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Cox Sure start 0.49 won't Empty
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Cox Sure start 0.49 won't

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Cox Sure start 0.49 won't Empty Cox Sure start 0.49 won't

Post  nomader0 on Mon Sep 12, 2011 2:28 pm

Hi I have a new sure start, I have followed all the advice tryed the tank in different hieghts had the needle in every setting open from 21/2 turns to 4 with 1/4 settings between and all it does after priming is have a short burst then ossolate the prop and stop. It is obviously fuel I am using the right fuel and everything, how the heck do I get it to run. Other glow engines I have started are no problem. Can anywon help.
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Cox Sure start 0.49 won't Empty Re: Cox Sure start 0.49 won't

Post  GermanBeez on Mon Sep 12, 2011 2:33 pm

hm. this is usually a sign that the engines is running much too lean.
Could you please tell me what fuel compostion you are using?
Also, what size is your Battery that you use?
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Cox Sure start 0.49 won't Empty Not getting fuel

Post  Winston on Mon Sep 12, 2011 3:14 pm

It is not getting fuel. Plugged fuel line? Dirty reed? Bad tank gasket?
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Cox Sure start 0.49 won't Empty Re: Cox Sure start 0.49 won't

Post  nitroairplane on Mon Sep 12, 2011 3:18 pm

Winston wrote:It is not getting fuel. Plugged fuel line? Dirty reed? Bad tank gasket?
My guess is a blocked fuel system somewhere along the line.
Provabl some dirt in and around the reed valve.
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Cox Sure start 0.49 won't Empty Re: Cox Sure start 0.49 won't

Post  Admin on Mon Sep 12, 2011 3:57 pm

Yeah, probably not getting fuel.

Here's a manual that should run you through the entire starting procedure.

https://sites.google.com/site/coxenginecollection/instruction-sheets/CoxSureStart.049.pdf?attredirects=0
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Cox Sure start 0.49 won't Empty Re: Cox Sure start 0.49 won't

Post  microflitedude on Mon Sep 12, 2011 8:21 pm

If you haven't already, take the whole thing apart and clean it. There could be dirt or oil clogged somewhere blocking fuel and airflow.
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Cox Sure start 0.49 won't Empty Re: Cox Sure start 0.49 won't

Post  Admin on Mon Sep 12, 2011 10:04 pm

microflitedude wrote:If you haven't already, take the whole thing apart and clean it. There could be dirt or oil clogged somewhere blocking fuel and airflow.

Oh yeah, I found good sized metal shavings in a few of my Sure Starts! Not quite necessary but I did put all the parts from a sure start in a ultrasonic jewelry cleaner once and found a bunch of aluminum "dust" and small shavings!
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Cox Sure start 0.49 won't Empty Re: Cox Sure start 0.49 won't

Post  microflitedude on Tue Sep 13, 2011 7:37 am

Admin wrote:
microflitedude wrote:If you haven't already, take the whole thing apart and clean it. There could be dirt or oil clogged somewhere blocking fuel and airflow.

Oh yeah, I found good sized metal shavings in a few of my Sure Starts! Not quite necessary but I did put all the parts from a sure start in a ultrasonic jewelry cleaner once and found a bunch of aluminum "dust" and small shavings!

Forgot about the shavings! Yeah, definitely look for that. It'll destroy the engine. Another quality *stes feature. Rolling Eyes

Also, give it a a big prime by squirting some fuel into the cylinder. It it doesn't run for 1/2 a sec, there's a problem.
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Cox Sure start 0.49 won't Empty Re: Cox Sure start 0.49 won't

Post  microflitedude on Tue Sep 13, 2011 7:41 am

I forgot he can't reply to this thread....

He needs to become a member. Very Happy
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Cox Sure start 0.49 won't Empty Re: Cox Sure start 0.49 won't

Post  GermanBeez on Tue Sep 13, 2011 7:46 am

yep. i will delete this topic in maybe 4 days or so. if he hasn't taken a look again, tough luck.
just trying to keep the number of "engine won't work"- topics at bay a little. just a housekeeping procedure. Smile
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