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Help, exhaust pipe loose in head, is there a fix? #317111
06/05/10 9:13 pm
06/05/10 9:13 pm
Joined: Aug 2009
Posts: 125
Birmingham, UK
R
Rob_Heap Offline OP
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Rob_Heap  Offline OP
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R

Joined: Aug 2009
Posts: 125
Birmingham, UK
Hi all, need some help again from you generous folks...

My left hand exhaust pipe is loose in the head and blowing, bike is a 71 TR6 with the push in pipes.

Tried giving the pipe a whack with my rubber hammer but no go, still loose. Can't see any wear marks in the port but suspect it may still be worn. The pipes are none-original and don't have a balance pipe, I do have the original pipes but looking at the marks the PO also had this problem. oddly enough the right side seems ok.

I seem to remember a company in the UK that has a fix for this using a collar with a couple of studs tapped into the head but cant find a link to the company. Failing that is there a simple fix, maybe some sort of exhaust cement?


1971 TR6R Rolling restoration
07 Harley FXSTC 96ci
86 Kaw**ki GPZ900R that has to go...
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Re: Help, exhaust pipe loose in head, is there a fix? [Re: Rob_Heap] #317123
06/05/10 9:43 pm
06/05/10 9:43 pm
Joined: Sep 2007
Posts: 1,859
Charleston SC
Ob1quixote Offline
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Ob1quixote  Offline
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Joined: Sep 2007
Posts: 1,859
Charleston SC
Maybe this tool, carefully and cautiously applied?



http://www.amazon.com/gp/product/B000BN3...Z685230SBMWCMDG


When singing "Kung Fu Fighting" is outlawed, only outlaws will sing "Kung Fu Fighting"
Re: Help, exhaust pipe loose in head, is there a fix? [Re: Ob1quixote] #317143
06/05/10 11:19 pm
06/05/10 11:19 pm
Joined: Sep 2006
Posts: 731
Melbourne Fl
T
Terry_tr6 Offline
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Terry_tr6  Offline
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T

Joined: Sep 2006
Posts: 731
Melbourne Fl
help me out. i thought the 71 tr6's had the spigots that threaded into the heads and the pipes were clamped to them. Were there different versions? Maybe european distribution vs US ?

Re: Help, exhaust pipe loose in head, is there a fix? [Re: Terry_tr6] #317147
06/05/10 11:32 pm
06/05/10 11:32 pm
Joined: Oct 2003
Posts: 11,265
North Georgia, USA
RF Whatley Offline
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RF Whatley  Offline
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Joined: Oct 2003
Posts: 11,265
North Georgia, USA
We fix a lot of BSAs in our shop. They always used the slip-in system too. We've been wiping the inside of the head and the end of the pipe with regular GE silver silicone sealer from Home Depot for 15 years or more.

It works great. If you'll wipe off the excess and just let it sit to cure it will be invisible when finished. It will last up to a year and it doesn't blow out. After a year you'll need to take your pipes off for something else and you simply seal 'er up again.

bigt


Don't hide 'em, Ride 'em !!

RF Whatley
Cornelia, GA
Re: Help, exhaust pipe loose in head, is there a fix? [Re: RF Whatley] #317149
06/05/10 11:40 pm
06/05/10 11:40 pm
Joined: Aug 2009
Posts: 125
Birmingham, UK
R
Rob_Heap Offline OP
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Rob_Heap  Offline OP
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R

Joined: Aug 2009
Posts: 125
Birmingham, UK
Deffo no spigots, bike is registered as a 71, it's a first generation OIF.

That explains why it had traces silicone on the pipes when I got bike, must say I'ma amazed that silicone can stand up to the heat and the pressure....


