Ecomod Maxijet mod problems

Hey all,

I have the ecomod on my mj 500 and it has been working, but it recently stopped. I've replaced the shroud and impeller with the originals and it appears to be working fine, but when I put the extended propeller and shroud back on, it doesn't seem to be turning properly even after a thorough cleaning.

Has anyone experienced these problems and if so, was there an easy fix? I can't seem to find anything with a websearch.

Thanks,
 
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