Help! Is there a doctor in the house? My engine was rebuilt and I was in the process of running in the engine but it will not come up to full rpm. Here is what I've checked, warpdrive prop is set to 11 degrees, both carb needles are on the third groove from the top per Rotax, carp tops are level relative to each other, both slides are in sync and will fully open at full throttle. But it will only reach 5500rpm, and will only hold there for a minute before the egt's drop and it slows down to 5000rpm.
I've exhausted my trouble shooting skills, and I'm begging for help. Anyone in Indiana willing to make a house call?