craigs list special guy bought it for the trailor for his new seadoo , 96 900 zxi

wants 250 prolly will give him 100 $

but it will need a need top end and possibly a crank

question 1 these clys can be bored out right ?

question 2 what would a rebuild run , new crank , seals , top end ,

any known pump , electrical problems , problems in general ?