Author Topic: Koni shock rebuilder?  (Read 5030 times)

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Offline newday777

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Re: Koni shock rebuilder?
« Reply #25 on: February 17, 2023, 01:25:28 AM »

Every used aftermarket shock I ever bought was junk, these Koni's and a set of Progressives.   


Are you saying the Koni shocks aren't what we thought they were back I'm the day and are junk?(your last sentence)
Edit after re-reading your sentence, my oh dark thirty foggy mind missed the "every USED aftermarket shocks"

I have 2 sets of Koni steel shocks I would like to rebuild if we can get the parts needed for them, including the piece that disintegrate inside to update them. The ones on my K5 are still operating so I'd like to rebuild them before they go south on me. And I need to dig out the set from my dad's K6 to see if they are viable still.
« Last Edit: February 17, 2023, 02:00:22 AM by newday777 »
Stu
Honda Parts manager in the mid 1970s Nashua Honda
My current rides
1975 K5 Planet Blue my summer ride, it was a friend's bike I worked with at the Honda shop in 76, lots of fun to be on it again
1976 K6 Anteres Red rebuilding project, was originally my brother's that I set up from the crate, it'll breath again soon!
Project 750s, 2 K4, 2 K6, 1 K8
2008 GL1800 my daily ride and cross country runner

Prior bikes....
1972 Suzuki GT380 I had charge of it for a year in 1973 while my friend was deployed and learned to love street riding....
New CB450 K7 after my friend returned...
New CB750 K5 Planet Blue, demise by ex cousin in law at 9,000 miles...
New CB750 K6 Anteres Red, to replace the totaled K5, I sold this K6 at 45k in 1983, I had heavily modified it, many great memories on it and have missed it greatly.....
1983 GL1100A, 1999 GL1500 SE, 1999 GL1500A

Offline newday777

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Re: Koni shock rebuilder?
« Reply #26 on: February 17, 2023, 01:49:43 AM »
I made a tool for Ikon shocks.  But the pair I got is wrong length for any of my bikes. So i just got the plug out, cleaned everything amd put it away. 


Anybody interested in a pair of Ikon shocks?  I can post picture and number tomorrow.

Aluminum or Steel shocks? Length?

That picture is the tool you made?(kinda hard to see it with it on that rough surface and shadows, it melds into the surface)
« Last Edit: February 17, 2023, 02:01:39 AM by newday777 »
Stu
Honda Parts manager in the mid 1970s Nashua Honda
My current rides
1975 K5 Planet Blue my summer ride, it was a friend's bike I worked with at the Honda shop in 76, lots of fun to be on it again
1976 K6 Anteres Red rebuilding project, was originally my brother's that I set up from the crate, it'll breath again soon!
Project 750s, 2 K4, 2 K6, 1 K8
2008 GL1800 my daily ride and cross country runner

Prior bikes....
1972 Suzuki GT380 I had charge of it for a year in 1973 while my friend was deployed and learned to love street riding....
New CB450 K7 after my friend returned...
New CB750 K5 Planet Blue, demise by ex cousin in law at 9,000 miles...
New CB750 K6 Anteres Red, to replace the totaled K5, I sold this K6 at 45k in 1983, I had heavily modified it, many great memories on it and have missed it greatly.....
1983 GL1100A, 1999 GL1500 SE, 1999 GL1500A

Offline 70CB750

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Re: Koni shock rebuilder?
« Reply #27 on: February 17, 2023, 02:55:26 AM »
Here is one of the shocks.  14.25" I say.  7610P-1413.

Offline 70CB750

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Re: Koni shock rebuilder?
« Reply #28 on: February 17, 2023, 03:00:20 AM »
I made a tool for Ikon shocks.  But the pair I got is wrong length for any of my bikes. So i just got the plug out, cleaned everything amd put it away. 


Anybody interested in a pair of Ikon shocks?  I can post picture and number tomorrow.

Aluminum or Steel shocks? Length?

That picture is the tool you made?(kinda hard to see it with it on that rough surface and shadows, it melds into the surface)

Yes.  That's the tool ..I used a piece of an axle and hardened the teeth in oil. I am glad I did. 

Offline Don R

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Re: Koni shock rebuilder?
« Reply #29 on: February 17, 2023, 04:48:43 AM »
  i neglected to mention, these Koni's and one progressive are stuck solid. Apparently there's a plastic washer that melts in the shock oil. I'm not sure it that can be remedied.
No matter how many times you paint over a shadow, it's still there.
 CEO at the no kill motorcycle shop.
 You don't need a weatherman to know which way the wind blows.

