its an adjective(goo)
probably nonsensical
if you want to look at the bikes click on the small flags centre right
バイク情報満載！新車・中古バイク検索ならGooBike(グ ーバイク)
go across to other makers
click on the bike then
click(on the page with the japanese map)on the middle and higest single blue box(tick box)
then click on the photo