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17 HP Briggs on a JD D105

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ButchV12
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2025/08/21 12:23:23 (permalink)
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17 HP Briggs on a JD D105

Bought this used about 4 months ago. Had a constant surge that was better at high speed than idle. Replaced all fuel lines, fuel pickup tube, filter and carb. Still doing the same and haven't really found a good video or instructions on "messing" with the governor or spring. 
 
Anyone out there point me in the right direction?
 
ButchV12
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    SRTsFZ6
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    Re: 17 HP Briggs on a JD D105 2025/08/21 15:24:42 (permalink)
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    Surging is usually a lean condition...
     
    If you hold partially (1/2- 3/4) closed the choke (by hand, at the top of the carb), will the surging stop?
     
    The replacement carb, OEM or aftermarket? 
     
    Can you post the full ENGINE model #?
     
     
    .

    Scott
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    ButchV12
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    Re: 17 HP Briggs on a JD D105 2025/08/21 15:31:55 (permalink)
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    Model number - 31R977 0001 G1 
     
    Ebay carb, same result as before carb swap. Gov spring looks stretched but I wanted to ask first.
     
    ButchV12
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    SRTsFZ6
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    Re: 17 HP Briggs on a JD D105 2025/08/21 16:36:38 (permalink)
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    Tks
     
    https://www.jackssmallengines.com/jacks-parts-lookup/manufacturer/briggs-stratton/briggs-stratton-engine/200000-399999-series/31r900-to-31r999/31r977-0001-g1
     
    Check with the choke first and see if it smoothes out. 
    Likely not the governor.. 
     
    If it doesn't, you can do a re-set on the governor, advise
     
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    Scott
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    ButchV12
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    Re: 17 HP Briggs on a JD D105 2025/08/22 00:29:16 (permalink)
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    Choke not the problem, anywhere less than half throttle sounds like it's going to bang itself into little pieces. Wish I took a video, it's quite interesting.
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    Mikel1
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    Re: 17 HP Briggs on a JD D105 2025/08/22 10:22:47 (permalink)
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    Does the d105 have a fuel pump? I know the d110 does
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    ButchV12
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    Re: 17 HP Briggs on a JD D105 2025/08/22 11:59:12 (permalink)
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    Yes - the standard fuel pump which was replaced and works perfectly
     
    ButchV12
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    SRTsFZ6
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    Re: 17 HP Briggs on a JD D105 2025/08/22 12:05:03 (permalink)
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    ButchV12
    Choke not the problem, anywhere less than half throttle sounds like it's going to bang itself into little pieces. Wish I took a video, it's quite interesting.



     
    Plz post a video, noises (especially the noises) and surging on You Tube, then the link here..
     
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    Scott
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    ButchV12
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    Re: 17 HP Briggs on a JD D105 2025/08/22 12:07:53 (permalink)
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    I will -- it's gonna be 20+ days as I start my tour tomorrow.
    I appreciate the help. stay tuned
     
    ButchV12
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    SRTsFZ6
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    Re: 17 HP Briggs on a JD D105 2025/08/22 12:11:33 (permalink)
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    We be here!  Be safe.
     
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    Scott
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