Offline newday777

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Re: Koni shock rebuilder?
« Reply #30 on: February 17, 2023, 09:08:07 AM »
Here is one of the shocks.  14.25" I say.  7610P-1413.
Too long for my 750
Stu
Honda Parts manager in the mid 1970s Nashua Honda
My current rides
1975 K5 Planet Blue my summer ride, it was a friend's bike I worked with at the Honda shop in 76, lots of fun to be on it again
1976 K6 Anteres Red rebuilding project, was originally my brother's that I set up from the crate, it'll breath again soon!
Project 750s, 2 K4, 2 K6, 1 K8
2008 GL1800 my daily ride and cross country runner

Prior bikes....
1972 Suzuki GT380 I had charge of it for a year in 1973 while my friend was deployed and learned to love street riding....
New CB450 K7 after my friend returned...
New CB750 K5 Planet Blue, demise by ex cousin in law at 9,000 miles...
New CB750 K6 Anteres Red, to replace the totaled K5, I sold this K6 at 45k in 1983, I had heavily modified it, many great memories on it and have missed it greatly.....
1983 GL1100A, 1999 GL1500 SE, 1999 GL1500A

Offline 70CB750

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Re: Koni shock rebuilder?
« Reply #31 on: February 17, 2023, 10:45:08 AM »
Here is one of the shocks.  14.25" I say.  7610P-1413.
Too long for my 750

Thats why they are just hanging in my shop.

Offline Terry in Australia

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Re: Koni shock rebuilder?
« Reply #32 on: February 17, 2023, 10:35:01 PM »
Those shocks are for a DOHC CB900, I mistakenly bought a pair for my second F2 and they jacked the back up so high that when it was on the side stand it looked like it wanted to fall over. ;D
I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline grcamna2

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Re: Koni shock rebuilder?
« Reply #33 on: February 17, 2023, 10:53:09 PM »
subscribed
75' CB400F/'bunch o' parts' & 81' CB125S modded to a 'CB200S'
  I love the small ones too !
Do your BEST...nobody can take that away from you.

Offline Don R

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Re: Koni shock rebuilder?
« Reply #34 on: February 24, 2023, 02:43:16 PM »
 I got the shocks apart today, I used my press to remove the springs. Next, I wire brushed the tops and rolled the shock while tapping the threaded area with a soft hammer on my vise's anvil pad and a doubled rag.
 I soaked the tops with penetrating oil and heated the top a little with a propane torch. I tapped a drift pin into one hole and turned the insert with a crescent wrench over the shaft and drift pin. Surprisingly, both of them screwed right off. When they heated I could see the penetrating oil bubble out so I allowed it to cool and suck some oil back in.

 I had some trouble getting the melted (factory defect) seals to slide out of the interior cylinder but I got them both out.  It's obvious what went wrong in here, the rubber has turned to mush and sticks to the cylinder walls. I used some air tool oil in a hydraulic cylinder once with the same sticky result.
 Unfortunately, one shaft has a couple pits in it, I sanded them with 1,000 grit sandpaper. I used a thin wall socket and removed the end of the shaft bolt then turned the seal holder off and got them apart.

The mailman didn't bring my seals, the ebay seller isn't very prompt. I purchased the kit feb 16, they shipped on the 24th.  Michigan to here would be next day ups but post office will take a week.
« Last Edit: February 24, 2023, 10:12:23 PM by Don R »
No matter how many times you paint over a shadow, it's still there.
 CEO at the no kill motorcycle shop.
 You don't need a weatherman to know which way the wind blows.

Offline Don R

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Re: Koni shock rebuilder?
« Reply #35 on: February 24, 2023, 10:33:28 PM »
   The pen points to the offending piece of rubber,
« Last Edit: February 24, 2023, 10:35:36 PM by Don R »
No matter how many times you paint over a shadow, it's still there.
 CEO at the no kill motorcycle shop.
 You don't need a weatherman to know which way the wind blows.

Offline grcamna2

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Re: Koni shock rebuilder?
« Reply #36 on: February 24, 2023, 11:38:57 PM »
   The pen points to the offending piece of rubber,

A Koni parts supply dealer is in MI. ?
75' CB400F/'bunch o' parts' & 81' CB125S modded to a 'CB200S'
  I love the small ones too !
Do your BEST...nobody can take that away from you.

