This puller will remove the flywheel from the crankshaft without doing any damage. SOME OF THE MODELS THIS WILL WORK ON ARE: Z50'S all XR50'S CRF50'S XR70'S CRF70'S ALL YEARS ALL,MR50'S,S65,CT70'S ALL,ATC70'S,SL-CL-XL-XR70'S, ALL TRX70'S ALL XR75 XL75 ALL ATC185 ATC185S ATC200 ATC200S PULLSTART ONLY MODELS TRX90'S ALL MOST ANY CR MODEL,ATC250R'S,TRX250R'S,ALL FL250 AND FL350'S AND LOTS OF YAMAHA'S INCLUDING BANSHEE'S. Add a 1961 C105 to you list for this flywheel puller Bruce 96E 900008$10.99