Has your shift shaft stripped out yet? - Harley Davidson Forums: Harley Davidson Motorcycle Forum
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post #1 of 35 (permalink) Old 01-07-2017, 02:42 PM Thread Starter
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Has your shift shaft stripped out yet?

On another HD Forum I also read I found this thread. From what I read it appears to be a fairly "common issue", although it isn't brought up on this forum. So, I'm wondering how much of an issue this really is on the newer HD touring models.

It appears that the shift shaft's splines strip out (the shaft next to the primary NOT the heel/toe shift shaft). Some have suggested poor material quality and evidently both HD and many dealers are aware of this issue.

Anyway, not being much of a wrench turner myself I'm wondering if this is really a "common issue" or are the other forum's writers blowing this out of proportion, as to it's frequency?

Clicking on the following will take you to the other HD Forum and the specific thread:

Has your shifter shaft stripped yet? - Harley Davidson Forums


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post #2 of 35 (permalink) Old 01-07-2017, 02:59 PM
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Quote:
Originally Posted by rob175 View Post
On another HD Forum I also read I found this thread. From what I read it appears to be a fairly "common issue", although it isn't brought up on this forum. So, I'm wondering how much of an issue this really is on the newer HD touring models.

It appears that the shift shaft's splines strip out (the shaft next to the primary NOT the heel/toe shift shaft). Some have suggested poor material quality and evidently both HD and many dealers are aware of this issue.

Anyway, not being much of a wrench turner myself I'm wondering if this is really a "common issue" or are the other forum's writers blowing this out of proportion, as to it's frequency?

Clicking on the following will take you to the other HD Forum and the specific thread:

Has your shifter shaft stripped yet? - Harley Davidson Forums


Thanks


I have been hearing more and more about this. Seems it gives no warning and you are pretty much stranded when it happens. You would think HD would take care of this.


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post #3 of 35 (permalink) Old 01-07-2017, 03:16 PM
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Mine did twice, heavy foot going around curves and had to change compensator to a Screaming Eagle version

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post #4 of 35 (permalink) Old 01-07-2017, 03:26 PM
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I had this happen on my 84 EGC , if the lever is loose on the spline the vibration will work on it ,and thru time and use make it worse......
left me stuck in 1st gear west of Albany 150 miles from home
On my 89 I took a slice out of the heel/toe shifter pinch point with a cut off wheel & die grinder to tighten down on the spline better .....

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post #5 of 35 (permalink) Old 01-07-2017, 05:01 PM Thread Starter
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They are not talking about the heel/toe shifter spline. They are referring to the other end of the shifter rod near the primary case. Just wanted to clarify the exact part so others will understand. Mine is all wrapped up and put away for the winter so I can't really look at mine for awhile. Maybe a trip to my dealer to check out a new one would be worth it. I can also ask service about its frequency of failure and see if there's anything I can do to prevent it.
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post #6 of 35 (permalink) Old 01-07-2017, 05:11 PM
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Some of the cause can be attributed to the owners stomping on the lever to shift. It makes me cringe when I see some guys shift. Force isn't necessary, just a firm movement until you feel it engage. But, I do check the tightness of all my shift levers as part of maintenance intervals.

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post #7 of 35 (permalink) Old 01-07-2017, 05:20 PM
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Quote:
Originally Posted by Breeze3at View Post
Some of the cause can be attributed to the owners stomping on the lever to shift. It makes me cringe when I see some guys shift. Force isn't necessary, just a firm movement until you feel it engage. But, I do check the tightness of all my shift levers as part of maintenance intervals.
I`m with Breeze on this one, I`ve known many guys who stomped on that heel shifter, then complained that the shift lever on the shift shaft came loose...

It does appear that an incorrect torque was specified on some bikes, which could certainly lead to a problem.

The 2016 service manual calls out the correct torque, which is a bit higher than the value specified in the service bulletin.

Get in there and check that torque, it`s a grade 8 bolt, you aren`t going to hurt it...
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post #8 of 35 (permalink) Old 01-08-2017, 10:41 AM Thread Starter
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Well, since mine is all detailed and wrapped up for the Chicago winter I'll wait til Spring before I inspect and tighten to the correct spec. But from all the posts I've read, it sure does seem to be a frequent issue on many later model HD's.

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post #9 of 35 (permalink) Old 01-08-2017, 11:14 AM
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Stomping on that heal shifter is a main cause of the shift return spring breaking inside the trans. Expensive repair for a $buck spring !

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post #10 of 35 (permalink) Old 01-08-2017, 01:26 PM
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If you check the torque periodically on all the levers and linkages, and press, not stomp, to change gears, you won't have this issue. The only time I approach "stomp" force is engaging 1st gear for the first time of the day.

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