I'm having problems with my XJ11not staying in first gear. So, I flipped it over and here's where I'm at:
Counter shaft bolt was completely loose and had worn to a point on the threaded end and a rounded top on the hex end.


1: What caused the bolt to back out? My dad did the 2nd gear dremmel fix in 2001 or so, then I bought the bike from him and rode it for over 15 years with no issues. There were no extra shims or washers.
2: Would this be a good reason for the bike not to stay in 1st gear? (I assume yes, but would like to know the mechanical reason why).
3: I have a nice set of gears that have no dog or slot issues that I have put in. I did the washer swap first on the new set. Thankfully I had an extra counter shaft bolt. I bought some red locktite and plan on using that. Do the threads and receiving end of the shaft need to be oil free for the locktite to work?
4: Looking at microfiche for the XJ it shows a washer before the countershaft bolt. But in some other images, specifically this one, there isn't one shown. Difference from XS to XJ perhaps? I neglected to note if this washer goes on the outside of the case or inside of the case. I assume outside. Am I right?

5: I don't have shift forks to compare so would love your thoughts on these. How do they look?

Once its all back together, I need to sell it if anyone is interested. It's listed in the for sale forum here. Thanks for your help!
Counter shaft bolt was completely loose and had worn to a point on the threaded end and a rounded top on the hex end.
1: What caused the bolt to back out? My dad did the 2nd gear dremmel fix in 2001 or so, then I bought the bike from him and rode it for over 15 years with no issues. There were no extra shims or washers.
2: Would this be a good reason for the bike not to stay in 1st gear? (I assume yes, but would like to know the mechanical reason why).
3: I have a nice set of gears that have no dog or slot issues that I have put in. I did the washer swap first on the new set. Thankfully I had an extra counter shaft bolt. I bought some red locktite and plan on using that. Do the threads and receiving end of the shaft need to be oil free for the locktite to work?
4: Looking at microfiche for the XJ it shows a washer before the countershaft bolt. But in some other images, specifically this one, there isn't one shown. Difference from XS to XJ perhaps? I neglected to note if this washer goes on the outside of the case or inside of the case. I assume outside. Am I right?
5: I don't have shift forks to compare so would love your thoughts on these. How do they look?
Once its all back together, I need to sell it if anyone is interested. It's listed in the for sale forum here. Thanks for your help!
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