Briggs 16hp Horizontal Twin needs choked

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  #1  
Old 04-08-09, 07:59 AM
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Briggs 16hp Horizontal Twin needs choked

Hi my old bolens eliminator with a 16hp briggs horizontal twin has had a problem.

it starts up right away and after warm up, while mowing with throttle all the way up and good revs, it suddenly starts to bog down, lose revs and quits, especially while under load (going uphill, thick grass). if I choke it up a bit during the "losing revs" event, it comes back to life and full revs. it seems that I can sneak the choke back off and it runs fine, until it happens again. no smoke during any of this.

I have had a valve job and rings put in this motor last year. oddly, it seems i had this problem at times even before the valve and rings.

Any help would be greatly appreciated.

Ed
 
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Old 04-08-09, 08:24 PM
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Sounds like the carb is running on the lean side...sometimes too lean. Maybe the float level too low? What engine is this? Try backing out the fuel mixture screw 1/4 turn.
 
  #3  
Old 04-09-09, 08:17 PM
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hi, the engine is a 16hp briggs horizontal twin from about 1984 or so.

i will try to make the adjustments you suggest tomorrow and will post the results.

thanks

Ed
 
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