blower prob

Discussion in 'Mechanic and Repair' started by Frontier-Lawn, Aug 21, 2011.

  1. Frontier-Lawn

    Frontier-Lawn LawnSite Silver Member
    Posts: 2,938

    got a kawasaki 750 blower and it dies if i got to 1/2 throtle to wot, its fine at idle?

    what gives i change out to a new plug and stil does it.
     
  2. GrassGuerilla

    GrassGuerilla LawnSite Bronze Member
    Posts: 1,437

    Is this a new blower, or an older one? Sounds like a gunked up carb. If it's new, take it back to the dealer. If it's an old gunked up carb, try some seafoam. Also, check the exhaust port for carbon buildup. If it's got a bunch of carbon, scrape it out. Preferably with something wooden (Popsicle sticks are great).

    I've got a krb750 too, it's been a very good tool.
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  3. Frontier-Lawn

    Frontier-Lawn LawnSite Silver Member
    Posts: 2,938

    3 yrs old, do need a new carb gasket thou would that cuase issues?
     
  4. mowerman90

    mowerman90 LawnSite Bronze Member
    Posts: 1,490

    If the carb gasket is bad it could be sucking air and that would cause major running problems.
     
  5. GrassGuerilla

    GrassGuerilla LawnSite Bronze Member
    Posts: 1,437

    Sounds like the obvious place to start.
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  6. ALC-GregH

    ALC-GregH LawnSite Fanatic
    from PA
    Posts: 7,053

    Well duh. You haven't even fixed the obvious but you wasted money replacing a sparkplug that wasn't bad. This thread reminds me of the threads that get posted stating, "I sharpened the blades on my mower now it doesn't cut right" only to find out they put them on upside down! :hammerhead:

    Replace the carb gasket and the problem will somehow mysteriously disappear.
     
  7. Precislawn

    Precislawn LawnSite Member
    Posts: 26

    A clogged fuel filter will do the same thing. So fix that gasket and replace the in tank fuel filter.
     
  8. ed2hess

    ed2hess LawnSite Fanatic
    Posts: 12,960

    Depends on which one it is....the one closest to engine can be a problem. Use some deep creep and spray around on where you think the gasket is bad and if it changes engine speed you found it. Is this a 4mix or 2 stroke? Check gas filter and screen in exhaust. If those are good start looking for carb adjusting needles.
     
  9. Frontier-Lawn

    Frontier-Lawn LawnSite Silver Member
    Posts: 2,938

    2cyl, fuel filter fine and ext screen was taken out 30sec after i opened the box to put it together @ home
     
  10. Alan0354

    Alan0354 LawnSite Platinum Member
    Posts: 4,458

    Have you take out the muffler to check whether you have carbon build up? 3 years is a long time. Do that first before you even do any of the more invasive stuff.
     

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