Modern Vespa

I had this stand already, for use on my other bikes, and did not feel like buying another just for the MP3

Need:
-HF Balancer http://www.harborfreight.com/motorcycle-wheel-balancing-stand-98488.html
-1 threaded rod (Dia to match Cones on HF stand)
-2 coupling nuts
-2 washers



^ Setup for MP3 Rear Wheel... note 2 Washers (no cone)









^ Setup for MP3 Front Wheel... note 1 Washer, 1 Cone






Notes:
-The Washers obviously are not Self-Centering, unlike the cones. Hence you need merely spin the wheel to verify absence of any Wobble... adjust the wheel tilt accordingly (very easy) until it spins true, then snug up the nuts on both sides
-I used Coupling nuts, for easy grasping by hand
-The Washers were off-the-shelf (no trimming req'd to fit)
-The Threaded Rod is not an ideal bearing surface, however it (surprisingly) spins just fine atop the rollered stand.

what is the length of the threaded rod? And its thickness?

It will be a while gotta let the snow and ice melt to get a balance frame from Harbor Freight.

thanks for your info

That allthread rod rolls smoothly? And doesn't walk on the apex of the rollers?

Yes, it rolls smooth enough to roll the wheel quite well... I was originally going to file-off the threads (where they meet the rollers), but found it was not necessary, and might risk making "eggs" out of them instead.

the taper cone will not allow a perfect balance because your not using 2 and offsetting the screw from each.

to test just install the rod on the balance stand with the 1 taper cone and you'll see that the screw will always go to the 6 o'clock position.

Good point....
Go one step further and change over to an allen wrench set screw.

bump

still not good as the weight will not be equal. this is why you need 1 set of matched cones and put the set screw or thumb screws 180 deg apart.

Aw guys, it's a described "Gonzo" mod, so please don't be so nit picky about it.

I realize it's not perfect, however it does Work, and we routinely ride the wheels balanced on it to 90mph without any vibration problems.

A better bet than Dynabeads, for sure.

the washers for the rear wheel are ok. why not get a smaller set for the fronts as well?

Right you are! But you DID post it here, and you DO know how this happy forum works!

Oh my, Mr Parn's ware are you ??

Happy to see a good faith attempt at good science, then just ride it and forget it attitude. Thanks for the posting of ur idea. We all can take it for what value we wish. Never know when someday off a beaten path, this just might be recalled from our memory banks, for use.