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My Shindawa is bogging down?

Discussion in 'Mechanic and Repair' started by Bronco, Apr 13, 2005.

  1. Bronco

    Bronco LawnSite Member
    Messages: 6

    How can you correct a bogging down string trimmer. Is it the filter? Something in the line? With the choke off I give it gas and it stops. Any advice? I need to work tomorrow.


    HOOLIE LawnSite Gold Member
    Messages: 3,981

    Take off the muffler, there's a good chance the exhaust port is clogged with carbon. Use a pencil, or something else with a soft point to chip the blockage away. If that is indeed the problem, the power will be restored immediately.

    Where in NOVA are you?
  3. Bronco

    Bronco LawnSite Member
    Messages: 6

    Hey thanks Hoolie. I am going into the garage to give it a try. I am in Western Fairfax County
  4. Turfdude

    Turfdude LawnSite Bronze Member
    Messages: 1,899

    Yup, remove the spark arrestor too. They clog all too quickly w/ carbon. The dealer isn't supposed to remove them, they are mandated by law, but noone leaves them in as they rob engine performance. I yank all the screens out after purchase before they get engraved and entered in log book.
  5. Creative Lawn Care

    Creative Lawn Care LawnSite Senior Member
    from NC
    Messages: 271

    Probably is the clogged muffler, stihl's do that too. If it is a T230 then it may just be weak. Shindaiwa makes good stuff but the 230 is lacking power. I kept mine for 2 weeks and then gave it away. Love those FS85's!!!
  6. Bronco

    Bronco LawnSite Member
    Messages: 6

    Well it wasn't the muffler. where is the spark arrestor?
  7. pjslawncare/landscap

    pjslawncare/landscap LawnSite Bronze Member
    Messages: 1,410

    Spark arrestor is in the muffler. Maybe carb is clogged or out of adjustment or spark plug fouled.
  8. Richard Martin

    Richard Martin LawnSite Fanatic
    Messages: 14,700

    Look at the muffler. You'll see a little, short pipe sticking out with a screen in it. Remove the screen.
  9. Mower Man

    Mower Man LawnSite Member
    Messages: 100

    If the guard is removed and using too much line and/or line that's too thick are some of the biggest ways to hold down engine RPM, which will accelerate cylinder/muffler ports, and spark arrestor blockage.

    That also will wipe out clutch assemblies, and create more shaft vibration.

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