oem

Hello Recently I had to open the engine of my Honda 1970 ct70 because it burned oil and I discovered that I had to replace the cylinder by a new one, but the question that I ask myself is that I have an aftermarket head that must be used with a flat top piston, but I also have the original head...

Ok this is not for you purists out there...cause I think I know what your opinion is. Just want others' opinion on whether you think OEM parts are worth the extra price? There has to be a reason why the CT70's have outlasted other models including chinese clones. Is it the engineering? the...