Crank movement side to side end play
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Stage IV
Joined: Jan 2022
Posts: 4
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From: New Zealand
Crank movement side to side end play
I have a 96ci dyna With my motor fully teared down and just the crank in the casing should I I be able to pull on the crank sharft and move it left to righ???? Or does the cam plate and Pinion bolt hold it in place???
Seasoned HDF Member
Joined: Oct 2019
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From: OH
The end play is controlled on the sprocket side of crank when assembled
Watch Kevin Baxters "harley timken bearing conversion" video for an explanation of how the stock set up works
Watch Kevin Baxters "harley timken bearing conversion" video for an explanation of how the stock set up works
Last edited by eighteight; Jan 26, 2022 at 05:27 AM.
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Stage IV
Joined: Jan 2022
Posts: 4
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From: New Zealand
Thanks bro yea i havewatch alot of his video he gone through everythingbut nothing showing the crank moving side to side pulling on the sprocket side or Pinion side. So is it normal for this movement until everthings back on the motor on the primary side
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Joined: Sep 2009
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From: deland,florida
the non timken motors (03 up) run roller bearings on both sides,the compensator holds the FW assy in the proper place.if the compensator is removed (or comes loose) the FW`s will move back & forth in the case.perfecly normal
Banned
Joined: Sep 2009
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From: deland,florida
are you splitting the cases? if so do yourself a favor & install a Timken conversion,
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Grand HDF Member
Joined: Sep 2017
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From: Dubuque, IA
Quoted from another website on the need for a Timken bearing.
...I asked John at Darkhorse the question and his response was "why not but let me check on it." Believe it or not, he suggested that the Timken left side upgrade was probably not necessary with what he's seen. He also stated that the roller bearings may even be preferable due to the fact that the stock cases are no longer line bored. The roller bearing supported cranks "self-align" better.
There ya have it. I know I'm not losing any sleep with lefty bearings with my S&S crank. But if you want to throw money away, I'm sure Kirby will take it.
Funny, the guy that did my S&S wheels said the same thing Darkhorse did.
...I asked John at Darkhorse the question and his response was "why not but let me check on it." Believe it or not, he suggested that the Timken left side upgrade was probably not necessary with what he's seen. He also stated that the roller bearings may even be preferable due to the fact that the stock cases are no longer line bored. The roller bearing supported cranks "self-align" better.
There ya have it. I know I'm not losing any sleep with lefty bearings with my S&S crank. But if you want to throw money away, I'm sure Kirby will take it.
Funny, the guy that did my S&S wheels said the same thing Darkhorse did.
Last edited by 60Gunner; Feb 14, 2022 at 12:37 PM.
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Banned
Joined: Sep 2009
Posts: 3,569
Likes: 624
From: deland,florida
Quoted from another website on the need for a Timken bearing.
...I asked John at Darkhorse the question and his response was "why not but let me check on it." Believe it or not, he suggested that the Timken left side upgrade was probably not necessary with what he's seen. He also stated that the roller bearings may even be preferable due to the fact that the stock cases are no longer line bored. The roller bearing supported cranks "self-align" better.
There ya have it. I know I'm not losing any sleep with lefty bearings with my S&S crank. But if you want to throw money away, I'm sure Kirby will take it.
Funny, the guy that did my S&S wheels said the same thing Darkhorse did.
...I asked John at Darkhorse the question and his response was "why not but let me check on it." Believe it or not, he suggested that the Timken left side upgrade was probably not necessary with what he's seen. He also stated that the roller bearings may even be preferable due to the fact that the stock cases are no longer line bored. The roller bearing supported cranks "self-align" better.
There ya have it. I know I'm not losing any sleep with lefty bearings with my S&S crank. But if you want to throw money away, I'm sure Kirby will take it.
Funny, the guy that did my S&S wheels said the same thing Darkhorse did.
Grand HDF Member
Joined: Sep 2017
Posts: 4,359
Likes: 1,219
From: Dubuque, IA
Full disclosure. John actually elaborated on that quote later. Sometimes yes, sometimes no is the short answer. This is why they want both case halves sent in. Sometimes the Timken might help. Sometimes it can actually hinder alignment. It's a case by case thing. Show me issues with the lefty bearing installed cranks. You can't. No weld either. Seen issues with a weld busting loose too. Not a pretty sight. S&S cranks don't get welded.
Last edited by 60Gunner; Feb 15, 2022 at 01:49 PM.