Yamaha RX10LTGTYL Service Manual page 1484

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b
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IGNITION SYSTEM
A.C. MAGNETO
1. Disconnect:
S A.C. magneto coupler 1
2. Connect:
S Pocket tester
(to the A.C. magneto coupler)
3. Measure:
S Stator coil resistance b /pickup coil resis-
tance a
Out of specification ! Replace.
Pickup coil resistance:
(Gray – Black)
189 X 231 Ω at 20_C (68_F)
Stator coil resistance:
(White – White)
0.19 X 0.24 Ω at 20_C (68_F)
SPARK PLUG
1. Remove:
S Spark plugs
2. Measure:
S Spark plug gap a
Standard spark plug:
CR9E (NGK)
Spark plug gap:
0.7 X 0.8 mm
(0.028 X 0.031 in)
8-5
ELEC