Sachs crank bearings

[unkobil]

I removed those funky copper caged ball bearings from the crankshaft of my 125 six days.  I was wondering when I replace them do I have to go OEM or are there aftermarket bearings available that will do the job.   Thanks guys

 

[Larry Perkins]

There are good quality bearings available that will replace the originals.  The important part is to go with the same style multi-piece bearings and not like a normal bearing.  There are many physics reasons for this but take my word for it and stay with that style.  They will probably run $70 to $100 for the pair for good ones.