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Old 12-12-2012, 01:32 AM   #381
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Joined: Jan 2011
Location: Summer: Kemiö, Finland; Winter: North Germany
Oddometer: 872
Originally Posted by Ymirtrials View Post
I have tried two different michelin tubeless tires with tubes on the Bultaco and I could not get either to stay up on the bead all the way around the rim once I drop the pressure down. Is there a trick I'm missing?

Originally Posted by lamotovita View Post
Did you clean the rim spotlessly? I use a wire brush followed by rubber cleaner (the stuff you to prep a tire carcass for a patch),
Yes cleaning up the innerside of the rims is necessary.

I also ride the bikes an hour or so with about 1 bar pressure, this helps the tire to set properly (all kind of tires),
I have the same "outfit" mounted to the Bultaco the bike has too Acront / Llanta red label rims (old TR Type) like the SWM mounted.

The tubeless tires will not stay on original Yamaha TY twinshock rims if you have mounted them to your bike,
the bead of the rim is different in shape, (there are no hump's inside the rim).
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