The Husqvarna thread

Any 3120 experts...
I decided to put a few project saws together that i got parts for
I got this saw in a box, PO was pissed at it and busted all the fins off the cylinder and one off the flywheel.
I found a busted coil with the imprint of threads on it, and a matching set on the flywheel.
The replacement flywheel has a weight on the back of it, which the original does not.Any one seen that befor
And is it the 272 coil that can be used on the 3120
Thanks
 
Forgot to add the pivs
And that was before cannabis
Another question
The perimiter of the oilpump was sealed to the crankcase with silicon.I removed the oil pump to clean the saw and it was full of oily sawdust.Is there any reason for the silicon?
It wasn't working for keeping behind the pump clean.Maybe poor application? I dont think the pump had ever been removed as there was thread locker on the bolts .
Thanks
 

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Any 3120 experts...
I decided to put a few project saws together that i got parts for
I got this saw in a box, PO was pissed at it and busted all the fins off the cylinder and one off the flywheel.
I found a busted coil with the imprint of threads on it, and a matching set on the flywheel.
The replacement flywheel has a weight on the back of it, which the original does not.Any one seen that befor
And is it the 272 coil that can be used on the 3120
Thanks
Yes for the 272 coil you have to cut a new notch to time the flywheel to use it.