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TECHNICAL MOTOBRICK WRENCHING In Remembrance of Inge K. => The Motobrick Workshop => Topic started by: renseno on May 13, 2020, 05:57:14 AM

Title: Something fell out of my Gear Box
Post by: renseno on May 13, 2020, 05:57:14 AM

So yup, i'm dumb. I wanted to take a look inside the gearbox/transmission. As I was removing the cover, this piece came out (see photos). I didn't get the chance to see where it came from. I checked the repair manual and BMW Max site and checked all the parts. I can't figure it out. Anyone by chance know what this is and where it goes?

Title: Re: Something fell out of my Gear Box
Post by: Laitch on May 13, 2020, 06:23:43 AM

What was your reason for disassembly? Was the shift lever loose and shifting gears a problem?

Title: Re: Something fell out of my Gear Box
Post by: The Mighty Gryphon on May 13, 2020, 07:27:59 AM

That is the roller that is on the end of the shift forks.  It rides in the shift drum grooves.  If you are having trouble shifting, that roller not being where it belongs is the reason.


B0000547.png (28.17 kB . 510x360 - viewed 316 times)

It's #5 in the drawing.  P/N 23 31 1 451 114 

Title: Re: Something fell out of my Gear Box
Post by: renseno on May 13, 2020, 09:00:17 PM

thank you! yea it wasn't shifting right. i guess it slipped out  177381

Title: Re: Something fell out of my Gear Box
Post by: The Mighty Gryphon on May 13, 2020, 09:18:10 PM

As far as  I know, they don't fall out.  Is the bike new to you?  Is it possible someone else has been in the transmission and let it fall off the fork before you got the bike? 

I had to tighten the grub screw in my K75RT and one of the rollers gave me fits when I was putting it back together.