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   Post on Kitfox IV 582 vs. 912(80hp) only in Kitfox IV

   By motortommy, posted 3 Aug 2022

   I know that this topic has been discussed several times, but anyway I would like to ask for some real life experiences. There should be folks who meanwhile have experience with both 2 and 4 stroke powerplants…
   Due to microlight regulation I`m interested mainly in comparison of 65(582) vs. 80 hp (912). So no focus on 912uls, zipper, edge,… options
   Is the swap worth the effort? Why/why not?
   Aside from short following pro and con list, how did your Kitfox IV changed? What real life numbers did you gain?
   
   con
    
   cost (engine, mount, prop, accessories,…)additional weightno ideal installation with early mount (oiltank, carb position, …)approval procedure neededno quick and easy swap (cowling, cooling System, avionics,… are affected)…
   pro
    
   improved reliabilitysimplified operation proceduresbetter resale value of the planeincreased performance (cruise/climb)…
   Thanks for any insights!