Legend TT 99 repair - Triumph Forum: Triumph Rat Motorcycle Forums
Hinckley Classic Triples 885cc Classic Styled T3's: Legend, Thunderbird, Thunderbird Sport & Adventurer.

 21Likes
Reply
 
LinkBack Thread Tools Display Modes
post #1 of 114 (permalink) Old 06-23-2019, 02:37 PM Thread Starter
Supersport 400
Member
 
SzBalogh's Avatar
 
Join Date: Jun 2019
Posts: 95
Garage
Legend TT 99 repair

Greetings!

My Legend TT 900 was standing for 15, now trying to recover it.
Cylinder head leaking coolant at the back and left side, radiator is also leaking and oil was diluted with gas. Third carb butterfly valve not turning. Gummed gas all ower the carbs. Gas tank contained half liter solid rust.
After reading some topics and articles decided to replace the head gasket. This is however really expensive... considering the other repairs still need to be done. Then, luckily, i found this "When to retorque head bolts?" topic here containing vital informations.
First, they should be retorqued? I missed it, my ride has only 5k miles. I will give it a try tomorrow.
Second, the head bolts can be reused! Any more confirmation on this would be great. Dont want to break the bolts or the threads.

And finally some pictures.
Attached Thumbnails
Click image for larger version

Name:	IMG_0311.jpg
Views:	40
Size:	2.88 MB
ID:	646478   Click image for larger version

Name:	IMG_20190622_200915.jpg
Views:	38
Size:	4.31 MB
ID:	646480   Click image for larger version

Name:	IMG_20190623_122027.jpg
Views:	34
Size:	1.76 MB
ID:	646482   Click image for larger version

Name:	IMG_20190623_172432.jpg
Views:	33
Size:	1.60 MB
ID:	646484  
SzBalogh is offline  
Sponsored Links
Advertisement
 
post #2 of 114 (permalink) Old 06-23-2019, 02:49 PM Thread Starter
Supersport 400
Member
 
SzBalogh's Avatar
 
Join Date: Jun 2019
Posts: 95
Garage
Ok, the butterfly valve is finally free, the gum all over in the carbs was glued it. All carbs still need a proper cleaning.
At least a small success after so much bad news.
Attached Thumbnails
Click image for larger version

Name:	IMG_20190623_190742.jpg
Views:	24
Size:	4.70 MB
ID:	646488   Click image for larger version

Name:	IMG_20190623_204423_1.jpg
Views:	31
Size:	4.69 MB
ID:	646490  
SzBalogh is offline  
post #3 of 114 (permalink) Old 06-23-2019, 04:21 PM
WSC
Site Supporter
Pole Position
Main Motorcycle: '07 Dyna Low Rider
Lifetime Premium
 
WSC's Avatar
 
Join Date: Apr 2012
Location: New Hampshire
Posts: 3,219
Other Motorcycle: '99 Legend TT
Extra Motorcycle: Thunderbolt, T150V
I wouldn't waste a penny or a second repairing anything until you deal with the engine coolant leaks.
SzBalogh likes this.

John
Laconia Bike Week 2019 - See you all next year
2007 HD FXDL
1999 Legend TT
1975 T150V, 1968 BSA Thunderbolt, x2004 Thunderbird Sport
WSC is online now  
 
post #4 of 114 (permalink) Old 06-24-2019, 04:42 AM Thread Starter
Supersport 400
Member
 
SzBalogh's Avatar
 
Join Date: Jun 2019
Posts: 95
Garage
Ok, wrench on the way to me, i will get it in the afternoon.
Meanwhile, i was looking for alternative sources for head gasket. It is around 80 pounds from the UK. Desperately, contacted the hungarian dealer, he was also surprised how expensive it is for this model. Price is well over 100 pounds.
So called one of the manufactures making head gaskets based on samples. Initial price is around 20 pounds.
Anyone has experience with non OEM Triumph head gaskets? Are they any good? Any known alternative source with quality confirmation?
Thank You!
SzBalogh is offline  
post #5 of 114 (permalink) Old 06-24-2019, 10:56 AM Thread Starter
Supersport 400
Member
 
