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Husqvarna 340/351/346 new little snarly wanna be

Discussion in 'Chainsaws' started by Adamski, Nov 10, 2017.

  1. Adamski

    Adamski Plebus Splederns

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    Still no luck, set them both at 3/4, 7/8th's, 1 and 1.

    Still no luck. Managed to get it to run but there is a big old bog before it picks up and no matter how lean or rich I make it on the Low AND High jets it is still there...

    Got another carb off a 346ne that I might try, will just need to block the primer bulb barb.
     
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  2. Simondo

    Simondo Pinnacle OPE Member

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    What carb have you got on the saw ?
     
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  3. Adamski

    Adamski Plebus Splederns

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    HDA 154..
     
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  4. Simondo

    Simondo Pinnacle OPE Member

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    Has it got a plugged hole in the carb body end that mates to the intake ...the throttle shaft end of the carb ?
     
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  5. Adamski

    Adamski Plebus Splederns

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    Hmm I’ll check? Are you on about the impulse hole?
     
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  6. Simondo

    Simondo Pinnacle OPE Member

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    No not the impulse....but its not a bad idea to be sure of the connection and condition of the short curved pice of tube. I have had odd issues with some HDA carbs with accelerator pumps ....just not sure if the 154 (pos A or B) has one. Just a check point for elimination.
     
  7. Adamski

    Adamski Plebus Splederns

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    Oo I was not aware that this series of saws had an accelerator pump. I’ll check. Only knew of the 200t’s. Thanks
     
    Last edited: Dec 14, 2017
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  8. Adamski

    Adamski Plebus Splederns

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    seems the 154 does have an accel pump by the looks of it..

    upload_2017-12-14_12-19-25.png
     
  9. XP_Slinger

    XP_Slinger I like saws...sometimes

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    I think these gents have hit a bullseye with the diagnosis. My brother had a 346 that he rebuilt for some one and was having the exact same issues. Had to replace the carb because he couldn’t buy the parts to fix the accel pump. Am I remembering this correct @RIDE-RED 350r ?
     
  10. Tor R

    Tor R Regular member

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    forget them Walbro drawings, they are in general wrong for all those carbs who did not have the acc pump.
    There is a brass plug as Simon said, easy to spot on the trottle side when you has the carb in your hand.

    Far as I know, it was the 159 carb who had the acc pump
     
  11. Simondo

    Simondo Pinnacle OPE Member

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    I have a HDA 182a from a OE 346xp that has one in it Tor...one to add to the list of posable known offenders .
     
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  12. Simondo

    Simondo Pinnacle OPE Member

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    I may be wrong ..but worth a look to eliminate.
     
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  13. Tor R

    Tor R Regular member

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    159, 182 should have the acc pump (100% sure on them 182's), not sure if the 196 and 197 had the acc pump, the last two was rare, only seen them on service bulletins.
    154 and 195 did not have the acc pump, at least none of mine have had them.

    Personally I prefer them carbs with acc pump, as long as they work.
     
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  14. sunfish

    sunfish Pinnacle OPE Member

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    As soon as I have any problems tuning a 346 carb, it goes in the trash can.
    Then I install a 359/357 carb, Walbro 191, 198 or 199. End of problems and
    stronger saw.
     
  15. Backtroller

    Backtroller Pinnacle OPE Member

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    I may be in the minority here, but I really like the Zama EL42 that @t4driller installed on the 346xp he ported for me. It has nice manners and performs really well too.
     
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  16. RIDE-RED 350r

    RIDE-RED 350r ONE OF THE GREATEST!

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    That's correct... It was the OE 346 I overhauled at work. It ran but just wouldn't tune in right. Swapped in the current Zama replacement and it runs 100% to this day. Tor, Simondo and I had some extensive discussion about those carbs and the accel pump issue... Might be that thread I did on the 346 overhaul.
     
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  17. Lightning Performance

    Lightning Performance Pinnacle OPE Member

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    and...
     
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  18. Mattyo

    Mattyo Youtube speciawist

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  19. RIDE-RED 350r

    RIDE-RED 350r ONE OF THE GREATEST!

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    This thread is making me want to rescue one of the 340 or 345 from my local Husky dealer's junk pile for no reason other than "because"..
     
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  20. blsnelling

    blsnelling Friend of the Riff Raff

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    I was indecisive if it made any real difference. It seemed to run equally well with my traditionally ported 346 cylinder.
     
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