Hi,Dan! You must have the head off at least to know it's bad,right?Generally you remove the cylinder(just slide it up off the piston)and then remove circlips on each side of the piston,and push out the wrist pin.Some have roller bearings in a retainer so be careful as you remove the wrist pin.When you get that pin out the piston is loose.Ron Brown seems to be the resident Motobecane expert and he may give you some details and tips as my Motobecane manual is at my house and I've never disassembled one.You should really get a shop manual if you're keeping the `ped.Any parts you need for it call 614-299-0550 and ask for Bob Jones.BYE!
Re: replacing piston
|Ron Brown||07/29/01 02:35PM|
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