Date: 01-06-24  Time: 14:01 pm

Author Topic: Exhaust port headers?  (Read 1099 times)

bigfootpete

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Exhaust port headers?
« on: 04 August 2013, 10:42:16 am »
Not sure of the exact term for them, but I'm talking about the connection between the exhaust outlet and the exhaust headers.

Mine are looking pretty rusty and corroded, I was looking at getting them replaced, any recommendations?

Falcon 269

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Re: Exhaust port headers?
« Reply #1 on: 04 August 2013, 05:49:13 pm »
If the exhaust collars are corroded badly, chances are the studs and nuts aren't too clever, either. :(

Thousands of these in breakers yards, though.  Failing that, new from Yamaha dealer as I don't know of any pattern part replacements.  Use stainless dome nuts on the studs, too. :)

solorider

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Re: Exhaust port headers?
« Reply #2 on: 05 August 2013, 04:18:01 pm »
If you don't want to lose the exup then you will have to fit an original system, If your exup is no good and you are not worried about it there is a pattern down pipes for the thou, there is one for sale In the sale section, that system is a 4-2-1 rather than the 4-1 as original, that pipe will give an improvement in the midrange so should help to replace some of the power lost because of the lack of an exup valve.

PieEater

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Re: Exhaust port headers?
« Reply #3 on: 05 August 2013, 05:52:29 pm »
I would be wary of fitting the Sandy Spares headers and would perhaps do some more research before going this route e.g.;
http://foc-u.co.uk/index.php/topic,2580.msg
http://foc-u.co.uk/index.php/topic,5710.msg

Given the choice IMHO you would be better off with a decent used replacement set.

bigfootpete

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Re: Exhaust port headers?
« Reply #4 on: 08 August 2013, 08:23:44 pm »
Thanks, might try breakers yards first as that sounds like the cheapest route :-)

Exupnut

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Re: Exhaust port headers?
« Reply #5 on: 08 August 2013, 10:32:22 pm »
Bad foccer juku eddie
Just flapping about on this stagnant little pond on the outer rim of the internet.....yup....  :-))