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warped rocker box

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Old Aug 3, 2015 | 09:45 AM
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Default warped rocker box

Can someone pls tell a good diy fix for warped rocker boxes .my bike is a 95 dyna wg ..
I have read a lot of threads 1 person wrote very briefly about using 80 grit and 60 grit sand paper on crome boxes . My concern is mine have small ridges on the bottom . If I sanded slowly threw the ridge to a flat surface seems like it would work fine but I just don't know ?
 
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Old Aug 3, 2015 | 10:03 AM
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One guy had good luck with this procedure.
Put a shop rag down on a flat concrete floor.
Lay the warped rockerbox on the shop rag then lay another shop rag on top.
Hit it with a hand tamper.
He said it flattened his right out.
I don't remember the thread or who did it but that is what he did.
 
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Old Aug 3, 2015 | 10:53 AM
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Originally Posted by texashillcountry
One guy had good luck with this procedure.
Put a shop rag down on a flat concrete floor.
Lay the warped rockerbox on the shop rag then lay another shop rag on top.
Hit it with a hand tamper.
He said it flattened his right out.
I don't remember the thread or who did it but that is what he did.
That sounds like the "at this point, I've got nothing to lose" procedure.
 
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Old Aug 3, 2015 | 11:25 AM
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Originally Posted by 0maha
That sounds like the "at this point, I've got nothing to lose" procedure.
To be honest I would try that method before I tried sand paper.
Sand paper will flatten out the groove the gasket sits in.

The easiest way of course is to just get new rocker boxes.
 
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Old Aug 3, 2015 | 12:12 PM
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The easiest do it yourself fix is to drive yourself down to the local MoCo stealership and order a new part. Also pick up a new set of gaskets while you're there or order a good aftermarket set online.

From my painful experience with warped rockerbox covers, once they're bad, throw them in the trash.
 
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Old Aug 3, 2015 | 06:03 PM
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I've seen a video on YouTube of a guy beating them flat looks like a long shot at best and I suppose if the sanding method worked having them resurfaced at a machine shop would be a common procedure. ...
 

Last edited by Dyna12345678; Aug 3, 2015 at 06:06 PM.
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Old Aug 8, 2015 | 07:29 PM
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I bought new parts to fix mine once and for all on my 89 EG
 
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Old Aug 8, 2015 | 07:36 PM
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Default warped rocker box

Before I smacked it id get some flat steel and use a shop press. But eBay is cheap for replacement parts. Be ready if the hammer or press doesn't work. Why not some good gasket sealer. $5 might get you through to winter
 
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Old Aug 8, 2015 | 08:04 PM
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Originally Posted by kp877
Before I smacked it id get some flat steel and use a shop press. But eBay is cheap for replacement parts. Be ready if the hammer or press doesn't work. Why not some good gasket sealer. $5 might get you through to winter
I wouldn't recommend the gasket sealer.
If any of it gets loose it could clog an oil passage and then a warped rocker box will be the least of your problems.
 
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Old Aug 9, 2015 | 09:28 AM
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Is this the top one of the three parts?

I noticed one of mine was slightly warped but it never leaked on the bike.
 
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