Author Topic: accelerator pump on carb  (Read 1188 times)

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Offline sharkey

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Re: accelerator pump on carb
« on: October 14, 2013, 11:27:31 pm »
Jason,
No gas engine will accelerate off a lean carb.  Because of this, the newest generation of lean run carbs give the intake a shot of fuel to provide for the rpm transition. 

Have you ever worked on an older GM with a Q Jet carb?  Those carbs shot a stream of fuel into the intake to handle the transition.  The idea is the same on your saw just in a smaller amount. 

 

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