Exhaust question.

[Richard stevely]

At the weekend I removed the original BMW collector and can and replaced them with a Remus Y piece and Sebring can.

Not being mechanically minded can someone please help with the following....

Is it neceesary to have some sort of rubber washer / damper where the can fits onto the frame (see blue arrow)

One of the joints between the header pipes and Y piece leaked despite tightening clip. What to do ?.....use a couple of clips or is there any type of paste to be used to get a better seal ?

Richard

 

[Steptoe]

Not familier with the sebring can, but most have a rubber washer/buffer, to help dampen vibration, which can lead to cracks in the can/Y piece. .

Use silicone sealer to cure any leaks.

 

[Richard stevely]

Thanks Neil

The Sebring can just has a metal bracket with a hole through so I will reinstall using some form of rubber washer between it and the bike frame. However, as you might be able to see from the pic, there is a rubber seal beneath the large clip that goes all the way round the can which I presume helps to dampen.

Is there a silicon sealant specifically made for use with exhausts or will any do provided it can withstand the correct temperature. Is it just a case of smearing this on the outside of one pipe before slipping the larger pipe over it.

Regards

 

[Noel]

Any clear silicone will do, but you can get low acid silicone specific for automotive use, but all will with stand the temprature.

 

[finglonga]

Yellow Bath/Shower sealant would suit.

I used the stuff they use to seal fish tanks with no problems.

 

[pomm001]

Any clear silicone will do, but you can get low acid silicone specific for automotive use, but all will with stand the temprature.

If you have to use a silicone sealant for exhaust check the temperature range with the manufacture, the best i have seen is about 250 c in spikes check the loctite or 3 M sites for data sheets , i am not aware of any automotive use on exhausts
Dont whatever you do use it on the Y piece upstream of the Lamda sensor
silicone can / will poisen the Lamda ( google it )
cheap sh*t B&Q bathroom, amine cure sealers ( smells like vinegar ) should not be confussed with automotive grade sealers.