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Need some ice auger help

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I got this auger from a guy that couldn't get it to run correctly. I know there are a lot of guys around here from up north that might be familiar with this model.

Vac test passed after I fixed a leak at the carb flange.

All I can get it to do is idle. Beyond that it dies when full throttle is applied.

Back ground, new fuel tank and lines and new carb.

I have never been so frustrated with a 2-stroke as this one is now.

It doesn't respond to screw adjustments beyond stalling once low side is turned in. High side seems now different where I set it at.

I ride bottle feeding it and all it does is stall. I set the metering lever up and no change at all. I will set it back down now lower and see how that does.

I'm trying to help this guy out but all it is doing is leaving me frustrated at this point.

I tried a different carb off a saw that ran fine and the engine ran exactly the same way. Won't come off idle.

Does anyone know if the coil could be limiting it some how? Spark looks strong and I removed flywheel and everything there is lined up and normal.

If you give it fuel it just goes wahhhhhhwhile staying at idle.


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Muffler is clean. Doesn't have a screen. No carbon build up. The muffler is wet with fuel as it appears to not be able to burn it. Which leads me to a coil issue?

I'll also add when it is at idle it runs like the timing is way advanced except until you throttle it then it just goes waaaaah and quits

160 psi on compression

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Rains

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Really sounds like the diaphragm, but if you replaced the carb that should of cured the issued. The coil may be losing ground or spark at higher RPM.
 

huskihl

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They're governed, aren't they? My jiffy is, so you don't rev it up too high and stick it in the ice. I'd check that. And make sure the choke is opening
 

Rains

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Loosen the gas cap, solo has a a vented cap on their newer models.
 

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Tank is vented via another hose and I did remove the cap as well. No change. It sure seems to me that the ignition is holding it back at this point. The engine won't go over 2K on my tach and it will bounce around a lot from 2k-1.3K It doesn't hold steady at all like a saw would at idle.

I'll also add it has back fired through the carb a couple of times when trying to rev it up.

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decableguy2000

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I'm going to go with my usual question, have you checked the flywheel key making sure the timing isn't off. I will also vote for impulse passage problem as I just went through this yesterday. Saw would idle but die when you gave it gas. (impulse line was loose)

Jeremy
 

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im with jeremy on this one.also check and see if the coil has slipped.
 

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I'm going to go with my usual question, have you checked the flywheel key making sure the timing isn't off. I will also vote for impulse passage problem as I just went through this yesterday. Saw would idle but die when you gave it gas. (impulse line was loose)

Jeremy

Impulse is direct through carb base. I have actually put a thin coat of three bond on both sides of carb base gasket and no restrictions on the passage.

I removed flywheel and everything there is perfect. Key is straight and flywheel shows no sign of damage and magnetic field is strong. Spark is bright blue.

I tired dripping fuel in carb while throttling it to see if it would respond and it didn't change anything by adding more fuel
 

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An auger won't rev up unless buried in the ice.
Nearly impossible to tune without 6-24" of ice.
Wind vane governor

True on the older tecumseh motors but not on the newer ones.

The newer 2-stroke power heads are unlimited or limited by the coil.

They should still be tune it in the ice just like a saw should be tuned in the wood. Tune them so they just clean up in the cut.
 

Wolf Toes

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Impulse is direct through carb base. I have actually put a thin coat of three bond on both sides of carb base gasket and no restrictions on the passage.

I removed flywheel and everything there is perfect. Key is straight and flywheel shows no sign of damage and magnetic field is strong. Spark is bright blue.

I tired dripping fuel in carb while throttling it to see if it would respond and it didn't change anything by adding more fuel

My money is on the carb. Just sounds like your fuel/air is messed up.
 

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I put a known good carb on it and it ran the same. That would be three carbs total and nothing has changed.


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Wolf Toes

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If your absolutely sure it's not the carb or tank vent then I'd tear it down and check the internals. If everything's ok then put it back together and try a different coil.
 

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I have never worked on an ice auger so this is just a random thought. Have you verified that the throttle mechanism is functioning properly and not binding and the butterfly is opening?
 
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Throttle is 100% ok and working properly. I had it taken down to the point of block to pressure/vac test. Piston is perfect 160 psi. It acts like a governor kicking in making it miss just off idle the way it seems to me.

I took this on for a guy to help him out and now I understand his frustration. The engine for all practical purposes is nothing more than a big weedeater. So I really can't see how anything else beyond the coil would stop it at this point. Only other thing I can figure is if the shut off wires might be shorting out. I will disconnect it directly at the coil and see if that changes anything


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