looking forward to seeing more post on this motor as it looks as though not enough people have alot of time on it.can anyone tell me what the carb number is assuming it is a walbro carb.i my self fly da50 and da100.althought they are pricey they perform great.would like to pick up a dl50 to put in a winter plane im building now.can anyone here that is using a throttle curve tell me how well the transition of the motor is around hover point.just to let the previous poster know.the first time you put gas thru a new motor (carb) its diaphram is dry.making its pump function less.once you get the diaphram wet with gas it will pump just fine.a easy way to prime the carb is ,ignition off,place finger over carb opening or full choke.rock the prop back and forth past the compression stoke.(ignition off) this will draw fuel in instead of flip the prop continously.