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  #1  
Old 12-30-2006, 08:00 PM
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Default ETON DXL90 Sierra - starts, runs, then dies


I have a customer's ETON DXL90.
Starts, runs, but as soon as you give it gas it dies.
I can hold my hand over the air breather and it will rev up,
but move my hand and it dies. We did a compression test
and it was 80 PSI, so we replaced the complete top end
with new cylinder, piston and rings. Compression is now
around 125, but it still does the same thing, starts, runs
and dies. Keep your hand over the air intake and it will
keep running. Totally disassembled and cleaned the carb,
checked for intake leaks, checked reed valve, replaced CDI
and coil......same thing. I'm stumped.....HELP.
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  #2  
Old 12-30-2006, 08:07 PM
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Default ETON DXL90 Sierra - starts, runs, then dies

Does it run with the choke on?
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  #3  
Old 12-30-2006, 11:04 PM
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Default ETON DXL90 Sierra - starts, runs, then dies

well it has an automatic electric choke.
It will run if you "manually" choke it by putting your fingers over the air intake.
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  #4  
Old 12-31-2006, 12:39 AM
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Default ETON DXL90 Sierra - starts, runs, then dies

I had the exact same problem with my Ozark once and it turned out to be the plug. I'm guessing though with the extensive work you have done to the machine that you have already changed the plug.
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  #5  
Old 12-31-2006, 02:54 PM
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Default ETON DXL90 Sierra - starts, runs, then dies

If the carb has been eliminated (the elec choke has been a problem at times), I'm thinking crank seals.
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  #6  
Old 12-31-2006, 03:05 PM
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Default ETON DXL90 Sierra - starts, runs, then dies

Another long shot, if there is a breather tube on the carb, make sure it is not blocked. My Moto4 had that problem once. It would start, run for short time and die. Blew compressed air through the carb vent tube, and it was fine afterwards.
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  #7  
Old 12-31-2006, 03:30 PM
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Default ETON DXL90 Sierra - starts, runs, then dies

Quote:
Originally posted by: LT80
If the carb has been eliminated (the elec choke has been a problem at times), I'm thinking crank seals.
I'm thinking crankcase seals myself.
Hell it' the only thing left.
Where can I get a set?

I can start it up....and if I immediately give it some throttle, it will take off and run at high rpms.
I just ran it aound the building a few times and it has great power, but down near idle it just
dies.
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  #8  
Old 01-01-2007, 01:37 PM
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Default ETON DXL90 Sierra - starts, runs, then dies

hi my son has the same quad and i've had that problem, b4 you go crazy with the crank seal idea make sure when you cleaned the carb you took out the pilot jet( the one thats hidden up in the hole) and clean it good also the eton's seam to have a fuel flow problem from the tank change to clear lines to make sure your getting constant fuel flow also it seems like mine would bog down too while trying to run it without the air filter box in place let me know what happens my sons rips ***
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  #9  
Old 01-01-2007, 01:53 PM
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Default ETON DXL90 Sierra - starts, runs, then dies

Quote:
Originally posted by: itch
hi my son has the same quad and i've had that problem, b4 you go crazy with the crank seal idea make sure when you cleaned the carb you took out the pilot jet( the one thats hidden up in the hole) and clean it good
we did pull both jets out and clean. Ran cleaning wires and carb cleaner thru em. I just simply do not see anything wrong with the carb.
It starts, idles for a few minutes then dies.
If you ride it, and give it throttle, it will bog, then take off. If you keep the rpms up it runs good.
It just will not idle. Got to be the crankcase seals.
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  #10  
Old 01-02-2007, 10:16 PM
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Default ETON DXL90 Sierra - starts, runs, then dies

well Eton's tech support says it's probably the electric choke. Guess I'll try that.
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Old 01-02-2007, 10:16 PM
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Tags
2000, 90, atv, choke, crankcase, dies, dxl, dxl90, eton, gas, give, oncw, reed, reeds, runs, seal, sierra, starts, valve



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