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Old 10-14-2015, 01:39 PM Thread Starter
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Location: Iowa City
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Inner Primary Woes

Hey all, i need some help figuring out whats going on with my bike, and a list of all the parts and pieces to fix it. I dont have ESP.
In the Spring of 2013 I had Drago install 107 and 555 cams(stock compression), new clutch with increased spring, shift shaft lever and seal. All was good for about 8,000 miles until Spring 2014.

I could tell my comp was going, was getting really loud bang on hot starts. I just dealt with it for a couple months(maybe 1,000 more miles), until one day it was making a really different noise while running. I parked the bike immediately until i could afford to have it fixed. Fast fwd about 3 months trailered the bike in to dealer to get fixed. Noticed when the clutch was pulled in the noise would go away. They replaced the inner primary bearing, said it was starting to walk and they replaced the compensator with the latest SE version. So the inner primary bearing/ seals replaced, and new SE Comp installed and the stator.
I didnt ride much as it was now fall/ winter and maybe put 800 miles on the bike. Now its Spring 2015 and bike seems great, except starter is not sounding good. Too many hard starts when the comp was going bad, took out the clutch in my starter. Put in a new battery, and Rebuilt the starter with and All Balls starter clutch. Rode maybe another 1000 miles, and then i herniated a disc in my lower back on the 4th of July.

i rode 500 miles one day, and noticed the comp is making a bunch of noise and so i pulled the outer primary cover off to check the chain tensioner, and the chain was super tight, and i noticed i could move the compensator left and right by hand. Also noticed it didnt have the plastic spout glued in the outer primary case. i reset the chain tensioner, put a new primary seal on and rode it to the dealer to see if they could find whats going on. I was hoping that they would fix my comp since they forgot to put the oil scoop in, and they said that they never put that piece in, as it required a special part and glue, which they didnt have for the first 50 or so SE compensators they replaced.
I asked them to put the oil tray in and they did. Then the tech was thinking, and thought he had some extra plates or Bellville washers around, and tried stacking different ones together to try and reach a certain harley spec. What he was trying to do made sense to me, which was increase spring tension. He found a leak from the transmission seal between the main shaft and main drive gear, right behind the primary. i decide that i will tackle that this winter. I get home and see that my inner shift shaft seal is leaking, again, and my compensator sound louder than before. Turns out, using other used washers, made the spring pack weaker, the opposite of what he was trying to accomplish, so not enough tension on the comp ramps, and causing it to slip to the next slot on the comp spokes.

The other day I installed the Hayden auto tensioner, and the bike has never shifted better. i still need to go back and address the spring pack on the comp, hoping i dont have to buy another one yet, as well as address any possible transmission issues, (hopefully just the seals are leaking), and fix the shift shaft seal. So i will have the inner primary off, what all do i need to make sure i dont have to do this again in a couple thousand miles. The trans seals were not replaced the last time the Inner primary seals/ bearings were replaced.

I have little mechanical knowledge, and even less tools, but im trying to understand all this the best i can, but easily confuse one thing for another so i started writing down parts that should get fixed.

trans mainshaft seal (mainshaft seal?)
Output gear or (output gear bearing?)
Quad Seal?
Left side motor case bearing?
inner primary bearing, seal, race
Clutch hub bearings/
transmission output gear bearings
Shift Shaft oil Seal
Mainshaft bearing
(new mainshaft kit?)
i see S&S has a trans mainshaft bearing race to keep the inner primary bearing race from shifting on the transmission mainshaft, and have hear that with the OEM bearing is great.
It just makes me sick
Comments or suggestions PLEASE from the Mechanical gurus here. Thankyou! DED HD

'10 Red Custom:
check out my build thread for pix and mods
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Last edited by DED HD; 10-14-2015 at 01:42 PM.
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Old 10-14-2015, 02:08 PM
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[URL="http://http://harleytechtalk.org/htt/index.php/topic,86076.0.html"]
Quote:
Originally Posted by DED HD View Post
Hey all, i need some help figuring out whats going on with my bike, and a list of all the parts and pieces to fix it. I dont have ESP.
In the Spring of 2013 I had Drago install 107 and 555 cams(stock compression), new clutch with increased spring, shift shaft lever and seal. All was good for about 8,000 miles until Spring 2014.

