Check your technique...even if you have to ask in a dealer.
Getting any bike on a centre stand isn't about strength...it's all technique.
You shouldn't be trying to pull or lift the bike.
Get the bike upright...even the heaviest bike can be held upright with just one hand on the left handlebar grip.
Ensure both centre stand feet are against the ground.
Hold the extended centre stand foot "pedal" part ideally with your right foot while your left foot is secure on the floor.
Holding the left handlebar grip with your left hand, and gaining a right hand grip either on the bike's lifting bar under the seat (if it has such), or a frame rail under the seat/pillion grabrail/rack whatever,you only need to sort of press down on the extended stand foot "pedal" while biasing the bike rearwards.
Even my fully laden Goldwing goes on the centre stand easily (sometimes even wearing crocs

) and from memory my Oilheads were a doddle to do so.
There's a salesman in a local dealer to me who's only about 5'6" and ten stone dripping wet and he moves all sorts of bikes in the showroom and gets any of them on their centre stands okay, so check out what you're doing.
