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99 EX compression

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Posted by: powderider8997

Hey guys im looking at a 1999 400 ex tomorrow it has white bros silencer k&n filter and comes with sand tires on rims. just wondering what the compression should be? the guy wants 2500 for it but i could only get him down to 2400. it runs great new tires all around no cracks in plastic just scratches, does this seem like a decent deal please help me out quick as i told him i would tell him yey or ney.. thanks


Posted by: jsmith2232

Stock compression for a 400ex is 9.1:1


Posted by: evileyesracing

yes.. 9:1:1




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