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Discussion in 'Mechanic and Repair' started by nitrotim, May 25, 2005.

  1. nitrotim

    nitrotim LawnSite Senior Member
    from nj
    Posts: 525

    I recently bought a 3 year old 8 hp snapper off one of my customers who only used it one season before his knees went out and I started cutting for him. The mower is like new. I bought cheap (400) to resell. I got it home and drained the stale gas out of it. emptied the bowl and blew out the carb. I put fresh gas in it and got it to fire up and run. Today I tried to run it and after about five minutes it cut out on me and would not refire. If I put the choke on it start and run for about 4 seconds and then die. is this just still some remnantts of the stale gas causing this or something else.
  2. Restrorob

    Restrorob LawnSite Fanatic
    Posts: 11,023

    If you only blew the carb. out with air it probly didn't get it clean,I would suggest going back through the carb. and spray all the little ports out with carb. choke cleaner then reblow it out and try again. Replace the fuel filter and spark plug.
  3. topsites

    topsites LawnSite Fanatic
    Posts: 21,653

    Also it may be helpful to:
    1 - Shut off fuel.
    2 - Loosen (do NOT remove) the fuel-bowl nut/bolt and let whatever fuel drain out, then re-tighten.
    3 - Turn fuel back on.
  4. dutch1

    dutch1 LawnSite Silver Member
    from Jayhawk
    Posts: 2,231

    If you choke it and it starts and runs a short time, you still have a carb blockage. Soak carb in a good carb cleaner for a short time then check all ports/jets.
  5. Redneckn

    Redneckn LawnSite Senior Member
    Posts: 294

    or you could just replace the carb and be done with it.
    depending on price.

    sometimes it really is cheaper to clean it. but on some of the smaller ones its cheaper to replace it.
  6. txlawnking

    txlawnking LawnSite Bronze Member
    Posts: 1,905

    Remove the carb, COMPLETELY disassemble it ( pay attention to what comes out, and how it came out ) soak the major components in Chem-Dip for at least an hr or two, and reassemble with a fresh kit, instal a fresh plug, and you ought to be all good.

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