SzBalogh's Avatar
 
Join Date: Jun 2019
Posts: 95
Garage
Wrench arrived, set it to 30Nm but no turning of any screws only clicks. My hope of simple retightening is gone.
Cylinder head tear down comes tomorrow.
For the radiator, i can skip it from the circuit and fill up the engine with coolant/inhibitor to prevent further corrosion until the radiator comes back from repair.
Inside of the tank looks promising after washing with solvent, flushed with water, left with citric acid solution for a few hours then washed with washing soda solution a few times. Now filled with dedicated rust remover. Half day of work and still not completely clean.
SzBalogh is offline  
post #6 of 114 (permalink) Old 06-24-2019, 12:20 PM
Grand Prix 250
Member
 
Bwmxo44's Avatar
 
Join Date: Jun 2018
Posts: 57
If coolant is leaking from underneath the head probably your gasket is started to despair.
After 15 years of standing head gaskets likes to rust. Mine was standing for 11 years and thanks God I decided to take off the cylinder head. Now I regret that I didn’t took pictures of damaged head gasket. Motos ODO was only 3500miles.
About bolts: can you imagine how much work it would require if any of them brake during torquing, they are working in coolant in that engine so you can just imagine how they look like after 15years of standing... I threw out my old bolts...
my one advice is: don’t take shortcuts with your bike. Anyhow I wish you good luck with that project.
SzBalogh likes this.
Bwmxo44 is online now  
post #7 of 114 (permalink) Old 06-24-2019, 12:24 PM
Grand Prix 250
Member
 
Bwmxo44's Avatar
 
Join Date: Jun 2018
Posts: 57
About torquing cylinder head in Triumph Adventurer, engine is the same.

https://youtu.be/1G5DAT3odwM
SzBalogh likes this.
Bwmxo44 is online now  
post #8 of 114 (permalink) Old 06-24-2019, 01:22 PM Thread Starter
Supersport 400
Member
 
SzBalogh's Avatar
 
Join Date: Jun 2019
Posts: 95
Garage
Thank You very much!
We will see how the bolts and threads look like tomorrow
I am afraid that not only the gasket but the head is also corroded :/
SzBalogh is offline  
post #9 of 114 (permalink) Old 06-24-2019, 03:11 PM Thread Starter
Supersport 400
Member
 
SzBalogh's Avatar
 
Join Date: Jun 2019
Posts: 95
Garage
Wow, i just received confirmation on a car repair forum on a local gasket manufacturer. More members say they make quality products. Moreover, once they were supplier for Triumph. Maybe they have gaskets on stock or no need the sample.
SzBalogh is offline  
post #10 of 114 (permalink) Old 06-24-2019, 04:23 PM
WSC
Site Supporter
Pole Position
Main Motorcycle: '07 Dyna Low Rider
Lifetime Premium
 
WSC's Avatar
 
Join Date: Apr 2012
Location: New Hampshire
Posts: 3,219
Other Motorcycle: '99 Legend TT
Extra Motorcycle: Thunderbolt, T150V
Quote:
Originally Posted by SzBalogh View Post
Wrench arrived, set it to 30Nm but no turning of any screws only clicks. My hope of simple retightening is gone.
If you want to try retorquing them, you need to loosen them about 1/4 turn first, then retorque. The torque required to break them loose is always higher than the torque used to tighten them. Do them one at a time, (loosen one, then re-torque it,) in the order specified in the service manual. Don't use the torque wrench to break them loose.

That said, I think the likelihood of success is negligible. It's not leaking because they loosened up, so tightening isn't likely to help.

I don't know if it will work with a wet liner engine, but we used to make head gaskets out of soft copper sheet, back in the day...

John
Laconia Bike Week 2019 - See you all next year
2007 HD FXDL
1999 Legend TT
1975 T150V, 1968 BSA Thunderbolt, x2004 Thunderbird Sport
WSC is online now  
Sponsored Links
Advertisement
 
Reply

Quick Reply
Message:
Options
All posts must adhere to Forum Rules

Register Now



In order to be able to post messages on the Triumph Forum: Triumph Rat Motorcycle Forums forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter your valid email address, that can receive an automated confirmation message. Otherwise, you won't be able to gain full access.

Email Address:
OR

Log-in










Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome