KM130 backup switch bearing ball.

[BJH324JH]

I got this from O'Reilly:
oil.jpglio.jpg

I am starting to regret my purchase after researching Gl-5 rated oil. GL-5 is one hell of a confusing oil! Some people love it, some hate it. A lot of people on various forums say that GL-5 corrodes "yellow metal". The KM-145 Transmission definitely has "yellow metal" in it. I just opened the transmission and can confirm it does. You can even Google KM145 transmission rebuild kit, an amazon link should pop up. Click on it and look at the picture, you can see what appears to be brass gears. Now what confuses me is people on various oil forums saying the newer versions of GL-5 wont corrode "yellow metal". Others say it does. WHICH IS IT!!! To fortify my confusion, the masterpro oil I bought from O'Reilys says it is compatible with manual transmissions and I quote, "Suitable for use where the following API service designations apply: GL-2, GL-3, GL-4, and GL-5." I'm going to have to find a number to call the people that make the stuff for O'Reilys and get an answer from them...

Update: Just called the manufacturer that makes this oil and they said it is not compatible with yellow metal.