1971 TR6R Rolling restoration
07 Harley FXSTC 96ci
86 Kaw**ki GPZ900R that has to go...
Re: Help, exhaust pipe loose in head, is there a fix? [Re: Rob_Heap] #317156
06/06/10 12:09 am
06/06/10 12:09 am
Joined: Oct 2003
Posts: 11,265
North Georgia, USA
RF Whatley Offline
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RF Whatley  Offline
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Joined: Oct 2003
Posts: 11,265
North Georgia, USA
There's no real pressure and the heat is only about 350F.


Don't hide 'em, Ride 'em !!

RF Whatley
Cornelia, GA
Re: Help, exhaust pipe loose in head, is there a fix? [Re: RF Whatley] #317220
06/06/10 1:32 pm
06/06/10 1:32 pm
Joined: Aug 2009
Posts: 125
Birmingham, UK
R
Rob_Heap Offline OP
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Rob_Heap  Offline OP
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R

Joined: Aug 2009
Posts: 125
Birmingham, UK
Cheers RF, that's saved me a few bob and a lot of work. The bike is just starting to come together after an extended de-bodge so I really didnt need another lay up of the bike.

Ive traced this Loctite high temp stuff that looks suitable Loctite Premium Silicone 5920 ,can get locally for about five quid.

Suspect that my recent antics while travveling to work on the bike are the cause of the blowout, holding 85mph on the highway and occasional blasts up to the ton to test my bicyle speedo .. ahem...


1971 TR6R Rolling restoration
07 Harley FXSTC 96ci
86 Kaw**ki GPZ900R that has to go...
Re: Help, exhaust pipe loose in head, is there a fix? [Re: Rob_Heap] #317231
06/06/10 3:16 pm
06/06/10 3:16 pm
Joined: Sep 2006
Posts: 205
Rhode Island
cabletech Offline
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cabletech  Offline
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Posts: 205
Rhode Island
I have used J B Weld and it worked great. After two seasons with out a leak the pipes came off with quite some resistance.
None of the JB material was permanently bonded to the pipes or head.





http://jbweld.net/index.php


1983 Husqvarna WR430
1973 T150
1974 T150
1975 T160
1975 T160
I'm now a triple Freak!
Re: Help, exhaust pipe loose in head, is there a fix? [Re: cabletech] #317274
06/06/10 7:41 pm
06/06/10 7:41 pm
Joined: Nov 2005
Posts: 738
Reading UK
twinspin Offline
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twinspin  Offline
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Joined: Nov 2005
Posts: 738
Reading UK
Originally Posted By: cabletech

None of the JB material was permanently bonded to the pipes or head.http://jbweld.net/index.php


How did you manage to achieve that? I don't think that I would recommend that if I wanted to remove them again sometime. Silicone works a treat.


1971 T100R
1970 T120
Re: Help, exhaust pipe loose in head, is there a fix? [Re: twinspin] #317277
06/06/10 7:57 pm
06/06/10 7:57 pm
Joined: Aug 2009
Posts: 125
Birmingham, UK
R
Rob_Heap Offline OP
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Rob_Heap  Offline OP
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R

Joined: Aug 2009
Posts: 125
Birmingham, UK
Found the link for the exhaust seal kit Push-in Exhaust Seal Kit anyone tried these?


1971 TR6R Rolling restoration
07 Harley FXSTC 96ci
86 Kaw**ki GPZ900R that has to go...
Re: Help, exhaust pipe loose in head, is there a fix? [Re: Rob_Heap] #317293
06/06/10 9:12 pm
06/06/10 9:12 pm
Joined: Aug 2007
Posts: 160
England
P
Paul744 Offline
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Paul744  Offline
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P

Joined: Aug 2007
Posts: 160
England
Originally Posted By: Rob_Heap
Found the link for the exhaust seal kit Push-in Exhaust Seal Kit anyone tried these?

Hi Rob,
that looks like the kit from Final Cut Engineering & I know several people who use it and are very happy with it.
HTH

Re: Help, exhaust pipe loose in head, is there a fix? [Re: twinspin] #317296
06/06/10 9:26 pm
06/06/10 9:26 pm
Joined: Oct 2003
Posts: 11,265
North Georgia, USA
RF Whatley Offline
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RF Whatley  Offline
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Joined: Oct 2003
Posts: 11,265
North Georgia, USA
Originally Posted By: twinspin
Silicone works a treat.


