Jetting change with disconnetion of the engine breather?

Gokai134 · Jan 14, 2008

Hi,

I just wanted to ask how much the disconnetion of the engine breather influences the jetting?
I noticed a noticeable changing in idle speed - can be set easy to "correct" again.
How big is the affect on the other carb-circuts?
Anydody ever checked this(Taffy)?

Regards

Taffy · Jan 14, 2008

IMHO it has nowt to do with carburation. you have simply altered the backpressure etc. so just adjust the idle.

BTW, one of your countrymen (drehwurm -mikael petkov) is building me a bleed system for shock absorbers.

regards

Taffy

Gokai134 · Jan 15, 2008

Hi Taffy,

Austria is indeed a small country, but neverless: who is Mikael Petkov?
Never ever heard of him?! WhereÃ‚Â´s his location or shop? - but, hey I canÃ‚Â´t know everyone...
ThereÃ‚Â´s only one suspension-guy in Austria that I would recomend :
Chris Irod (he works for Ãƒâ€“hlins-Factory in WSB & WSS)

Thanks for your feedback on my question. :thumbright:
IÃ‚Â´m very well aware of your expertise and experience, so I asume youÃ‚Â´re right - as youÃ‚Â´ve tested it?

But isnÃ‚Â´t the backpressure created with air that has been sucked through the carb and then enters engine-internals?
So, in (my) theory the backpressure is a mixture of (hot) air, fuel fumes (burned & unburned )oil & some exhaust-gases ->
that getÃ‚Â´s sucked (sorry - pumped) into the engine again?
disconnect it, and no change at all (expect loosing/missing the backpressure) :?:

Taffy · Jan 15, 2008

you are venting the crankcase better i guess and there is less case pressure stopping the piston going down. drehwurm is his nik on ktmtalk.com and he's from vienna.

regards

Taffy

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Jetting change with disconnetion of the engine breather?

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