Have you checked your sprockets recently? I didn't know there were two different spline mount sizes. These fit nothing I have, I think they fit mid size Stihls (290-391).
Take a close look, make sure it will fit your saws. $12 shipped
Huh...I got a chinese knock-off .325 7t rim sprocket and it was WAY loose on the spline, had to eat crow and get a proper Stihl one...that'll teach me.
You still aren't getting it. There are 3 different rim spline sizes. On the large, everybody matches. So you have a large spline (universal), a small spline Stihl and a small spline for everybody else. The fact that your large spline fits the 661 has no bearing on the two different small spline sizes.
Yea I forgot you said that before about the big ones, but when I see plain ol "only Stihl fits Stihl" and I know better, I have to say something. Al was probably talking about the smalls too.
I think it was an 028 Stihl Farm boss that I became aware of the fact .It had the small splines .Weather it came that way or not or might have been changed I don't know .It wasn't a big deal .From a 4 dollar rim sprocket to an 8 dollar OEM .
It's residing in my shed and runs good ,I just don't use it much .
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