And if purchased in a silver color is invisible.


Don't hide 'em, Ride 'em !!

RF Whatley
Cornelia, GA
Re: Help, exhaust pipe loose in head, is there a fix? [Re: RF Whatley] #317356
06/07/10 11:08 am
06/07/10 11:08 am
Joined: Nov 2005
Posts: 738
Reading UK
twinspin Offline
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twinspin  Offline
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Joined: Nov 2005
Posts: 738
Reading UK
There are a lot of different types of silicone sealant with different properties and in this area probably most types will suffice and I am sure that Richard's silver seal serves the purpose and cosmetically is agreeable. I personally find that in the UK high temperature clear silicone adhesive as sold by Maplin is ideal. It seems to possess extra tackiness and doesn't sag like some types. Any excess can be easily wiped away using a cloth and white spirit. Being clear also makes it hard to see where it has been used.


1971 T100R
1970 T120
Re: Help, exhaust pipe loose in head, is there a fix? [Re: twinspin] #317608
06/08/10 7:23 pm
06/08/10 7:23 pm
Joined: Aug 2009
Posts: 125
Birmingham, UK
R
Rob_Heap Offline OP
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Rob_Heap  Offline OP
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R

Joined: Aug 2009
Posts: 125
Birmingham, UK
It works!

Used Loctite 595, temp up to 250C and a gap upto 8mm, left it to harden for a couple of days.

Must say I didnt realise just how tough this stuff is, or that there are so many types.

Many thanks to all for the advice beerchug


1971 TR6R Rolling restoration
07 Harley FXSTC 96ci
86 Kaw**ki GPZ900R that has to go...
Re: Help, exhaust pipe loose in head, is there a fix? [Re: Paul744] #408604
12/14/11 2:04 am
12/14/11 2:04 am
Joined: Dec 2011
Posts: 2
California
J
John Henry Offline
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John Henry  Offline
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J

Joined: Dec 2011
Posts: 2
California
Hello everybody. This is actually my first post to the site....

Does anyone have more feedback/info on the push in pipe seal kit? Do you have to modify the head at all? If I switched to a different set of headers down the line, could I use the kit again? Does the kit really work? Thanks for the help!

Re: Help, exhaust pipe loose in head, is there a fix? [Re: John Henry] #408619
12/14/11 7:12 am
12/14/11 7:12 am
Joined: Jul 2007
Posts: 451
redondo beach, ca
Bob G Offline
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Bob G  Offline
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Joined: Jul 2007
Posts: 451
redondo beach, ca
Another option to consider is the spigot conversion kits that let you use 70 and earlier pipes.


Bob Gregor
Re: Help, exhaust pipe loose in head, is there a fix? [Re: Bob G] #408741
12/15/11 4:55 am
12/15/11 4:55 am
Joined: Dec 2011
Posts: 2
California
J
John Henry Offline
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John Henry  Offline
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J

Joined: Dec 2011
Posts: 2
California
I thought about the spigot conversion, but I'm not quite ready to buy new headers yet.

Re: Help, exhaust pipe loose in head, is there a fix? [Re: Rob_Heap] #408784
12/15/11 4:17 pm
12/15/11 4:17 pm
Joined: Oct 2008
Posts: 5,169
Gnashville
DavidP Offline

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DavidP  Offline

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Joined: Oct 2008
Posts: 5,169
Gnashville
FWIW: My A65 has been converted with the spigots. Previous owner says the ports were wallowed out. Previous owner also used hi-temp JB Weld to install the adapters. Result? RH pipe blew off at speed!
I had the adapters welded in place.


Stepping on others doesn't make you stand tall.

