What is the best method for removing the prop hub retaining bolt and hub? Is it a standard or reverse thread? What method would you suggest to hold the engine from turning over while I'm trying to loosen the bolt? I have a bolt with the same thread as the spark plug hole I could use to stop the piston, and though I've used that method on smaller engines I'm not sure if it's safe for a 53cc, I'm guessing much more force will be necessary and I'm afraid it will damage the piston or plug threads. And finally, is the hub pressed on to the crank or should it come off realtively easily once the retaining bolt is removed?
Thanks in advance!
ps - put 6 flights on the sukhoi I got used that I told you about, it's the best flying plane I can ever remember flying.
I made a lever that bolts to the front of the hub to hold it and it has a hole in the center so I can put a socket wrench over the center bolt to loosen it. It's a standard left hand thread. I don't recommenc holding it with the bolt in the plug hole, I don't know what that might do internally.
The hub is pressed on and you will need a puller. I use a prop drill jig assembled with the nub pointing into the crankshaft and tighten the 5mm screws into the hub. IF you don't have a drill jig you'll need to make something.
TF