Question about Husqvarna , No.455 Rancher, 20" Gas - Powered Chainsaw

1 Answer

Runs first 30+ sec then bogs out/dies when throttle pressed

I've only used it about 45 minutes so it's not broken in. when I started it at first it would not run / start with choke on(fired and died) but it starts without chk fine. when started w/o chk it revs and spins the chain for about 15 seconds then the chain stops and it idles after that I can cut with it for about 5 seconds then it boggs out --- please somebody tell me if I can adjust it and how so
please and thanks mucherbuncherly

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If still under warranty have it serviced (authorized dealer not Joe's lawn mower). There should not be a fee (paid by Husqvarna). There have been carburetor problems. If you adjust it your warranty will likely be void; Joe's small engine service just as likely to void any warranty. Are you using a fresh 40:1 fuel oil mix. The will not start with choke set is normal. Start procedure in your OM says listen for sputter and disengage choke. Almost all new saws have similar start procedure.
Start Procedure
Cold:

  1. Ignition on/off to on.
  2. Set compression release – optional step even if saw is equipped with a compression release.
  3. Pull (close) choke, set fast idle (done when choke closed on some saws); pull starter and listen for an attempt to start. once heard (usually two pulls; no more than 4).
  4. Set compression release – optional step even if saw is equipped with a compression release.
  5. Push (open) choke pull starter until it starts. (usually first pull).
Warm:
  1. Ignition on/off to on.
  2. Set compression release – optional step even if saw is equipped with a compression release.
  3. Pull (close) choke, set fast idle (done when choke closed on some saws) – Do not pull with choke closed.
  4. Push (open) choke, pull starter until it starts. (usually first pull).
If you have more questions or need additional help please reply below and I will get back to you. HTH & Good Luck.
Lou
Thank You for using FixYa.

Posted on Jul 30, 2010

  • dontbother10
    dontbother10 Jul 30, 2010

    My bad Husqvarna 50:1 fuel/oil mix.

    Oil Mix Ratio:

    The following ratios have been recommended for the last 10-15 years.

    Dolmar, Echo, Efco, Homelite, Husqvarna, Jonsered, Makita, Oleo-Mac, Red Max, Ryobi, Shindaiwa, Solo, Spear & Jackson, Stihl & Tanaka; all recommend 50:1.

    1 gallon of premium fuel to 2.6 ounces of quality 2-cycle oil.

    4 liters of premium fuel to 80 milliliters of quality 2-cycle oil.

    McCulloch, Poulan & Wen; recommend 40:1.

    1 gallon of premium fuel to 3.2 ounces of quality 2-cycle oil.

    4 liters of premium fuel to 100 milliliters of quality 2-cycle oil.

    Chinese chainsaws recommend 25:1.

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