tyre pressures should be in your owners manual but if you don't have one then log onto www.scooterdynasty.com they have a lot of the specs on the chinese stuff. you wouldn't be too far wrong with 28psi f/r but that's only a guess.
steo, June 2009
it should say on every tire, the psi , size , ect ,,,,,,
mick, June 2009
edit
I can answer this question...
HOW MUCH PSI AM I TO PUT IN MY FRONT AND BACK TIRE?