EVO All Evo Model Discussion

Clutch questions

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Old May 25, 2012 | 11:21 PM
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Default Clutch questions

I had the spring plate come apart in my 95 ultra. Took to my local Indy to fix because I didnt have the spring tool. First off we think my mainshaft is bent because I have lateral runout in the clutch basket. Seems odd as I am a car tech and have never seen or heard of a bent mainshaft in a trans. Is it logical that's it bent or could there be other issues. I also have thought about changing clutch to the 6 bolt twin cam style will this just bolt in or will have to change the gear set also

Thanks chopper bob
 
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Old May 26, 2012 | 12:23 AM
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Yes sounds odd hey.
Any play in the shaft?
 
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Old May 26, 2012 | 06:13 AM
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If you grab the clutch basket at say 3 and 9 there'd is very minimal movement same with 12 and 6 but you can rotate the clutch by hand and you can see the wobble in the clutch basket and the primary chain will get loose and tight. Rear drive belt pulley doesn't wobble. Rides and shifts great. No noise or vibes just seems weird
 
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Old May 26, 2012 | 07:44 AM
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tranny mainshaft bent is highly unlikely, IMO.... i have never heard of that....if that is bent, you would have had other problems in your tranny besides the spring plate falling apart

change out the friction plates and discs with a barnett extra plate kit and be on your way
 
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Old May 26, 2012 | 07:55 AM
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Obviously something is bent from your description. Besides the main shaft, I would think that the clutch basket to main shaft junction might be the source. Regardless, when it all comes off, put a dial indicator on the main shaft and see what the runout is. If it's bent, you'll know for sure then.
 
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Old May 26, 2012 | 08:04 AM
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The Indy restacked the pack with the needed plates and steels like I said its shifts like butter and no noise or vibes but I would still like to know if I could run a 96" clutch setup with the six bolts for ease of disassembly
 
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Old May 26, 2012 | 03:04 PM
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Originally Posted by Chopperbob
I had the spring plate come apart in my 95 ultra. Took to my local Indy to fix because I didnt have the spring tool. First off we think my mainshaft is bent because I have lateral runout in the clutch basket. Seems odd as I am a car tech and have never seen or heard of a bent mainshaft in a trans. Is it logical that's it bent or could there be other issues. I also have thought about changing clutch to the 6 bolt twin cam style will this just bolt in or will have to change the gear set also

Thanks chopper bob
You could go with a Barnett Scorpion inner clutch hub kit as an option. I just installed one last March and am really pleased with the results. The kit came with 3-sets of coil springs.
 
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Old May 26, 2012 | 07:26 PM
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I would love to do the Barnett upgrade but can't afford it I find complete clutch set ups from new bike cheap I just need to know if it will fit
 
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Old May 27, 2012 | 09:02 PM
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The clutch basket will wobble when you rotate the mainshaft, don`t worry about it.

Normal.
 
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Old May 27, 2012 | 09:20 PM
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wtf???????????
really why would it wobble. i have never paid attention the 6 billion times the primary cover has been off. but this is the first clutch issue i have ever had with any of my bikes.
 
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