Exhausted....
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Elite HDF Member
Joined: Oct 2005
Posts: 3,872
Likes: 83
From: Canton, Michigan
As I posted in the other thread, I'm done messing with it, and the Thunderheader will be going on the bike in a couple of days (going to wait for the hylomar to set up before putting any oil in the trans).
Road Captain
Joined: Aug 2012
Posts: 625
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From: New Albany, Ms.
Rue of thumb
Standard rule of thumb, Internal threads are 1.5 x diameter of said fastener.
(Example)
For a .250 bolt, you need , at a minimum of .375 length of threads.
Any more , is just a waste.
Ride Safe,
Harold
(Example)
For a .250 bolt, you need , at a minimum of .375 length of threads.
Any more , is just a waste.
Ride Safe,
Harold
Last edited by LowriderHarold; Mar 18, 2017 at 02:41 PM.
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Elite HDF Member
Joined: Oct 2005
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From: Canton, Michigan
It's a 5/16-18 fastener, so my martini affected math equates that to 15/32" of thread. Definitely don't thing the area where the fastener goes in is that thick. Maybe a tad over .375"?
Either way, I'm not tearing into the transmission this year. Which would be the ultimate 'fix' for the problem. As long as it is nothing more than a minor seepage, I'm going to live with it, until the trans takes a dump (highly unlikely)...
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Elite HDF Member
Joined: Oct 2005
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From: Canton, Michigan
Okay, I've scoured my 1993 FSM, and I cannot for the life of me find any reference to the torque spec for the headpipe flanges. A good amount of internet searching doesn't seem to come up with a definitive value.
Would 10-15 lb/ft be correct? Or what? Gutentite???
Would 10-15 lb/ft be correct? Or what? Gutentite???
Dirt don't hurt
Joined: Jan 2011
Posts: 21,065
Likes: 4,561
From: Haslet Texas
I usually just use the gutentite setting.
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Elite HDF Member
Joined: Oct 2005
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From: Canton, Michigan
Yeah, where the flanges attach to the heads. From all I could glean off the internet, it was 96-120 in/lbs. Just surprised that the FSM didn't have any reference to it. I'll tighten them to 75 in/lbs and go from there.
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Elite HDF Member
Joined: Oct 2005
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From: Canton, Michigan
On....
Got it all on. The Kuryakan floorboard spacers are a definite necessity. Heat shields were a real puzzle. I'm still a bit uncertain about the one from the rear cylinder, but it's ON!
On to the next repair: Handlebar replacement...
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From: Ohio
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Road Captain
Joined: Aug 2012
Posts: 625
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From: New Albany, Ms.
[QUOTE=Hackd;16045983]
Got it all on. The Kuryakan floorboard spacers are a definite necessity. Heat shields were a real puzzle. I'm still a bit uncertain about the one from the rear cylinder, but it's ON!QUOTE]
Looks good! Need a video with sound!
Ride Safe,
harold
Got it all on. The Kuryakan floorboard spacers are a definite necessity. Heat shields were a real puzzle. I'm still a bit uncertain about the one from the rear cylinder, but it's ON!QUOTE]
Looks good! Need a video with sound!
Ride Safe,
harold
Dirt don't hurt
Joined: Jan 2011
Posts: 21,065
Likes: 4,561
From: Haslet Texas
I found the torque specs for mine in chapter 4.