Forum - Briggs & Stratton Racing
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Olywhizzer

Registered: 10/07/13
Posts: 10
Reply with quote  #1 
What's the safe cutoff for exhaust gas temp??
BriggsRacing1

Registered: 06/22/11
Posts: 173
Reply with quote  #2 
Oly,
     There is a little more to the word 'safe' than just a defined temperature but, in general, you should see anywhere from 1,100-1,300 degrees with a probe approx. 2 inches above the exhaust flange.  Please be aware that it is illegal to run probes under most sanctioning body rules in competition and in doing also puts you illegal in that a wrapped header is manditory.  

The 206 rules mandate the main nozzle, emulsion tube, pilot and main jets making your 'tuning' tool to come from slide needle adjustments.  For every clip move up or down you are changing the surface area of the main jet by 2%.  Your entire range, up or down will not get you in harms way.

Our carburetor tuning guide, which I would recommend, is under the documents tab of each engine.


Olywhizzer

Registered: 10/07/13
Posts: 10
Reply with quote  #3 
It's in my boys snocross sled.... The temp ive been seeing is around 1250.. So I think I'm good..
BriggsRacing1

Registered: 06/22/11
Posts: 173
Reply with quote  #4 
You are definitely good!
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