BMW K bikes (Bricks)

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1Back to top Go down   1991 k 100 tank Empty 1991 k 100 tank Tue Jun 22, 2021 3:53 pm

Barnie68

Barnie68
active member
active member
Evening i have found a couple of small holes in my 1991 K-100 LT petrol tank. 
I know from looking for a replacement there are many different tanks. 
Could i ask if anyone know what tank should fit my bike and if any other model’s tanks will fit. 
Thanks in advance. 
Thanks 
Barnie68

    

2Back to top Go down   1991 k 100 tank Empty Re: 1991 k 100 tank Tue Jun 22, 2021 6:15 pm

MartinW

MartinW
Life time member
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Before you outlay the money for a new tank, consider other options. You will need to assess how bad the damage is. My preferred repair would be to have the holes welded. A good welder experienced in TIG welding should be able to assess the damage and give you a quote. There are also chemical coating products that can mixed and added to the tank to provide a fuel proof lining. The other solution is to use a fuel proof putty. 
Regards Martin.


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K75s Hybrid
    

3Back to top Go down   1991 k 100 tank Empty Re: 1991 k 100 tank Tue Jun 22, 2021 7:38 pm

yamaguzzi

yamaguzzi
Life time member
Life time member
This stuff is what I use to fix fuel tanks.It holds up to all fuels and seals small pin holes and leaking joints. It's an epoxy of some sort.
Fuel Tank Sealer


__________________________________________________
1988 K 100RS ,1975 Moto Guzzi 850-T , 1971 BMW R60/5 , 1971 Yamaha R5B,1969 Yamaha DS6C ,1966 Yamaha YM1 , 1965 Yamaha YDS3
https://motoguzzi850t.blogspot.com/
    

4Back to top Go down   1991 k 100 tank Empty Re: 1991 k 100 tank Tue Jun 22, 2021 8:12 pm

Barnie68

Barnie68
active member
active member
Thanks martin 
My friend has been back on the phone both side have holes. We are going to try get it welded first but i thought i would ask if the welding dont work. Sadly my mate does not have a mig he has just bought a nice very good welder just not a mig one. 
We will look into it. 
Thanks
Barnie68 
😎

    

5Back to top Go down   1991 k 100 tank Empty Re: 1991 k 100 tank Tue Jun 22, 2021 8:17 pm

Barnie68

Barnie68
active member
active member
Hi yamaguzzi
I have looked up the sealer but due to that silly boat captain they have no supplies till mid june but i will try and find some 
Cheers 
Barnie68 
😎

    

6Back to top Go down   1991 k 100 tank Empty Re: 1991 k 100 tank Tue Jun 22, 2021 11:55 pm

MartinW

MartinW
Life time member
Life time member
TIG is the preferred method of welding aluminium, you can also use oxy/acetylene welding with aluminium solder sticks. Due to the tank being pretty thin unless you know what your doing it's pretty easy to blow holes in it. I'd probably try and find a specialist welder.
Regards Martin.


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K75s Hybrid
    

7Back to top Go down   1991 k 100 tank Empty K-100 tank Wed Jun 23, 2021 3:36 am

Barnie68

Barnie68
active member
active member
Hi martin 
my friend is going to try mending it before we give up and get someone else look at it. 
If it cant be done i will have to buy another one but fingers crossed as there are so many tanks we have no idea wot one we would have to use. 
Thanks for your advice and hopefully it will work. 
Stay safe
Barnie68

    

8Back to top Go down   1991 k 100 tank Empty Re: 1991 k 100 tank Wed Jun 23, 2021 3:39 am

MartinW

MartinW
Life time member
Life time member
Halfords do a fuel tank repair putty.
Regards Martin.


__________________________________________________
K75s Hybrid
    

9Back to top Go down   1991 k 100 tank Empty K 100 tank Wed Jun 23, 2021 3:42 am

Barnie68

Barnie68
active member
active member
Thanks martin i will let my mate know as he has the bike and i wont be seeing him for a couple of weeks. 
Thanks again
😎

    

10Back to top Go down   1991 k 100 tank Empty Re: 1991 k 100 tank Fri Jun 25, 2021 1:11 am

Two Wheels Better

Two Wheels Better
Moderator
Moderator
@Barnie68 wrote:Evening i have found a couple of small holes in my 1991 K-100 LT petrol tank. 
I know from looking for a replacement there are many different tanks. 
Could i ask if anyone know what tank should fit my bike and if any other model’s tanks will fit. 
Thanks in advance. 
Thanks 
Barnie68
Go HERE
Note the part number, item 1
Click on that number
Note the model Katalogues it's in
Click on those Katalogues
Determine which models share the tank you need
Don't get fooled by the list of models, actually click on the the various models in the chain
Too easy


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1970 R60/5, '77 R75/7-R100, '85 K100'87 K75C, '87 K100RS, '93 K11-K12 Big Block, '93 K1100RS, '95 R100-Mystic, '96 K1100RS, '98 K1200RS, '00 K1200RS, '02 K1200RS, '03 K1200GT, '04 R1150R'04 R1150RT, '05 K1200S, '06 K1200R, '07 K1200R, '09 K1300GT, 2013 R1200RT-P & 2022 S1000XR Triple Black



"It does not do to leave a live dragon out of your calculations, if you live near him."
~J.R.R. Tolkien
    

11Back to top Go down   1991 k 100 tank Empty Re: 1991 k 100 tank Fri Jun 25, 2021 7:45 am

moriarti

moriarti
Life time member
Life time member
Hi mate SLOSH tank sealant is readily available in UK same  type of product as Mr Y suggested. Very good feed back as well  Very Happy Very Happy


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1984 k100 rs red/black VIN  0004449
    

12Back to top Go down   1991 k 100 tank Empty Re: 1991 k 100 tank Fri Jun 25, 2021 12:30 pm

Barnie68

Barnie68
active member
active member
Thanks moriarti
I have ordered tank putty already which we are going to try. 
Thanks again. 
Barnie68
😎

    

13Back to top Go down   1991 k 100 tank Empty Re: 1991 k 100 tank Fri Jun 25, 2021 1:04 pm

Dai

Dai
Life time member
Life time member
Halfords tank putty works fine. I've sealed two tanks with that stuff - just follow the instructions and make sure the area is scrupulously clean after you've roughed it up.


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1983 K100 upgraded to K100RS spec, 1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

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