ok i have a 1968 johnson 6hp cd_25a it ran fine then i put it in my bro in laws shed and he loaned it out and it came back with parts missing so I ordered a new float a new fuel pump and new carb rebuild kit off Iboats but the float doesnt fit i would like to get a little help to find the right on i ordered a 18 7210 its to big also took it out and the prop seems to be free spinning on the shaft any help with that would be greatly appreciated it ran fine before he loaned it out my bro in law