The Yamaha Trunk , we call em a Top Box is a heap of Junk , I managed to break 3 of em 2 were the You Beaut strengthened Top Box the bloody things weigh 8kg empty and they tell you can only carry 5kg in them , they look big on the outside but only have a small hole .
You are getting it at the right price but that's all it worth , nuthin . Sell it to some sucker , better idea would be use it for target practice , then buy a Givi
As for not letting your pillion lean on em , well this is my theory , its best they do because there is a Bloke in our club and its the only thing that stops his wife falling of the bloody back . She climbs on the bike first , leans against the Top Box like a big bag of ( well you know ) then he get on ( bloody funny to watch ) their TB is good as new and its not even the strengthened one .
So unless the TB's have been changed since I had my 3 they are Junk
Best of luck regards , Jacko