My Rotax 912B (4005029) needs to have the oil pump replaced to comply with Service Bulletin SB-912-032UL. My mechanic just informed me that that little jewel will set me back about $2,200 parts, labor and shipping! Yeouch!
Anybody find a less costly, safe solution?

I'm working with Shamrock Air Services out of Delaware, Ohio. Nice folks. Granted, this engine hasn't been maintained per Rotax recommendations. Here are some other big ticket items they have estimated that you may find of interest:

5 Year Rubber Replacement Parts: $952. Labor: 15 hours at $74/hr
Overhaul carburetors Parts: $850. Labor: 5 hours at $74/hr
Gearbox work Parts: $649 Labor: 10 hours at $74/hr
Annual Condition 12 hours at $74/hr