How do I tell if the oiler is working on my 88 phazer. It all of a sudden started to run hot from 1/4 to 1/2 throttle. I have a pyrometer and it runs 1000 to 1200 degrees, but when I open up the throttle it stays around 1200. I think its to hot at 1/4 to 1/2. What do you guys think?