Yamaha YP250 Mobility Scooter User Manual


 
8-9
IGNITION SYSTEM
ELEC
YP******
6. Ignition coil resistance
S Disconnect the ignition coil connector from
the wireharness.
S Connect the pocket tester ( 1) to the
ignition coil.
S Check if the primary coil has the specified re-
sistance.
S Connect the pocket tester ( 1 k) to the
ignition coil.
S Check the secondary has the specified re-
sistance.
BOTH MEET
SPECIFICATION
Replace the ignition coil.
OUT OF SPECIFICATION
Tester (+) lead !
Red/White Terminal
Tester (–) lead !
Orange Terminal
:
Secondary coil resistance:
10.7 X 14.5 k (20_C)
:
1
2
Primary coil resistance:
3.6 X 4.8 (20_C)
Tester (+) lead !
Spark plug lead
Tester (–) lead !
Red/White Terminal
1
2