
ground – yellow 0,65 Ω ± 0,15 Ω
white – yellow 0,16 Ω ± 0,03 Ω
stator
black/red– red/white 15 Ω ± 3 Ω
ground – black/red ∞Ω
3
2
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