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16.5 briggs i/c v-twin idles up and down

Discussion in 'Mechanic and Repair' started by surgeon83, Sep 18, 2009.

  1. surgeon83

    surgeon83 LawnSite Member
    Posts: 49

    I have a 16.5 HP Briggs & Stratton I/C v-twin engine that revs up and down at lower RPMS. At full throttle it runs smoothly, especially when the blades are engaged and the mower is in motion. Anything less than full throttle gets the erratic revs, but the engine has never completely died even at idle.

    Also it starts fine when cold but won't start back up if its hot (ie if I've been running it for a while).

    I appreciate help, I'm hoping Restrorob will chime in, from searching seems like he's quite a treasure to this site, making lots of people's lives easier. Figured it would be better to post and share his knowledge with everyone rather than pm...

    Thanks :)
     

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