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SAE or metric?

 
  #1  
Old 11-03-2018, 11:12 PM
handirifle
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Default SAE or metric?

So far working on my bike it seems I have had ro use both. Which is is supposed to be, SAE or metric sizes?

While I am at it, anyone know what size and thread pitch the bolts that hold the muffler to the crossover pipe is on a 2007 Sportster? Switching my foot controls out, I came across one that the head of the bolt was rounded, and I need to replace it. I am referring to the ones that bolt from underneath, and are slightly larger than a 1/4-20 bolt. About 1" long.
 
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Old 11-04-2018, 01:31 AM
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Here is the parts catalog that has the part number to the size reference you are looking for
https://serviceinfo.harley-davidson....portster+parts
 
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Old 11-04-2018, 02:59 AM
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Originally Posted by handirifle View Post
So far working on my bike it seems I have had ro use both. Which is is supposed to be, SAE or metric sizes?

While I am at it, anyone know what size and thread pitch the bolts that hold the muffler to the crossover pipe is on a 2007 Sportster? Switching my foot controls out, I came across one that the head of the bolt was rounded, and I need to replace it. I am referring to the ones that bolt from underneath, and are slightly larger than a 1/4-20 bolt. About 1" long.

its supposed to be all SAE, the previous owner must have sabotaged the bike with mystery metric sizes.
 
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Old 11-04-2018, 03:04 AM
Andy from Sandy
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Brake calipers might be metric.
I have just been messing with a 2008 Custom and the stock muffler to transfer pipe are 1/2" AF and the muffler to header clamp are 9/16" AF. What the actual thread size is I don't know.
 
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Old 11-04-2018, 04:19 AM
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Originally Posted by Madnss View Post
its supposed to be all SAE, the previous owner must have sabotaged the bike with mystery metric sizes.
Not true - metric stuff is slowly creeping onto our Harleys and not before time. My new 1974 Harley had 10mm battery terminal bolts! Your Government signed off a metric Law back in 1975, but forgot to say when it should start! In the meantime be aware that some metric tools may be required when servicing our bikes.
 
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  #6  
Old 11-04-2018, 05:13 AM
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You will need both SAE and Metric, but will use SAE the most … I have three different 1996 models and find both types on all three … an excuse to buy more tools ...
 
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Old 11-04-2018, 06:13 AM
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Originally Posted by handirifle View Post
So far working on my bike it seems I have had ro use both. Which is is supposed to be, SAE or metric sizes?

While I am at it, anyone know what size and thread pitch the bolts that hold the muffler to the crossover pipe is on a 2007 Sportster? Switching my foot controls out, I came across one that the head of the bolt was rounded, and I need to replace it. I am referring to the ones that bolt from underneath, and are slightly larger than a 1/4-20 bolt. About 1" long.
Are you talking about #2 in the diagram?



 
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Old 11-04-2018, 11:09 AM
handirifle
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Wow lots of good responses. You guys are great. I looked through the catalog and got the bolt number and size, lol. Ut now see it posted. I will stop at hardware store after church. HD dealer is 45 miles away.

Catalog is good to have.

The odd metric I found was the ball screw for the rear brake actuator rod. It was metric, but all the others were sae. Unless it was some real oddball sae size. I couldn't see well enough yesterday to see what size metric.

I need to save that catalog to my ipad so I will have it in the future.
 
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Old 11-04-2018, 11:15 AM
Andy from Sandy
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On a 2007 year bike with the master cylinder under the back isolator the brake rod assembly I think you will find is a T30 torx. Or do you have some kind of Chinese knock-off?

http://partsfinder.onlinemicrofiche....R%20W/%20PEDAL
 

Last edited by Andy from Sandy; 11-04-2018 at 11:16 AM.
  #10  
Old 11-04-2018, 11:25 AM
handirifle
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LOL well I told you guys I couldn't see very well. Amazing I got the think off without stripping it. Didn't even slip.

Thats funny. Duh!
 

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