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oil in the exhaust

  1. Marauder M50 Secret Hideaway
    bike is 2007 suzuki m50, with 18K miles, show room condition. it had a knocking noise matching with the rpm. we (with my mechanical engineer wife, our first big job) took it apart and figured that piston clearance was too big. piston and the cylinder had scratches. we replaced and the piston...
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