hi all i need a new piston for my runner 172 malossi bore kit on the top of old one there is w7 0 wich is the piston type or size etc only need one has crank bearings died and killed piston along with it bore is on and only on 500 miles cheers steve
Re: which piston do i need http://www.scootershack.co.uk/maxiscooter-tuning/172-piston-t17162.html This topic explains all you could ever need to know.
