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Crank Run Out 96 CI Motors 2007

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  #1  
Old 03-03-2017, 03:50 PM
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Default Crank Run Out 96 CI Motors 2007

let me hear ya,, should be a lot to be said, if not check it.. wanting to hear who else is seeing or having issues, I hear more and more and none of which is good news, going to ask HD dealer / motor doctor and see if they will be honest. Will advise
 
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Old 03-03-2017, 10:53 PM
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Mines an 07 and I'm too scared to check. Upgraded to 107 and Woods 555 cams. I'll run it till it grenades but so far so good.
 

Last edited by Gozzie; 03-03-2017 at 11:29 PM.
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Old 03-04-2017, 03:07 AM
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I just checked the runout on my 2007 night train cause I am installing cams. I have only checked my cam side but it measured a little over .002 without the camplate. I have owned the bike since new and my riding style has always been heavy handed and I never lug the motor. I Always cruse 2000-2500 rpms. I don't have the best numbers but I can live with them.
 
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Old 03-04-2017, 05:14 AM
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Is there a problem or is it just the sky falling. You have .012 tolerance for chain driven cams. Harley can hit that with no problem.
 
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Old 03-04-2017, 05:58 AM
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Originally Posted by RIPSAW
Is there a problem or is it just the sky falling. You have .012 tolerance for chain driven cams. Harley can hit that with no problem.
.012 run out is exactly the run-out my friends 07 road king had.

He only discovered this because he wanted a cam upgrade.
 
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Old 03-04-2017, 10:53 AM
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'07 was the first year for a new crank supplier; an off shore source IIRC. There were some quality issues that year being the first year for the new supplier and, while the evidence is anecdotal, the '07 model year appears to have a higher incidence of crank issues than the following years as the new supplier sorted out the quality issues. It is interesting to note that '07 is the year that the MoCo increased the crank run out spec for warranty purposes from .003" to .012".
 
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Old 03-04-2017, 01:45 PM
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Mine may hold together forever but I wont be installing gear drive cams in it.
 
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Old 03-06-2017, 10:58 AM
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2004's were the worst, and 2007's were then next.
 
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Old 03-07-2017, 08:12 PM
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07 dyna with FM 107 kit w/ woods 555 cams

0.005 (rounded up, not exactly 0.005, it was around 0.0045 - 0.0046 but choosed to round up to cover on gauge error margin) runout, checked a few months ago.

I had a emergency brake well before I installed the 107 kit, i guess the crank hasn't moved from the time it was built at the factory, I'll check the runout again once I have to dissasemble the cam chest for whatever reason.

I run her hard at times and so far so good.
 
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Old 03-08-2017, 01:27 PM
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got insight from 40 year HD master mechanic, before tearing motor back down after cam upgrade. He check the bushing on the cam plate as a "reference only" to how much the crank has moved. He advised, that if crank is slopping back and forth, the brass bushing will be effected "soft material". When checked in multiple ways, up to checking run out on a Bridgeport and inside mic and rotating the mic, the most we could get was .00010. He said ride it, and we would be OK. So do not have crank numbers but feel we did what we could without going back into motor to check crank run out "fingers crossed". also wife riding bike, and she is not heavy handed with throttle.
 


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