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I don’t want to give you wrong info.So... Is it ok to use those 046 cranks?
Obviously it spun a bit in the inner race.
The big end is smooth and tight. Shame I need to toss it.
View attachment 356168
At least in the saws I’ve done they held up. There was a slight interference fit, but nothing like the other Stihl models.
I realized it when a saw came back with a bad flywheel side SKF bearing. The PTO side fit was loose. I figured that must have caused the fly side failure (cause nothing else was wrong). I started going through my cases to get a “good” crank and after I pulled 3-4 of them and tried various OEM PTO bearings I realized the issue. The same OEM 6202 PTO bearings were not slip fit on any other crank from 026-044.
I tried to stipple one with proper V block support. The material is so tough that it was not possible for me.
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