Yamaha ttr230 Service Manual page 275

Connect the multimeter ( x1) to the ignition
coil.
Terminal (+)
Terminal (-)
• Check the
resistance.
Secondary winding resistance:
6.32k~9.48k
7. Main switch
• Disconnect the main switch from the
harness.
• Check the continuity between wires
"BROWN (Br) and RED (R)" set to "ON"
and "OFF."
The LED should not be tested.
See Section
"SWITCH CHECKS."
R
ON
OFF
Ω
spark plug cable
body ground
secondary winding
Ω
at 20° C
ACCORDING TO
SPECIFICATIONS
RB
Br
LED
Br
CORRECT
IGNITION SYSTEM
INCORRECT
Ignition coil defective – Replace.
INCORRECT
Main switch defective – Replace.
7-10
ELECT