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Author Topic: Briggs Vanguard 16 Backfiring  (Read 1747 times)

Offline superfox

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Re: Briggs Vanguard 16 Backfiring
« Reply #7 on: March 29, 2019, 09:45:44 PM »
Oh and I would not recommend that
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Offline superfox

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Re: Briggs Vanguard 16 Backfiring
« Reply #6 on: March 29, 2019, 09:37:29 PM »
My little brother used to weld them together just a hair advanced
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Offline wedge

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Re: Briggs Vanguard 16 Backfiring
« Reply #5 on: March 29, 2019, 07:57:55 AM »
Quote from: superfox on March 29, 2019, 07:38:18 AM
Check flywheel key
iagree Good call ! Forgot about that deal  kik
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Offline superfox

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Re: Briggs Vanguard 16 Backfiring
« Reply #4 on: March 29, 2019, 07:38:18 AM »
Check flywheel key
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Offline wedge

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Re: Briggs Vanguard 16 Backfiring
« Reply #3 on: March 27, 2019, 10:17:51 PM »
Check Plugs and Wires . Also Make sure the Flywheel is not all rusted up where the coil triggers. May need to adjust the air gap there.
Sounds like lean Fire like spark OR the emalsa tube is still clogged  in the carb.

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Offline ascaw

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Re: Briggs Vanguard 16 Backfiring
« Reply #2 on: March 27, 2019, 05:22:25 PM »
Can you post a video of the engine running, idling, increasing and decreasing power?  Seeing and hearing it may help identify your issues.  It could be the carb still needs more cleaning.  It could be the valves are out of adjustment.  It could be an internal issue such as bent push rods or a combination of things, just to name a few.  Hearing it and seeing it would help.
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Offline Jerry In Maine

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Briggs Vanguard 16 Backfiring
« Reply #1 on: March 27, 2019, 04:02:55 PM »
Carb was filthy when I got the Argo. Overhauled carb and it seemed to run great for a test run. Adjusted needle for best idle...turn clockwise until it stops and then out 1.5 turns and rocked back and forth to get best idle. moving it several turns seemed to have no effect on idle smoothness. Another test run just for the heck of it. Power now very low and backfiring through carb. Further adjustment of needle has doesn't make anything any better.
Motor starts ok and will idle at ~900 rpm, just bogs and pops when I need power. hood is off so I can see governor working and seems to be doing it job.


Any ideas?
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