Sym RV 250i Service Manual page 251

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17. Electrical System
Inspection on ignition coil
Remove the right floor garnish.
Disengage the connector of the ignition coil.
Measure the resistance between the terminals of
the primary winding.
Standard resistance: 2.8Ω±15% (20ºC)
Replacement on ignition coil
Remove the cap from the spark plug.
Spark plug cap
Loosen 2 bolts and replace the ignition coil if
Ignition coil
necessary.
Inspection of crank position sensor
Remove luggage box (bolt×6).
Disconnect the coupler of the crank position
Coupler
sensor and measure the resistance between the
terminals of green/white and blue/yellow.
Standard resistance: 80~160Ω
Please refer to the section 11 for disassembly of
coil.
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