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HomeAircraftHelicopterEngines Plugs Mufflers Fuel › Need help Engine was lean out
01-23-2010 12:12 AM  8 years agoPost 1
Tommy8275

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Mount Juliet, TN

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Need help with YS SR91. I just helping a friend to get the 700 flown this morning, but I couldnt get the engine up and run. The motor was start and ilde when I bring the heli off the ground for couple second the engine starting to lean and die down quit. I did check the check valve was good all the line were also good. GP pipe wild cat 30% this engine was ran good for the last couple months but never ran since than. Setting High 1 1/4 turn Mid 2 turn try to get rich first. Also tried to lean them still not working. I had this problem before with my new YS engine and send back to YS was replace the regulator( Bad regulator)

Tommy K

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01-23-2010 01:16 AM  8 years agoPost 2
Blink 182

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California

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Hover it for 20 second, then land to see if there is any pressure in the tank. If no pressure is present then you have a leak in your fuel tank. This happened to me also. You can try to seal it off with glue. Also make sure your check valve is 10cm long.

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01-23-2010 01:38 AM  8 years agoPost 3
Pulento

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CHILE

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If you think the regulator is bad open it and check the diafragm.

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01-23-2010 03:34 AM  8 years agoPost 4
Tommy8275

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Mount Juliet, TN

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I can even came up of the ground I tried to stay floating about an inche of from the ground and the motor start to lean up and die slowly

Tommy K

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01-23-2010 02:07 PM  8 years agoPost 5
airdodger

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Johnston USA

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Sounds like you probably have a pressure leak in the fuel system.

Chris

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01-23-2010 05:03 PM  8 years agoPost 6
Tommy8275

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Mount Juliet, TN

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I will test once again today. Im heading out to the field in a minute will update later

Tommy K

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