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Mower doesn’t start when hot

Discussion in 'General' started by Rich, Mar 12, 2023.

  1. Rich

    Rich Well-Known Member

    My 5ish year old Toro push mower won’t start hot. Runs fine, but if I have to add fuel or open the gate it won’t restart.

    Google says to replace the coil and carb.


    What says the all knowing Beeb? Buy a new one with a lot of buttons?
     
  2. Rich

    Rich Well-Known Member

    Just realized I said Toro. It’s a Troy Bilt
     
  3. pickled egg

    pickled egg Tell me more

    Only mow in the winter.
     
    DJ Baker, ToofPic and fastfreddie like this.
  4. YamahaRick

    YamahaRick Yamaha Two Stroke Czar

    Ask Troy.
     
  5. tony 340

    tony 340 Well-Known Member

    Seems pretty simple

    Zip tie the kill handle like any other hillbilly and don't mow unless you start with a full tank
     
  6. ducnut

    ducnut Well-Known Member

    Sounds like vapor lock. If you let it cool down a bit more, say 1/2hr, and it starts, you know that’s what it is.
     
  7. In Your Corner

    In Your Corner Dungeonesque Crab AI Version

    Your mower has a built-in beer break, use it!
     
    Nick_OMC, tiggen, wsmc42 and 5 others like this.
  8. fastfreddie

    fastfreddie Midnight Oil Garage

    Check the valves. If it had otherwise been running without issue, I can almost guarantee you have a loose adjuster. Screw and locknut...easy peasy.
     
  9. Rich

    Rich Well-Known Member

    Haven’t used it since last season, but it does restart after cooling for probably 30 to 45 minutes. How do you remedy, go to a vented cap?
     
  10. brex

    brex Well-Known Member

    Retrofit an electric motor and batteries.
     
  11. acorn27

    acorn27 4 out of 3 people in the world struggle with math

    5 years seems pretty new-ish yet, but I've had coils that went bad and didn't work when hot. That's a quick thing to try.
     
    OldSwartout and dave3593 like this.
  12. ToofPic

    ToofPic Well-Known Member

    Starter fluid around air box? or throw a temper tantrum like my ol 70 yo friend in Anderson SC does,and burn it to the ground in the yard.Love that guy!
     
  13. cortezmachine

    cortezmachine Banned

    @Gorilla George
     
  14. tony 340

    tony 340 Well-Known Member

    Is the air filter clean ?

    Run some fuel system cleaner and make sure you're running non ethanol gasoline, not the shit from the corner gas station

    Also, valve lash adjustment isn't hard to do at all, but if it starts cold that's likely not the issue.
     
  15. Rich

    Rich Well-Known Member

    Was dirty as hell, figured that was the cause, but no difference post replacement.
     
  16. Rich

    Rich Well-Known Member

    I actually tried starter fluid when it was hot, still did not start
     
  17. tony 340

    tony 340 Well-Known Member

    Did you try to loosen the gas cap in case it isn't venting

    Edit: you have something killing your spark

    Try disconnecting low oil shutdown wire ?
     
  18. lopitt85

    lopitt85 Well-Known Member

    What's it doing when it won't start. Is it turning over strong and won't fire? Is it lugging/turning over slow?

    Is it actually trying to fire/start or is the starter just making it turn
     
    Last edited: Mar 12, 2023
  19. joec

    joec brace yourself

    coil
     
    dave3593 likes this.
  20. R1Racer99

    R1Racer99 Well-Known Member

    Trade it in for a Timemaster.
     
    03RumbleBee likes this.

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