Checking The Tci Unit; Checking The Engine Shut-Off Switch - Yamaha F2.5A Service Manual

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Checking the TCI unit

1. Remove the spark plug cap from the
spark plug wire by turning the cap coun-
terclockwise.
2. Measure the
Replace if out of specification.
TCI unit resistance:
Primary coil:
White (W) – Black (B)
0.56–0.84 Ω
Secondary coil:
White (W) – Spark plug wire
11.6–17.4 kΩ

Checking the engine shut-off switch

1. Check the engine shut-off switch for con-
tinuity. Replace if there is no continuity.
8-5
Electrical systems
TCI unit resistance.
Clip removed a
Clip installed b
Engine stop button
pushed c
Lead color
White (W) Black (B)
69M3E11