Sym Jet Sport X R50, Руководство по обслуживанию

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15. Electrical Equipment
15-9
Remove the plug cap, and measure its negative (-)
terminal for the secondary coil resistance.
Resistance : 3.1~3.2K
Ω
Ω Ω
Ω
(A)
→
→ →
→
(C)
Electrical System Circuit Inspection
Pulse Generator
Remove luggage box.
Disconnect pulse generator coil coupler.
Resistance Measurement: (20
℃ ℃ ℃ ℃ )
Pulse generator coil (blue/yellow ~ ground):
50~200
Ω Ω Ω Ω
CDI Electrical System Circuit Inspection
Remove luggage box and body cover.
Disconnect the CDI. unit coupler, and check its
circuit to diagnosis related ignition components.
Item Measure at:
Standard (at 20 ℃ )
Main Switch Black ~Green
Continuity (battery voltage) as main
switch ON
Pulse Generator Blue/Yellow ~ Green 50 ~200
Ω
Primary Black/yellow ~ Green
0.19~0.23
Ω
Green ~ high voltage cable ~w/o Cap 3~5K
Ω
Ignition Coil
Secondary
Green ~ high voltage cable ~ w/ Cap
8.2~9.3K
Ω
If above checks are in normal but spark plug is still no spark. Then it probable causes from CDI set or
high voltage coil.
If abnormal circuits are found in above checks, at first check all items, and then check each item one
by one.
This chapter Contents
Pulse generator
coil couple
CDI. unit
(A)
(B)
(C)
(D)
Green
Blue/yellow
Black
Black/yellow