Spark Plug - Honda CB250 TWISTER Owner's Manual

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Spark Plug

Checking Spark Plug
For the recommended spark plug, see Specifications,
refer to page 73.
Use only the recommended type of spark plug in the
recommended heat range.
N
OTICE
Using spark plugs an improper heat range can
cause engine damage.
1. Disconnect the spark plug cap from the spark plug.
2. Clean any dirt from around the spark plug base.
3. Remove the spark plug using the spark plug wrench
provided in the tool kit.
1. Spark plug cap
2
1
2. No. 2 Phillips
screwdrive
3. Spark plug
wrench
3
4. Inspect the electrodes and centre porcelain for
deposits, erosion or carbon fouling.
If the erosion or deposit is heavy, replace the
plug.
Clean a carbon or wet-fouled plug with a plug
cleaner, otherwise use a wire brush.
CB250 TWISTER