4010 carb question

I pulled the accelerator pump apart on the USX20 carb off of my 4010 to replace a bad diaphram, and the diaphram spring is broken. I should be able to get a replacement in town, but after looking at it, it looks like mine might be too long. Anybody got a length for that spring? Mine is 1 5/8", and when installed is over halfway compressed and seems too stiff.
 
I don't have one in front of me to measure at the moment, but what
you're saying sounds normal.
I know it's always necessary to sandwich the cover, diaphragm, and
spring to get the screws started in the rear cover.
MikeS.
 

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