when i was changing my impeller i ended up damaging the little collar that goes down on the driveshaft and also the plastic spacer...i went to yamaha-motors.com but u cant order direct from the website....i got the part numbers but now i need to find a dealer or someone who sells them....heres the part numbers

61A-45527-00-00
COLLAR, DRIVE SHAFT

61A-45538-00-00
SPACER 1

thanks weidner21