Question about Troy -Bilt String Trimmer/Blower Attachment #41AJBT-C966

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Troy Bilt in Hell String Trimmer TB465SS Running Problem

Troy Bilt in hell TB465SS String Trimmer problem. When starting, although the manual says the cutting mechanism should not turn, ours does. Adjusted the idle to no avail. Larger issue...upon starting, will not accelerate. The slightest tug of the trigger causes a stall. Tore the carb apart, put new gaskets and washers in, carb cleaner, bla bla bla; tore the exhaust off, cleaned the screen. Still nothing. Checked air filter and it was clean. Used this new trimmer a total of 3 hours. Don't quite understand the genius behind the no string feed method (feels like I got punked). I want to take this thing out back and shoot a hole in it. Can someone save this thing from its fate?

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  • lyons8221 Jun 01, 2009

    Hi Panilling - Correct, it does not have a clutch; however the crazy manual says it should not spin when idling. Also correct but thanks for asking, it is a 4-cycle and the gas and oil go in two different tanks. Adjusted the carb, but no improvement. I really hate this thing, but I know it can work, I just have to look at it the right way.

  • panilling9
    panilling9 May 11, 2010

    according to you model #you gave your 4-cycle trimmer does not have a clutch? thats why your trimmer head spins when you pull the rope? if its a 4 cycle you know that gas and oil go in a seperate area correct? and not a oil mixture like a 2 cycle?

    just clarifiying that you are aware of this.

    sounds like you need a carbruetor adjustment,but it may have plasic caps on the adjustments that you cannot access

    but if they dont you need to locate the L on the carb. and turn it out 1/8th turn and see if that helps your issue.

  • john Oct 09, 2012

    same exact problem on my TB465SS trimmer. it has caused me much trouble and i cant fix it. it has never reved up even when it was brand new so i dont ttink cleaning anything will do it. is there a way to adjust the air intake besides the choke? becasue adjusting the choke is not a permanent fix.

  • Cecil Berleth Oct 19, 2012

    How do you adjust carburator, it runs hit trottle dies - where is adjustment screw located and where can I get the tool to do this



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You need to clean the carb. or you may need to buy a carb. kit. But do a cleaning on it first. If you need tips on how to best do this, just let me know. Also check the fuel lines for cracks. As they age, they become brittle.


Posted on Jun 04, 2009

  • Jim Parker
    Jim Parker Jun 08, 2009

    Did this solution solve the problem?


  • john Oct 09, 2012

    no ********.



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Is the pull rope in the front or rear of engine.Thinking that the string is in the front,you must throttle housing and shaft from engine. remove starter housing. There sould be a screw holding the string and spring in place.

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