I could tell my comp was going, was getting really loud bang on hot starts. I just dealt with it for a couple months(maybe 1,000 more miles), until one day it was making a really different noise while running. I parked the bike immediately until i could afford to have it fixed. Fast fwd about 3 months trailered the bike in to dealer to get fixed. Noticed when the clutch was pulled in the noise would go away. They replaced the inner primary bearing, said it was starting to walk and they replaced the compensator with the latest SE version. So the inner primary bearing/ seals replaced, and new SE Comp installed and the stator.
I didnt ride much as it was now fall/ winter and maybe put 800 miles on the bike. Now its Spring 2015 and bike seems great, except starter is not sounding good. Too many hard starts when the comp was going bad, took out the clutch in my starter. Put in a new battery, and Rebuilt the starter with and All Balls starter clutch. Rode maybe another 1000 miles, and then i herniated a disc in my lower back on the 4th of July.

i rode 500 miles one day, and noticed the comp is making a bunch of noise and so i pulled the outer primary cover off to check the chain tensioner, and the chain was super tight, and i noticed i could move the compensator left and right by hand. Also noticed it didnt have the plastic spout glued in the outer primary case. i reset the chain tensioner, put a new primary seal on and rode it to the dealer to see if they could find whats going on. I was hoping that they would fix my comp since they forgot to put the oil scoop in, and they said that they never put that piece in, as it required a special part and glue, which they didnt have for the first 50 or so SE compensators they replaced.
I asked them to put the oil tray in and they did. Then the tech was thinking, and thought he had some extra plates or Bellville washers around, and tried stacking different ones together to try and reach a certain harley spec. What he was trying to do made sense to me, which was increase spring tension. He found a leak from the transmission seal between the main shaft and main drive gear, right behind the primary. i decide that i will tackle that this winter. I get home and see that my inner shift shaft seal is leaking, again, and my compensator sound louder than before. Turns out, using other used washers, made the spring pack weaker, the opposite of what he was trying to accomplish, so not enough tension on the comp ramps, and causing it to slip to the next slot on the comp spokes.

The other day I installed the Hayden auto tensioner, and the bike has never shifted better. i still need to go back and address the spring pack on the comp, hoping i dont have to buy another one yet, as well as address any possible transmission issues, (hopefully just the seals are leaking), and fix the shift shaft seal. So i will have the inner primary off, what all do i need to make sure i dont have to do this again in a couple thousand miles. The trans seals were not replaced the last time the Inner primary seals/ bearings were replaced.

I have little mechanical knowledge, and even less tools, but im trying to understand all this the best i can, but easily confuse one thing for another so i started writing down parts that should get fixed.

trans mainshaft seal (mainshaft seal?)
Output gear or (output gear bearing?)
Quad Seal?
Left side motor case bearing?
inner primary bearing, seal, race
Clutch hub bearings/
transmission output gear bearings
Shift Shaft oil Seal
Mainshaft bearing
(new mainshaft kit?)
i see S&S has a trans mainshaft bearing race to keep the inner primary bearing race from shifting on the transmission mainshaft, and have hear that with the OEM bearing is great.
It just makes me sick
Comments or suggestions PLEASE from the Mechanical gurus here. Thankyou! DED HD
Without going into detail, go over to HarleyTechTalk and do a search for compensator threads. It does a detailed diagram on the springs and compensator measurements and explains everything. A lot to go into and that will solve it for you easier. Pm me if need be.

This should be the link
http://http://harleytechtalk.org/htt/index.php/topic,86076.0.html

Last edited by Smarty; 10-14-2015 at 02:30 PM.
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Old 10-14-2015, 03:27 PM Thread Starter
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Join Date: Jun 2010
Location: Iowa City
Posts: 4,022
Quote:
Originally Posted by Smarty View Post
[URL="http://http://harleytechtalk.org/htt/index.php/topic,86076.0.html"]

Without going into detail, go over to HarleyTechTalk and do a search for compensator threads. It does a detailed diagram on the springs and compensator measurements and explains everything. A lot to go into and that will solve it for you easier. Pm me if need be.

This should be the link
http://http://harleytechtalk.org/htt/index.php/topic,86076.0.html
i dont subscribe to tech talk and have read and read and read different threads about compensators. i was able to open the link you provided that shows adding additional springs to the pack and its orientation. Thanks! Still want to know more about the IPB failure and trans leaks

'10 Red Custom:
check out my build thread for pix and mods
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Last edited by DED HD; 10-14-2015 at 03:41 PM.
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Old 10-14-2015, 07:57 PM
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Location: Mt. Airy, MD
Posts: 6,081
Check out this thread I did 2-1/2 years ago. I covers some of what you are looking to do.

https://www.roadglide.org/26-engine-r...g-failure.html

You will need some special tools to remove the inner primary bearing race and also some others to get to the main shafts seal on the transmission. I'm going to send you a pm as well.

2009 FLTR MOP
"A Goverment should fear it's people not vice versa"
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