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Chainsaw keeps cutting out ?

  • 30-04-2012 3:40pm
    #1
    fatboypee
    Registered Users, Registered Users 2 Posts: 958 ✭✭✭


    Hi

    Just thought I'd ask, I know, really ought to get it serviced but I ain't got no beans.... Anyone any idea why my chainsaw keeps cutting out ?

    Choke out, start, set to normal works for about 20 seconds (max) then stops. Re-Choked, same again.

    Had it to bits and cleaned the inlet filters etc but still happening. Double checked the mixture, all looks ok... I'm not mechanical really but I'm guessing its something blocked but no idea where ?

    Any help appreciated.

    Thanks.


Comments

  • #2
    spencer024
    Registered Users, Registered Users 2 Posts: 21 ✭spencer024


    Is the spark plug damp or fairly old, have know them to break down when revs are high!!

    But also saw wont start with bad plug, only costs about 2.50 for a replacement, def the first port of call.


  • #3
    ymurtagh
    Banned (with Prison Access) Posts: 156 ✭✭ymurtagh


    leave to choke in a bit longer, then out and in for about 5 seconds each for a minute or so, don't try and rev will doin this, if its startin at all then the plug is probably fine,


  • #4
    Gen.Zhukov
    Registered Users, Registered Users 2 Posts: 2,093 ✭✭✭Gen.Zhukov


    If the mixture has been in it for months, change it.


  • #5
    Paddysnapper
    Registered Users, Registered Users 2 Posts: 227 ✭✭Paddysnapper


    1.618 wrote: »
    If the mixture has been it for months, change it.

    Beaten me too it "Fresh fuel"


  • #6
    CJhaughey
    Registered Users, Registered Users 2 Posts: 14,907 ✭✭✭✭CJhaughey


    What did the fuel pump gasket look like when you cleaned the carb?
    They commonly go hard and fail to pump enough fuel for any kind of throttle opening.
    That or the hoses from the fuel tank can crack and allow air in with the same symptoms you describe.
    Check them and the in-tank filter as well.


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  • #7
    fatboypee
    Registered Users, Registered Users 2 Posts: 958 ✭✭✭fatboypee


    Hi All

    Many Thanks for the replies. Really appreciate it.
    Fuel is fresh and mix is correct. Saw starts fine, initially thought it was not enough choke but its fine for about 20 seconds when you think its fully warmed up and go 'a cuttin' it just stops the minute you get any resistance on the blade :mad: It's kinda maddening actually as a restart, even choked, fails. The only thing you can do is leave it a minute or so and it starts again.. Woohoo! then...D'Oh!...

    I gave it a thorough clean and did'nt really see any signs of cracked hoses, didn't look at the gasket but will pull it apart again and give it a good look over now I know what to look for a bit more.


    Thanks again.


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