This is a long shot...but was reading your old post and was wondering if you still have the MC16 crank....? have a very early serial numbers matching 86 nsr 250 r that is all original, but I blew the main center crank bearing and seal.....so if ya read this and still have it ..in usable condition ?...I would appreciate an email...bstebbe@hotmail.com...Vancouver British Columbia Canada. please let me know thanx.