Offline Don R

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Re: Koni shock rebuilder?
« Reply #37 on: February 25, 2023, 11:36:54 AM »
 This isn't official koni stuff, it's a guy that sells a seal kit on ebay. My results may vary. I'll keep everyone informed of my success or lack of. 
No matter how many times you paint over a shadow, it's still there.
 CEO at the no kill motorcycle shop.
 You don't need a weatherman to know which way the wind blows.

Offline gschuld

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Re: Koni shock rebuilder?
« Reply #38 on: February 27, 2023, 12:17:34 PM »
FWIW, Robert Haag rhaagusa@yahoo.com has rebuilt several sets of vintage Konis for me.  Super pleased with his work.  He recently moved to Wichita Kansas.  I just emailed him and he is doing Koni shock rebuilds again.

I recommend him highly.

George

Offline Don R

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Re: Koni shock rebuilder?
« Reply #39 on: February 27, 2023, 05:57:54 PM »
 The Ebay kit didn't work so on to plan B.
« Last Edit: February 27, 2023, 06:11:16 PM by Don R »
No matter how many times you paint over a shadow, it's still there.
 CEO at the no kill motorcycle shop.
 You don't need a weatherman to know which way the wind blows.

Offline gschuld

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Re: Koni shock rebuilder?
« Reply #40 on: February 28, 2023, 06:40:50 AM »
I’d be shocked if Robert Haag did not have what you need.

George

Offline Don R

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Re: Koni shock rebuilder?
« Reply #41 on: February 28, 2023, 09:00:32 AM »
 I might be shocked if he does. Get it? I made a joke there.
No matter how many times you paint over a shadow, it's still there.
 CEO at the no kill motorcycle shop.
 You don't need a weatherman to know which way the wind blows.

Offline gschuld

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Re: Koni shock rebuilder?
« Reply #42 on: February 28, 2023, 10:17:43 AM »
Nice

Offline grcamna2

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Re: Koni shock rebuilder?
« Reply #43 on: February 28, 2023, 10:17:57 AM »
I might be shocked if he does. Get it? I made a joke there.

A good shock that lasts?  :o  ;D
75' CB400F/'bunch o' parts' & 81' CB125S modded to a 'CB200S'
  I love the small ones too !
Do your BEST...nobody can take that away from you.

Offline Don R

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Re: Koni shock rebuilder?
« Reply #44 on: February 28, 2023, 10:54:56 AM »
shocked= having shocks
No matter how many times you paint over a shadow, it's still there.
 CEO at the no kill motorcycle shop.
 You don't need a weatherman to know which way the wind blows.

Offline Terry in Australia

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Re: Koni shock rebuilder?
« Reply #45 on: February 28, 2023, 11:27:06 AM »
Yes Don, we got it….. ;D
I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline Don R

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Re: Koni shock rebuilder?
« Reply #46 on: February 28, 2023, 03:17:53 PM »
 L0L.
No matter how many times you paint over a shadow, it's still there.
 CEO at the no kill motorcycle shop.
 You don't need a weatherman to know which way the wind blows.

Offline Don R

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Re: Koni shock rebuilder?
« Reply #47 on: March 06, 2023, 12:26:48 PM »
 I figured out the shock seals, I have all of them except the one I need the most, the gummy one that rides above the piston.
No matter how many times you paint over a shadow, it's still there.
 CEO at the no kill motorcycle shop.
 You don't need a weatherman to know which way the wind blows.

Offline Stev-o

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Re: Koni shock rebuilder?
« Reply #48 on: March 06, 2023, 12:49:15 PM »
FWIW, Robert Haag rhaagusa@yahoo.com

Hey George...that name seems to ring a bell. Was he a member here?  Or maybe I'm thinking of the hockey player?!
'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........

Offline Don R

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Re: Koni shock rebuilder?
« Reply #49 on: April 03, 2023, 10:49:29 PM »
 It turns out the missing part from my kit is the gummy plastic / rubber washer that dissolves into the oil. It is called a top out washer and may or may not even be used in a particular shock. Most of the photos of freshly taken apart shocks I've found don't even show it in place. 

http://forums.sohc4.net/index.php/topic,189439.msg2201810.html#msg2201810
No matter how many times you paint over a shadow, it's still there.
 CEO at the no kill motorcycle shop.
 You don't need a weatherman to know which way the wind blows.