Quote:
Originally Posted by ProDigit
I just saw a phenomenal piece on YouTube about break-in oil.
Apparently, according to the specialist in the matter, what your bike needs most is zinc in the oil.
The zinc will abrase the surface a little, and bond with the steel, forming a much more durable, corrosion resistant surface layer.
That being said, I bought a tube of TB zinc plus break in oil, that I'll be adding to the engine oil. Its only necessary for the first 50-100 miles, after which you can run any kind of engine oil you prefer.
The most crucial moment is right out of the box. Use that in the first few miles of the bike for maximum effectiveness.
Here's the link to the video:
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The zinc is important for solid tappets with no surface hardening or protective coating most of all. This is one reason I recommend people to use Rotella T4 15w40 for break in on the CG250 engine - it contains the highest zinc levels of any oil currently available off the shelf that isn't a modern motorcycle oil. Just shy of 1400ppm to be specific.