I've been spending a little time with AK Nimrod on the river and he is having a problem with his boat not getting on step. All the power is there, but it will just about kick up to jump on step then start cavitating badly and rev up the RPM's from 4100'ish to 6000+ and it will not jump on step. We pulled the boat and found that the front of the stomp grate had two bolts drop out which let it fall down about an inch and a half. A few hour round trip to Deadhorse to get two bolts later revealed that it wasn't the sole issue. We came closer to getting on step, but it had the same problem.
He has torn it apart three times to clear it out and has not found any rocks or material in the jet unit. He replaced the sleeve and impeller before coming up here, so they are brand new. He is headed to Deadhorse later today because his wife goldstreaked up the old sleeve and impeller. Before he gets here, I was hoping to see if any of you guys had other suggestions on what it could be?