Customs R18

Hattech definitely doesn’t drag (angled up a bit toward the rear)
 

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The Hattech setup is another example, that the stock exhaust manifold design is quite a challenge for custom builder.

While the exhaust looks good to me, I dislike the section with the little Hattech logo sheet on it.
 
sjeuf12 said:
Hi, I did ask the seller and he came, very fast, back with this respons:

This is airless. There will be a sealing ring inside. thank you​

does that mean that the tank has another external connection to outside pressure? Or what other solution is used nowadays? Do remember that I am of an "older" generation and in our days the blocking of the cap was notorious and could even cause an "implossion" of the tank, due to vaccuum build up while riding/draining....
Anyone??
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All modern vehicles have gas tanks vented through a vapor recovery system, gas caps are no longer vented for this reason..
See picture below charcoal canister vent system..
B0010606.pngIMG_1418.JPG



MAX BMW Motorcycles - BMW Parts & Technical Diagrams - R18 (K34)

BMW Parts for your R18 (K34) Production: 08/19-06/20 USA
shop.maxbmw.com

I have some beach front property for sale in Sao Pessoa..
 
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Matmat said:
The Hattech setup is another example, that the stock exhaust manifold design is quite a challenge for custom builder.

While the exhaust looks good to me, I dislike the section with the little Hattech logo sheet on it.
Click to expand...
Hattech makes a complete exhaust (from manifold back) that is much more clean aesthetically (eliminating that unsightly kink), however, it’s quite spendy. There is one guy on this forum with that setup.
 
Black Dog said:
All modern vehicles have gas tanks vented through a vapor recovery system, gas caps are no longer vented for this reason..
See picture below charcoal canister vent system..
View attachment 3713View attachment 3714



MAX BMW Motorcycles - BMW Parts & Technical Diagrams - R18 (K34)

BMW Parts for your R18 (K34) Production: 08/19-06/20 USA
shop.maxbmw.com

I have some beach front property for sale in Sao Pessoa..
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thanks for the info....my latest (not new) bike before the R18 was a R45.... so this is indeed new for me... I am guessing that the seller on ebay, has no clue on what I am talking about....
 
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I accidentally dropped the locking gas cap and put the 1st small chip on the fuel tank.I've been thinking about this cap as I'm getting old & feeble,LOL! Plus,not sure if I can be trusted with a 10 pound gas cap!!!
It is supposed to be non-vented.Which is needed for the evaporation-cannester system on the BMW R18.
 
If anyone has the stock locking one they want to get rid of please let me know.

I had two plans. The first one used my 100k mile roundel that was taking up drawer space. Now I need a replacement for plan b.

Thanks for your help.
 

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R18C said:
I accidentally dropped the locking gas cap and put the 1st small chip on the fuel tank.I've been thinking about this cap as I'm getting old & feeble,LOL! Plus,not sure if I can be trusted with a 10 pound gas cap!!!
It is supposed to be non-vented.Which is needed for the evaporation-cannester system on the BMW R18.
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I am all the way with you on this.... the original gas cap is not very userfriendly, specially not on older guys like us with Parkinson approching and Alzheimer Light round the corner.... that's why I gonna order such a china thing, just for the heck of it...
 
sjeuf12 said:
I am all the way with you on this.... the original gas cap is not very userfriendly, specially not on older guys like us with Parkinson approching and Alzheimer Light round the corner.... that's why I gonna order such a china thing, just for the heck of it...
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Monza style caps are not uncommon and have been used on many many motos. I haven't looked but I would expect one could find a quality piece if they wanted.
 
Matmat said:
The Hattech setup is another example, that the stock exhaust manifold design is quite a challenge for custom builder.

While the exhaust looks good to me, I dislike the section with the little Hattech logo sheet on
Click to expand...
Matmat said:
The Hattech setup is another example, that the stock exhaust manifold design is quite a challenge for custom builder.

While the exhaust looks good to me, I dislike the section with the little Hattech logo sheet on it.
Click to expand...
In the end, go with a company known for quality; their workmanship and attention to detail is the standard here. Look at how Remus does their shield.
 

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sjeuf12 said:
thanks for the info....my latest (not new) bike before the R18 was a R45.... so this is indeed new for me... I am guessing that the seller on ebay, has no clue on what I am talking about....
Click to expand...
Damn how friggin old are you? If you are that old then you should know, If you have an automobile manufactured after about 1980. they have the same emission control system.
 
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