Lifan motorcycle engine

[Wisdom Ray]

Hey Guys, I am new here and need your help. I want to build a one seater light aircraft but I cant get the engine here in Nigeria, I googled some engine but they are expensive to me so i want you Masters to help analyse these Lifan motorcycle engine from the link below and tell me if any of them will be applicable
156FMI-2H/162FMJ-L | Lifan Thailand

244FMI/247FMJ/244FMI-B/247FMJ-B | Lifan Thailand


2V49FMM | Lifan Thailand

I can remove the gear if anyone is applicable. Your advise and suggestion will take me to the next level

 

[Wisdom Ray]

 

[Aircar]

 

[Dana]

 

[revkev6]

 

[Kristoffon]

 

[roverjohn]

 

[Kristoffon]

 

[Erudite Celt]

 

[slociviccoupe]

 

[Kram]

 

[slociviccoupe]

 

[Trongchaet]

 

[Trongchaet]

 

[Jan Carlsson]

 

[Trongchaet]