2017 df20a 3000-4000rpm stutter/stalling

[cstraubs]

Posting as a defeated man..lol....this 2017 motor is whooping me. It consistantly will always hard stutter from 3000-4000rpm. Runs perfectly above an below this RPM range. I got the suzuki software/datalogger. No codes stored, the only thing that stands out that the injector pulse will randomly drop to zero, but no everytime it stutters. Luckily my buddy has the same motor so I've swapped many parts with no avail. Motor has new spark plugs,coil,fuel filter and low pressure fuel pump. I have swapped the cam sensor,map sensor, ambient air temp sensor,and complete fuel lank and hose with his unit. STILL stutters. I also checked the crank to flyweight specs and reset it. I've pulled every last hair out trying to get this thing fixed with no luck.....thanks guys!! Bobby

 

[stickerbush]

Have you tried swapping in new plug wires? Done any troubleshooting that would isolate problem to spark or fueling?

 

[cstraubs]

Have you tried swapping in new plug wires? Done any troubleshooting that would isolate problem to spark or fueling?

Brand new coil,wires,endcaps and plugs