71 A65L "Zelda"
92 BMW K100rs "Gustav"
72 T120V cafe project "Mr. Jim"
72 T150V yet to be named
Re: Help, exhaust pipe loose in head, is there a fix? [Re: cabletech] #408870
12/16/11 3:02 am
12/16/11 3:02 am
Joined: Jun 2007
Posts: 1,649
Douglasville (Atlanta) Georgia
DPO Offline
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DPO  Offline
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Posts: 1,649
Douglasville (Atlanta) Georgia
Originally Posted By: cabletech
I have used J B Weld and it worked great. After two seasons with out a leak the pipes came off with quite some resistance.
None of the JB material was permanently bonded to the pipes or head.

I Love JB WELD! I used it to stop a pesky "seep" coming from my OIF tank where the swingarm is welded. We re-welded best we could, but still had a small seep. Coated entire area with JBW, and have'nt seen a trace, totally dry over a year now....



http://jbweld.net/index.php


If you love it, let it go. If it comes back, you've highsided!"

1971 Triumph T120
2005 Triumph "America"
1976 BMW R90/6
Re: Help, exhaust pipe loose in head, is there a fix? [Re: Rob_Heap] #408881
12/16/11 4:44 am
12/16/11 4:44 am
Joined: Oct 2008
Posts: 5,169
Gnashville
DavidP Offline

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DavidP  Offline

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Joined: Oct 2008
Posts: 5,169
Gnashville
So, who needs fasteners? We got JB Weld and sillycone!

All I know is if that head pipe had gotten under a wheel at 75mph I would not be typing this now.
Proceed at your own peril!


Stepping on others doesn't make you stand tall.

71 A65L "Zelda"
92 BMW K100rs "Gustav"
72 T120V cafe project "Mr. Jim"
72 T150V yet to be named
Re: Help, exhaust pipe loose in head, is there a fix? [Re: Rob_Heap] #408921
12/16/11 2:38 pm
12/16/11 2:38 pm
Joined: Jun 2007
Posts: 144
Deltona, FL
L
lrutt Offline
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lrutt  Offline
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L

Joined: Jun 2007
Posts: 144
Deltona, FL
I'm confused, my 71 OIF Trophy has spigots, Motor is original and has never been apart, only 12k miles. So did Triumph switchover at some time to do away with spigots during 71?


1970 Tiger
1971 Trophy
1973 Commando
1976 CB750k
1965 CA77
1978 CB750k
1970 T250II
1971 RT1B
1977 Lemans
2001 M900
2001 XR650L
1994 FLSTC
2006 XL1200C
1984 XV1000
1981 C70
1973 Z50
1989 Hawk GT
2006 Scrambler
1970 CT90
1965 CT200
1977 R75/7
Re: Help, exhaust pipe loose in head, is there a fix? [Re: Rob_Heap] #408946
12/16/11 5:46 pm
12/16/11 5:46 pm
Joined: Jan 2008
Posts: 1,114
Noblesville, IN
Jack Adams Offline
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Jack Adams  Offline
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Joined: Jan 2008
Posts: 1,114
Noblesville, IN
Triumph changed the head to this set-up in Dec.1971(XG),but this of course was in the 72 model year. Jack

Re: Help, exhaust pipe loose in head, is there a fix? [Re: Rob_Heap] #408954
12/16/11 6:26 pm
12/16/11 6:26 pm
Joined: Jun 2007
Posts: 144
Deltona, FL
L
lrutt Offline
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lrutt  Offline
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L

Joined: Jun 2007
Posts: 144
Deltona, FL
ok, clears that up, thanks


1970 Tiger
1971 Trophy
1973 Commando
1976 CB750k
1965 CA77
1978 CB750k
1970 T250II
1971 RT1B
1977 Lemans
2001 M900
2001 XR650L
1994 FLSTC
2006 XL1200C
1984 XV1000
1981 C70
1973 Z50
1989 Hawk GT
2006 Scrambler
1970 CT90
1965 CT200
1977 R75/7

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