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Disintegrated spark plug

Discussion in 'Technical and Troubleshooting Torque' started by jeremyc, Jul 24, 2012.

  1. My CBR250RR broke down, when I pulled out the spark plugs I saw this:
    Only one plug is like this, the other 3 seem to be fine.

    When I'm feeling a bit more enthusiastic I'll try to get a look down into the cylinder to see how bad the rest of the damage is.

    The only advice I'm after for now is: should I start looking for a new engine?