SRX95 Engine Surging ?
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Thread: SRX95 Engine Surging ?

  1. Top | #1
    klash2's Avatar
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    SRX95 Engine Surging ?

    Hi guys, my SRX95 has the 12.5 HP Kawasaki and it's started surging and randomly backfiring through exhaust at idle and full throttle. My carburetor skills are absolutely zero so I'm looking for some help, it seems that if you loosen the cover on the air cleaner housing to allow more air in then it smooths right out.

    Any ideas?

    The following is what I've done so far with no improvement:

    -new air filter
    -new fuel filter
    -new spark plug

    Thanks

    T-Klash

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    tackit's Avatar
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    Maybe, perhaps, possibly,there is a chance, with luck, this could help. Also I would (very carefully) snug up the carb's mounting bolts and the float bowl.



    Joined: Aug 22, 2005
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    Re: why does 12.5 hp Kawi on motor 'surge'
    Reply #6 Aug 22, 2005 1:30 pm


    I know the answer to this and it is simple to fix. I have corrected this problem many many times I have the same motor.

    While looking at the carburator I can explain how to do this fix. It requires a straw or The drain tube (thats what I use) that coms off the top of the carb.

    Anyway with the engine off look at the carb ...you will see just above the alluminium bowl the main body of the carb...on the edge facing you you can see a small spot that looks like a Bee Bee to the left of it you can see a small hole facing you. By what ever means blow pressure into this hole. I use the tube and mouth pressure.On the top side of the carb just up from this tiny hole you will see a bigger hole facing up to the sky ...this is exit hole to the tiny one. grass dirt or crap falls into this causing surging, I do not know the reason for this pathway (but the design is very poor do to clogging twice a year or so) but I do not care I discovered the fix and stop my surging every time...some times I have twirl a strait pin down in this holethen blow it out useing the smaller hole...in fact after a few years you can recognize slight surginging ahead of time. This carb is also very very easy to take apart and clean. gently screw in your needle counting the turns to shut...do not do this tight ...screw out and take all apart with fairly standard screw driver. use carb cleaner or brake cleaner and you are goo to go.

    I know this fix sounds dumb...but I am a McGuiver kinda guy and this is the fix.

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    klash2's Avatar
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    Thanks for the info tackit, the ports as mentioned were indeed clogged but that didn't seem to fix the problem. I'm convinced it's not getting enough air because as soon as I even loosen the top on the air cleaner its smooths right out. I may try tweaking the idle air adjust screw on the carburetor and see what that does.

    Thanks

    T-Klash
    John Deere 2520, JoDale Perry Cab, 200CX Loader w/ Ken's Bolt On Hooks, Artillian Glare Shrouds, Frontier RB1072 Rear Blade, iMatch, 54 Snow Blower, 52 Rotary Broom, 55 Rototiller, 17P Poly Cart
    John Deere Z375R
    John Deere SRX95



    T-Klash

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    tackit's Avatar
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    Sounds like your on the right trail T-Klash ..

    When you figure it out please come back and tell us what the problem was.

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