Crank run-out
Thread Starter
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Road Master
Joined: Apr 2009
Posts: 772
Likes: 101
From: Oxford MI
Crank run-out
Well, about to jump into my cams. I got all the parts and tools (I think), watched the J&P Cycle video and read the threads on here.
It all seems quite within my reach. I do have a couple questions though (and I'm sure there will be some that pop up along the way) so here is one;
Crank run-out! Do I need to worry about it? I have read a couple threads and they seem to lean toward not worrying about it unless I'm putting in gear drive cams, which I'm not.
The bike only has about 6000ish miles on it plus I'm using chain drive cams plus I wouldn't know how to check it, nor do I have the tool plus the whole thing just scares me...lol
Thoughts?
(This is when you guys come on here and say, "You'll be fine, just throw the new cams in there!" or, "6000 miles?! Do you ever even ride the thing?! Run-out smun-out, plug those cams in and fire that smoke wagon up!!" or, "No gear drivin cams? Don't worry about that run-out, cam it and take that sled for a ride!!!")
It all seems quite within my reach. I do have a couple questions though (and I'm sure there will be some that pop up along the way) so here is one;
Crank run-out! Do I need to worry about it? I have read a couple threads and they seem to lean toward not worrying about it unless I'm putting in gear drive cams, which I'm not.
The bike only has about 6000ish miles on it plus I'm using chain drive cams plus I wouldn't know how to check it, nor do I have the tool plus the whole thing just scares me...lol
Thoughts?
(This is when you guys come on here and say, "You'll be fine, just throw the new cams in there!" or, "6000 miles?! Do you ever even ride the thing?! Run-out smun-out, plug those cams in and fire that smoke wagon up!!" or, "No gear drivin cams? Don't worry about that run-out, cam it and take that sled for a ride!!!")
Tourer
Joined: May 2009
Posts: 310
Likes: 0
From: Des Moines, IA
Where do you get the micrometer to do the measurement?
If you can measure it, sure why not. But it seems you'll have two outcomes if you're installing a chain-drive cam: either "hey, I could have installed a gear drive cam!" or "whoah, good thing I'm installing a chain-drive cam!"
Put in the cams and ride it, you'll be fine, 6000 miles yada yada yada.
If you can measure it, sure why not. But it seems you'll have two outcomes if you're installing a chain-drive cam: either "hey, I could have installed a gear drive cam!" or "whoah, good thing I'm installing a chain-drive cam!"
Put in the cams and ride it, you'll be fine, 6000 miles yada yada yada.
Thread Starter
|
Road Master
Joined: Apr 2009
Posts: 772
Likes: 101
From: Oxford MI
Where do you get the micrometer to do the measurement?
If you can measure it, sure why not. But it seems you'll have two outcomes if you're installing a chain-drive cam: either "hey, I could have installed a gear drive cam!" or "whoah, good thing I'm installing a chain-drive cam!"
If you can measure it, sure why not. But it seems you'll have two outcomes if you're installing a chain-drive cam: either "hey, I could have installed a gear drive cam!" or "whoah, good thing I'm installing a chain-drive cam!"
Fookin' win win...
This is comin' from a guy with limited knowledge on things like this (me)...
Last edited by ramu3527; Jun 30, 2012 at 07:18 PM.
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Seasoned HDF Member
Joined: Mar 2007
Posts: 66,948
Likes: 4,573
From: TOAK western branch
Yea prolly wouldnt worry about it but while I was in there and have the tool in the tool box why not. The tool is like 160 at Napa.
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6th Gear
Joined: Oct 2012
Posts: 10
Likes: 0
From: canada
Crank run out
Heard a lot about this subject before going through some problems of my own. Decided to go with gear drive cams on my 07 night train. Found out my crank run out was 22thou with 9000 miles on the bike and had to replace it. Not cheap!! I was pretty disapointed to say the least.
Could have stayed with the chain drives to save cash but it didnt make sense to do so. One of my plastic tensioners was pretty eaten up which in turn scored my oil pump.
Word of advice, check or have your crank run out verified before spending the dough on a set of gear drive cams.
2007 Night Train
heads port & polished
S&S gear drive 570 cams
V&H short shots
Could have stayed with the chain drives to save cash but it didnt make sense to do so. One of my plastic tensioners was pretty eaten up which in turn scored my oil pump.
Word of advice, check or have your crank run out verified before spending the dough on a set of gear drive cams.
2007 Night Train
heads port & polished
S&S gear drive 570 cams
V&H short shots