Proper engine removal help

I would repair it by putting a helicoil in it then this puts it back to the original size and you will have stainless steel threads. Most machine shops have the kits if you do not want to buy one as they are about $30 or maybe more as I have not bought one in a while as I have all the kits I need.
 
It's a lot easier to find standard stuff in the states
define standard?

standard as is used by virtually the whole world? metric, ISO.

or standard as is used in just one particular country that also uses quaint units of measurement? imperial.

strange that "imperial" was originally british, (who even now have gone metric) and the first country to "declare independence" from the imperial regime, decided to stick with the "imperial regime's" measurements...
 
BTW I did end up finding a friend with heli coil
Hi, ive got a Skyhawk 5 motor which had tab great for me. Recently though, I lightly scraped the exhaust on a step/curb. When I got home I noticed one of the two bolts that was holding the exhaust pipe had rattled loose. The threads in the aluminum stripped out.

I plan to use tap and die changing from 6mm to 1/4". I don't have enough space to do this this with motor mounted obviously. So my question is what have I got to do besides remove the mounting brackets to remove the motor? Help is kindly appreciated. (Turned fuel line off)
Easiest way to free clutch line? Or arm? Etc..
I ended up finding someone who let me have some of their 1/4" helicoil. Got it installed and it's held up nicely
 
Ah now that the problem is resolved, back to the "standard/metric" blather:
Very fittingly, exactly 200 years after they declared independence, the USA went officially metric in 1976.
40 years later it seems not all got the memo.

As for pulling the engine for rethreading repair, I would just pull the cylinder.
You have the exhaust removed, 2 more nuts remove the intake, 4 head nuts - BAMMM!
Slide the head off, slide the cylinder off, WHAM! There it is in your hand, easy to work on.
Ideally you either didn't damage the gaskets, have new ones or cut some out of empty soda cans.
Slide it all back together, torque the nuts so they don't strip or loosen and SHABANG! Yer ridin'!

Steve
 
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