Want the right thing first try with no question of quality or fitment? OEM is the way to go! These are Yamaha brand crankshaft seals, for both left and right side. These will fit; '89-'01 "Prebug" Zuma, '02-'11 "Bugeye" Zuma, Jog / Vino, Italian Minarelli (SR50, F12 etc) and more. Price is for one set of seals, left and right side.

Malossi Crankshaft Oil Seals for Zuma Here

Don't forget your crank seal tool HERE