hey mark,im gonna use the xr ones,bit shorter lens but same flat rubber slip in mount,local dirt bike store i use no stock for 6 weeks damn it,found the same online 12 bucks more but delivered,i think the body is plastic?less rust?ill put two on the rear,that gives me two spare and a spare yammy style one,just for your information the yammy ones are MCS brand IY13,these honda ones are IH9,same push in mount,i think these honda ones the lens itself screws in?ill be puting a dab of glue on those thats for sure!